Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms

The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of s...
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Autor*in:	Qihui Xu [verfasserIn] Hong Zhang [verfasserIn] Haoran Leng [verfasserIn] Hong You [verfasserIn] Yuhong Jia [verfasserIn] Shutao Wang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species

Übergeordnetes Werk:	In: Ultrasonics Sonochemistry - Elsevier, 2021, 78(2021), Seite 105750-
Übergeordnetes Werk:	volume:78 ; year:2021 ; pages:105750-

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.ultsonch.2021.105750

Katalog-ID:	DOAJ053102851

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allfields	10.1016/j.ultsonch.2021.105750 doi (DE-627)DOAJ053102851 (DE-599)DOAJ3546265079ec47c0adcb748ea7617b9a DE-627 ger DE-627 rakwb eng QD1-999 QC221-246 Qihui Xu verfasserin aut Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism. Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species Chemistry Acoustics. Sound Hong Zhang verfasserin aut Haoran Leng verfasserin aut Hong You verfasserin aut Yuhong Jia verfasserin aut Shutao Wang verfasserin aut In Ultrasonics Sonochemistry Elsevier, 2021 78(2021), Seite 105750- (DE-627)306713748 (DE-600)1501094-6 18732828 nnns volume:78 year:2021 pages:105750- https://doi.org/10.1016/j.ultsonch.2021.105750 kostenfrei https://doaj.org/article/3546265079ec47c0adcb748ea7617b9a kostenfrei http://www.sciencedirect.com/science/article/pii/S1350417721002923 kostenfrei https://doaj.org/toc/1350-4177 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 78 2021 105750-
spelling	10.1016/j.ultsonch.2021.105750 doi (DE-627)DOAJ053102851 (DE-599)DOAJ3546265079ec47c0adcb748ea7617b9a DE-627 ger DE-627 rakwb eng QD1-999 QC221-246 Qihui Xu verfasserin aut Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism. Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species Chemistry Acoustics. Sound Hong Zhang verfasserin aut Haoran Leng verfasserin aut Hong You verfasserin aut Yuhong Jia verfasserin aut Shutao Wang verfasserin aut In Ultrasonics Sonochemistry Elsevier, 2021 78(2021), Seite 105750- (DE-627)306713748 (DE-600)1501094-6 18732828 nnns volume:78 year:2021 pages:105750- https://doi.org/10.1016/j.ultsonch.2021.105750 kostenfrei https://doaj.org/article/3546265079ec47c0adcb748ea7617b9a kostenfrei http://www.sciencedirect.com/science/article/pii/S1350417721002923 kostenfrei https://doaj.org/toc/1350-4177 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 78 2021 105750-
allfields_unstemmed	10.1016/j.ultsonch.2021.105750 doi (DE-627)DOAJ053102851 (DE-599)DOAJ3546265079ec47c0adcb748ea7617b9a DE-627 ger DE-627 rakwb eng QD1-999 QC221-246 Qihui Xu verfasserin aut Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism. Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species Chemistry Acoustics. Sound Hong Zhang verfasserin aut Haoran Leng verfasserin aut Hong You verfasserin aut Yuhong Jia verfasserin aut Shutao Wang verfasserin aut In Ultrasonics Sonochemistry Elsevier, 2021 78(2021), Seite 105750- (DE-627)306713748 (DE-600)1501094-6 18732828 nnns volume:78 year:2021 pages:105750- https://doi.org/10.1016/j.ultsonch.2021.105750 kostenfrei https://doaj.org/article/3546265079ec47c0adcb748ea7617b9a kostenfrei http://www.sciencedirect.com/science/article/pii/S1350417721002923 kostenfrei https://doaj.org/toc/1350-4177 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 78 2021 105750-
allfieldsGer	10.1016/j.ultsonch.2021.105750 doi (DE-627)DOAJ053102851 (DE-599)DOAJ3546265079ec47c0adcb748ea7617b9a DE-627 ger DE-627 rakwb eng QD1-999 QC221-246 Qihui Xu verfasserin aut Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism. Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species Chemistry Acoustics. Sound Hong Zhang verfasserin aut Haoran Leng verfasserin aut Hong You verfasserin aut Yuhong Jia verfasserin aut Shutao Wang verfasserin aut In Ultrasonics Sonochemistry Elsevier, 2021 78(2021), Seite 105750- (DE-627)306713748 (DE-600)1501094-6 18732828 nnns volume:78 year:2021 pages:105750- https://doi.org/10.1016/j.ultsonch.2021.105750 kostenfrei https://doaj.org/article/3546265079ec47c0adcb748ea7617b9a kostenfrei http://www.sciencedirect.com/science/article/pii/S1350417721002923 kostenfrei https://doaj.org/toc/1350-4177 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 78 2021 105750-
allfieldsSound	10.1016/j.ultsonch.2021.105750 doi (DE-627)DOAJ053102851 (DE-599)DOAJ3546265079ec47c0adcb748ea7617b9a DE-627 ger DE-627 rakwb eng QD1-999 QC221-246 Qihui Xu verfasserin aut Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism. Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species Chemistry Acoustics. Sound Hong Zhang verfasserin aut Haoran Leng verfasserin aut Hong You verfasserin aut Yuhong Jia verfasserin aut Shutao Wang verfasserin aut In Ultrasonics Sonochemistry Elsevier, 2021 78(2021), Seite 105750- (DE-627)306713748 (DE-600)1501094-6 18732828 nnns volume:78 year:2021 pages:105750- https://doi.org/10.1016/j.ultsonch.2021.105750 kostenfrei https://doaj.org/article/3546265079ec47c0adcb748ea7617b9a kostenfrei http://www.sciencedirect.com/science/article/pii/S1350417721002923 kostenfrei https://doaj.org/toc/1350-4177 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 78 2021 105750-
