Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms

Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Meng, Linlin [verfasserIn] Xu, Weiying [verfasserIn] Sang, Guoqing [verfasserIn] Peng, Yiyuan [verfasserIn] Xu, Hui [verfasserIn] Wei, Dong [verfasserIn] Zhao, Yanxia [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement

Übergeordnetes Werk:	Enthalten in: Separation and purification technology - Amsterdam [u.a.] : Elsevier Science, 1997, 320
Übergeordnetes Werk:	volume:320

DOI / URN:	10.1016/j.seppur.2023.124152

Katalog-ID:	ELV010288384

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245	1	0	\|a Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
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520			\|a Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals.
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650		4	\|a Peroxymonosulfate
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700	1		\|a Xu, Weiying \|e verfasserin \|4 aut
700	1		\|a Sang, Guoqing \|e verfasserin \|4 aut
700	1		\|a Peng, Yiyuan \|e verfasserin \|4 aut
700	1		\|a Xu, Hui \|e verfasserin \|4 aut
700	1		\|a Wei, Dong \|e verfasserin \|4 aut
700	1		\|a Zhao, Yanxia \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Separation and purification technology \|d Amsterdam [u.a.] : Elsevier Science, 1997 \|g 320 \|h Online-Ressource \|w (DE-627)320620123 \|w (DE-600)2022535-0 \|w (DE-576)259485349 \|7 nnns
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912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_370
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912			\|a GBV_ILN_702
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author_variant	l m lm w x wx g s gs y p yp h x hx d w dw y z yz
matchkey_str	menglinlinxuweiyingsangguoqingpengyiyuan:2023----:uulnacmnomtloglnadeoyoouftfrirfoairmvna
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bklnumber	58.11 58.13
publishDate	2023
allfields	10.1016/j.seppur.2023.124152 doi (DE-627)ELV010288384 (ELSEVIER)S1383-5866(23)01060-2 DE-627 ger DE-627 rda eng 540 VZ 58.11 bkl 58.13 bkl Meng, Linlin verfasserin aut Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals. Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement Xu, Weiying verfasserin aut Sang, Guoqing verfasserin aut Peng, Yiyuan verfasserin aut Xu, Hui verfasserin aut Wei, Dong verfasserin aut Zhao, Yanxia verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 320 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:320 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.11 Mechanische Verfahrenstechnik VZ 58.13 Thermische Verfahrenstechnik VZ AR 320
spelling	10.1016/j.seppur.2023.124152 doi (DE-627)ELV010288384 (ELSEVIER)S1383-5866(23)01060-2 DE-627 ger DE-627 rda eng 540 VZ 58.11 bkl 58.13 bkl Meng, Linlin verfasserin aut Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals. Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement Xu, Weiying verfasserin aut Sang, Guoqing verfasserin aut Peng, Yiyuan verfasserin aut Xu, Hui verfasserin aut Wei, Dong verfasserin aut Zhao, Yanxia verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 320 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:320 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.11 Mechanische Verfahrenstechnik VZ 58.13 Thermische Verfahrenstechnik VZ AR 320
allfields_unstemmed	10.1016/j.seppur.2023.124152 doi (DE-627)ELV010288384 (ELSEVIER)S1383-5866(23)01060-2 DE-627 ger DE-627 rda eng 540 VZ 58.11 bkl 58.13 bkl Meng, Linlin verfasserin aut Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals. Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement Xu, Weiying verfasserin aut Sang, Guoqing verfasserin aut Peng, Yiyuan verfasserin aut Xu, Hui verfasserin aut Wei, Dong verfasserin aut Zhao, Yanxia verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 320 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:320 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.11 Mechanische Verfahrenstechnik VZ 58.13 Thermische Verfahrenstechnik VZ AR 320
allfieldsGer	10.1016/j.seppur.2023.124152 doi (DE-627)ELV010288384 (ELSEVIER)S1383-5866(23)01060-2 DE-627 ger DE-627 rda eng 540 VZ 58.11 bkl 58.13 bkl Meng, Linlin verfasserin aut Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals. Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement Xu, Weiying verfasserin aut Sang, Guoqing verfasserin aut Peng, Yiyuan verfasserin aut Xu, Hui verfasserin aut Wei, Dong verfasserin aut Zhao, Yanxia verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 320 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:320 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.11 Mechanische Verfahrenstechnik VZ 58.13 Thermische Verfahrenstechnik VZ AR 320
allfieldsSound	10.1016/j.seppur.2023.124152 doi (DE-627)ELV010288384 (ELSEVIER)S1383-5866(23)01060-2 DE-627 ger DE-627 rda eng 540 VZ 58.11 bkl 58.13 bkl Meng, Linlin verfasserin aut Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals. Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement Xu, Weiying verfasserin aut Sang, Guoqing verfasserin aut Peng, Yiyuan verfasserin aut Xu, Hui verfasserin aut Wei, Dong verfasserin aut Zhao, Yanxia verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 320 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:320 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.11 Mechanische Verfahrenstechnik VZ 58.13 Thermische Verfahrenstechnik VZ AR 320
language	English
source	Enthalten in Separation and purification technology 320 volume:320
sourceStr	Enthalten in Separation and purification technology 320 volume:320
format_phy_str_mv	Article
bklname	Mechanische Verfahrenstechnik Thermische Verfahrenstechnik
institution	findex.gbv.de
topic_facet	Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement
dewey-raw	540
isfreeaccess_bool	false
container_title	Separation and purification technology
authorswithroles_txt_mv	Meng, Linlin @@aut@@ Xu, Weiying @@aut@@ Sang, Guoqing @@aut@@ Peng, Yiyuan @@aut@@ Xu, Hui @@aut@@ Wei, Dong @@aut@@ Zhao, Yanxia @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	320620123
dewey-sort	3540
id	ELV010288384
language_de	englisch
