Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface

Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this...
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Autor*in:	Su, Chao [verfasserIn] Pei, Bin [verfasserIn] Ibrahim, Ayman M. [verfasserIn] Jia, Xiaodong [verfasserIn] Cai, Jinpeng [verfasserIn] Shen, Peilun [verfasserIn] Liu, Dianwen [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate

Übergeordnetes Werk:	Enthalten in: Journal of molecular liquids - New York, NY [u.a.] : Elsevier, 1983, 378
Übergeordnetes Werk:	volume:378

DOI / URN:	10.1016/j.molliq.2023.121564

Katalog-ID:	ELV010488847

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520			\|a Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals.
650		4	\|a Chalcopyrite
650		4	\|a Lead ions
650		4	\|a Accidental adsorption
650		4	\|a Calcium lignosulphonate
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700	1		\|a Cai, Jinpeng \|e verfasserin \|4 aut
700	1		\|a Shen, Peilun \|e verfasserin \|4 aut
700	1		\|a Liu, Dianwen \|e verfasserin \|4 aut
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allfields	10.1016/j.molliq.2023.121564 doi (DE-627)ELV010488847 (ELSEVIER)S0167-7322(23)00367-7 DE-627 ger DE-627 rda eng 540 VZ 35.21 bkl Su, Chao verfasserin aut Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals. Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate Pei, Bin verfasserin aut Ibrahim, Ayman M. verfasserin aut Jia, Xiaodong verfasserin aut Cai, Jinpeng verfasserin aut Shen, Peilun verfasserin aut Liu, Dianwen verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 378 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:378 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_374 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_2807 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.21 Lösungen Flüssigkeiten Physikalische Chemie VZ AR 378
spelling	10.1016/j.molliq.2023.121564 doi (DE-627)ELV010488847 (ELSEVIER)S0167-7322(23)00367-7 DE-627 ger DE-627 rda eng 540 VZ 35.21 bkl Su, Chao verfasserin aut Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals. Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate Pei, Bin verfasserin aut Ibrahim, Ayman M. verfasserin aut Jia, Xiaodong verfasserin aut Cai, Jinpeng verfasserin aut Shen, Peilun verfasserin aut Liu, Dianwen verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 378 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:378 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_374 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_2807 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.21 Lösungen Flüssigkeiten Physikalische Chemie VZ AR 378
allfields_unstemmed	10.1016/j.molliq.2023.121564 doi (DE-627)ELV010488847 (ELSEVIER)S0167-7322(23)00367-7 DE-627 ger DE-627 rda eng 540 VZ 35.21 bkl Su, Chao verfasserin aut Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals. Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate Pei, Bin verfasserin aut Ibrahim, Ayman M. verfasserin aut Jia, Xiaodong verfasserin aut Cai, Jinpeng verfasserin aut Shen, Peilun verfasserin aut Liu, Dianwen verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 378 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:378 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_374 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_2807 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.21 Lösungen Flüssigkeiten Physikalische Chemie VZ AR 378
allfieldsGer	10.1016/j.molliq.2023.121564 doi (DE-627)ELV010488847 (ELSEVIER)S0167-7322(23)00367-7 DE-627 ger DE-627 rda eng 540 VZ 35.21 bkl Su, Chao verfasserin aut Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals. Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate Pei, Bin verfasserin aut Ibrahim, Ayman M. verfasserin aut Jia, Xiaodong verfasserin aut Cai, Jinpeng verfasserin aut Shen, Peilun verfasserin aut Liu, Dianwen verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 378 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:378 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_374 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_2807 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.21 Lösungen Flüssigkeiten Physikalische Chemie VZ AR 378
allfieldsSound	10.1016/j.molliq.2023.121564 doi (DE-627)ELV010488847 (ELSEVIER)S0167-7322(23)00367-7 DE-627 ger DE-627 rda eng 540 VZ 35.21 bkl Su, Chao verfasserin aut Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals. Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate Pei, Bin verfasserin aut Ibrahim, Ayman M. verfasserin aut Jia, Xiaodong verfasserin aut Cai, Jinpeng verfasserin aut Shen, Peilun verfasserin aut Liu, Dianwen verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 378 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:378 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_374 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_2807 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.21 Lösungen Flüssigkeiten Physikalische Chemie VZ AR 378
language	English
source	Enthalten in Journal of molecular liquids 378 volume:378
sourceStr	Enthalten in Journal of molecular liquids 378 volume:378
format_phy_str_mv	Article
bklname	Lösungen Flüssigkeiten
institution	findex.gbv.de
topic_facet	Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate
dewey-raw	540
isfreeaccess_bool	false
container_title	Journal of molecular liquids
authorswithroles_txt_mv	Su, Chao @@aut@@ Pei, Bin @@aut@@ Ibrahim, Ayman M. @@aut@@ Jia, Xiaodong @@aut@@ Cai, Jinpeng @@aut@@ Shen, Peilun @@aut@@ Liu, Dianwen @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	302469664
dewey-sort	3540
id	ELV010488847
language_de	englisch
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author	Su, Chao
spellingShingle	Su, Chao ddc 540 bkl 35.21 misc Chalcopyrite misc Lead ions misc Accidental adsorption misc Calcium lignosulphonate Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface
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topic_title	540 VZ 35.21 bkl Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface Chalcopyrite Lead ions Accidental adsorption Calcium lignosulphonate
topic	ddc 540 bkl 35.21 misc Chalcopyrite misc Lead ions misc Accidental adsorption misc Calcium lignosulphonate
topic_unstemmed	ddc 540 bkl 35.21 misc Chalcopyrite misc Lead ions misc Accidental adsorption misc Calcium lignosulphonate
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title	Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface
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title_full	Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface
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author_browse	Su, Chao Pei, Bin Ibrahim, Ayman M. Jia, Xiaodong Cai, Jinpeng Shen, Peilun Liu, Dianwen
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title_sort	effect of lead ions on accidental adsorption of calcium lignosulphonate on chalcopyrite surface
title_auth	Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface
abstract	Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals.
abstractGer	Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals.
abstract_unstemmed	Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation, which has been proved in previous study. However, the selectivity of CLS in the flotation of Cu-Pb artificial mixed minerals is not satisfactory, which may be due to the interaction between minerals. In this study, the accidental adsorption mechanism of CLS on chalcopyrite surface was studied by replacing dissolved lead ions in galena with lead nitrate. Micro-flotation test results show that the selectivity of CLS is destroyed by lead ions in the pulp, resulting in a depression effect of CLS on chalcopyrite. X-ray photoelectron spectroscopy (XPS) and zeta potential analysis results show that the accidental adsorption (chemisorption) of CLS on chalcopyrite is caused by the pre-action (physisorptions) of lead hydroxyl as the dominant lead species on the chalcopyrite surface. Adsorption capacity measurement and contact angle tests further illustrate that the competitive adsorption of CLS and sodium butyl xanthate is intensified by the action of lead ions, which decreases the surface hydrophobicity of chalcopyrite. Atomic force microscope (AFM) imaging visually reflects the influence of lead ions in the adsorption of CLS on the chalcopyrite surface. The purpose of this work is to provide clues to the cause of poor selectivity of organic depressants in the separation of Cu-Pb sulphide minerals.
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title_short	Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface
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author2	Pei, Bin Ibrahim, Ayman M. Jia, Xiaodong Cai, Jinpeng Shen, Peilun Liu, Dianwen
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up_date	2024-07-06T18:10:08.638Z
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Effect of lead ions on accidental adsorption of Calcium Lignosulphonate on chalcopyrite surface

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