language	English
source	In Ultrasonics Sonochemistry 78(2021), Seite 105750- volume:78 year:2021 pages:105750-
sourceStr	In Ultrasonics Sonochemistry 78(2021), Seite 105750- volume:78 year:2021 pages:105750-
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species Chemistry Acoustics. Sound
isfreeaccess_bool	true
container_title	Ultrasonics Sonochemistry
authorswithroles_txt_mv	Qihui Xu @@aut@@ Hong Zhang @@aut@@ Haoran Leng @@aut@@ Hong You @@aut@@ Yuhong Jia @@aut@@ Shutao Wang @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	306713748
id	DOAJ053102851
language_de	englisch
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callnumber-first	Q - Science
author	Qihui Xu
spellingShingle	Qihui Xu misc QD1-999 misc QC221-246 misc Persulfate/chlorite composite oxidants misc Ultrasonic role misc Polishing zero-valent iron foam misc Determining active species misc Chemistry misc Acoustics. Sound Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms
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topic_title	QD1-999 QC221-246 Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms Persulfate/chlorite composite oxidants Ultrasonic role Polishing zero-valent iron foam Determining active species
topic	misc QD1-999 misc QC221-246 misc Persulfate/chlorite composite oxidants misc Ultrasonic role misc Polishing zero-valent iron foam misc Determining active species misc Chemistry misc Acoustics. Sound
topic_unstemmed	misc QD1-999 misc QC221-246 misc Persulfate/chlorite composite oxidants misc Ultrasonic role misc Polishing zero-valent iron foam misc Determining active species misc Chemistry misc Acoustics. Sound
topic_browse	misc QD1-999 misc QC221-246 misc Persulfate/chlorite composite oxidants misc Ultrasonic role misc Polishing zero-valent iron foam misc Determining active species misc Chemistry misc Acoustics. Sound
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title	Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms
ctrlnum	(DE-627)DOAJ053102851 (DE-599)DOAJ3546265079ec47c0adcb748ea7617b9a
title_full	Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms
author_sort	Qihui Xu
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author_browse	Qihui Xu Hong Zhang Haoran Leng Hong You Yuhong Jia Shutao Wang
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author-letter	Qihui Xu
doi_str_mv	10.1016/j.ultsonch.2021.105750
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title_sort	ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: sonochemical applications and induced mechanisms
callnumber	QD1-999
title_auth	Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms
abstract	The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism.
abstractGer	The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism.
abstract_unstemmed	The novel system, consisting of composite oxidants (persulfate/chlorite, S2O82−/ClO2−) and stationary phase activator (zero-valent-iron foam, Fe0f) driven by ultrasonic (US) field, was applied to treat the triphenylmethane derivative effectively even at low temperature (≈ 289 K). By comparisons of sub-systems, the US roles to S2O82−, ClO2−, and Fe0f were seriatim analyzed. US made the reaction order of multi-component system tend to within 1 (leading to de-order reaction), and widened pH activating range of the Fe0f by sonicate-polishing during the process of ClO2− co-activating S2O82−. US and Fe0f were affected by fluid eddy on activating S2O82−/ClO2−. The Fe0f had slight effect on the temperature of US bubble-water interface but the addition of ClO2− lowered it. The partitioning capacity of the above US reactive zone increased during the reaction. US and ClO2− could enrich the kinds of degradation intermediates. The contributions of free radicals (ClOx-based radicals, sulfate radicals (SO4·−), and hydroxyl radicals (·OH)) and non-free radicals (ClO2, and O = FeIV/V from ionic Fe under “-O-O-” of S2O82− and cyclic adjustment reaction of ClO2−) processes by sonochemical induction were equally important by corresponding detection means. Especially, real-time and online high-resolution mass spectrum by self-developing further confirmed the chain transfers of different free radicals due to US role. The findings expanded the application of sono-persulfate-based systems and improved understanding on activation mechanism.
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title_short	Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms
url	https://doi.org/10.1016/j.ultsonch.2021.105750 https://doaj.org/article/3546265079ec47c0adcb748ea7617b9a http://www.sciencedirect.com/science/article/pii/S1350417721002923 https://doaj.org/toc/1350-4177
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Ultrasonic role to activate persulfate/chlorite with foamed zero-valent-iron: Sonochemical applications and induced mechanisms

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