fullrecord	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV010288384</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230927135907.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230610s2023 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.seppur.2023.124152</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV010288384</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S1383-5866(23)01060-2</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">540</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">58.11</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">58.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Meng, Linlin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. 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author	Meng, Linlin
spellingShingle	Meng, Linlin ddc 540 bkl 58.11 bkl 58.13 misc Metal-based coagulant misc Peroxymonosulfate misc Coagulation/oxidation misc Ciprofloxacin misc Mutual enhancement Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
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topic_title	540 VZ 58.11 bkl 58.13 bkl Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms Metal-based coagulant Peroxymonosulfate Coagulation/oxidation Ciprofloxacin Mutual enhancement
topic	ddc 540 bkl 58.11 bkl 58.13 misc Metal-based coagulant misc Peroxymonosulfate misc Coagulation/oxidation misc Ciprofloxacin misc Mutual enhancement
topic_unstemmed	ddc 540 bkl 58.11 bkl 58.13 misc Metal-based coagulant misc Peroxymonosulfate misc Coagulation/oxidation misc Ciprofloxacin misc Mutual enhancement
topic_browse	ddc 540 bkl 58.11 bkl 58.13 misc Metal-based coagulant misc Peroxymonosulfate misc Coagulation/oxidation misc Ciprofloxacin misc Mutual enhancement
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title	Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
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title_full	Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
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journal	Separation and purification technology
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author_browse	Meng, Linlin Xu, Weiying Sang, Guoqing Peng, Yiyuan Xu, Hui Wei, Dong Zhao, Yanxia
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doi_str_mv	10.1016/j.seppur.2023.124152
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title_sort	mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
title_auth	Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
abstract	Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals.
abstractGer	Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals.
abstract_unstemmed	Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. Therefore, coagulation played a major role in coagulant/PMS process, which could provide a promising technology for CIP removals.
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title_short	Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms
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author2	Xu, Weiying Sang, Guoqing Peng, Yiyuan Xu, Hui Wei, Dong Zhao, Yanxia
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doi_str	10.1016/j.seppur.2023.124152
up_date	2024-07-06T17:28:22.694Z
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV010288384</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230927135907.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230610s2023 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.seppur.2023.124152</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV010288384</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S1383-5866(23)01060-2</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">540</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">58.11</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">58.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Meng, Linlin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Metal coagulants, which are widely employed in water and wastewater treatments, have been recently found to have catalyzation effect on oxidation, while chemical oxidation, in turn, could possibly impose impacts on coagulation process. In this study, a hybrid coagulation/oxidation process was developed using four metal-based coagulants, i.e., aluminum sulfate (Al2(SO4)3), ferric chloride (FeCl3), titanic sulfate (Ti(SO4)2), zirconium oxychloride (ZrOCl2) and peroxymonosulfate (PMS) as the oxidant, for removing ciprofloxacin (CIP), which is a representative emerging organic contaminant (EOC) with small molecular weight (MW). The results showed PMS (0.2 mM) improved the CIP removals by Al2(SO4)3 and FeCl3 from 13% and 21% respectively to around 92% at the coagulant dose of 0.02 mM, and for Ti(SO4)2 and ZrOCl2, the CIP removal was increased from about 21% to 70∼75%, which was also more efficient than separate PMS oxidation (around 42%). The results of zeta potential, dynamic floc growth and residual coagulants demonstrated PMS led to the destabilization of coagulation suspensions, where lag time for floc formation was largely shortened and also, residual metal coagulants in terms of dissolved and colloids/particles were decreased. PMS alleviated the negative effect of crystallization on colloids and clots aggregation via reducing the quantity and crystallinity of nanocrystal according to the high-resolution transmission electron microscopy (HR-TEM) analysis, which facilitated the flocculation. The results of radicals scavenging experiments verified metal coagulants could activate PMS in turn, where •OH played a dominant role in CIP degradation. While, the four kinds of coagulants behaved significantly different when combined with PMS. Due to the different hydrolysis and polymerization properties, coupling PMS with aluminum/iron salt were more efficient than with titanium/zirconium. Nevertheless, the synthetic effect was suppressed as the coagulant dose increased to 0.1 mM and above, where restabilization occurred. 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Mutual enhancement of metal coagulant and peroxymonosulfate for ciprofloxacin removing and the multiple-mode mechanisms

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