Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture

In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isotherma...
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Autor*in:	Miguel Véliz [verfasserIn] Alvaro Aracena [verfasserIn] Oscar Jerez [verfasserIn] Manuel Pérez-Tello [verfasserIn] Eduardo Balladares [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	enargite roasting sulfate slag copper capture

Übergeordnetes Werk:	In: Minerals - MDPI AG, 2012, 13(2023), 12, p 1489
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:12, p 1489

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/min13121489

Katalog-ID:	DOAJ09882399X

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520			\|a In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning.
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spelling	10.3390/min13121489 doi (DE-627)DOAJ09882399X (DE-599)DOAJ68564f42a4a746bcbc1c2e3998f05327 DE-627 ger DE-627 rakwb eng QE351-399.2 Miguel Véliz verfasserin aut Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning. enargite roasting sulfate slag copper capture Mineralogy Alvaro Aracena verfasserin aut Oscar Jerez verfasserin aut Manuel Pérez-Tello verfasserin aut Eduardo Balladares verfasserin aut In Minerals MDPI AG, 2012 13(2023), 12, p 1489 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:13 year:2023 number:12, p 1489 https://doi.org/10.3390/min13121489 kostenfrei https://doaj.org/article/68564f42a4a746bcbc1c2e3998f05327 kostenfrei https://www.mdpi.com/2075-163X/13/12/1489 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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 13 2023 12, p 1489
allfields_unstemmed	10.3390/min13121489 doi (DE-627)DOAJ09882399X (DE-599)DOAJ68564f42a4a746bcbc1c2e3998f05327 DE-627 ger DE-627 rakwb eng QE351-399.2 Miguel Véliz verfasserin aut Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning. enargite roasting sulfate slag copper capture Mineralogy Alvaro Aracena verfasserin aut Oscar Jerez verfasserin aut Manuel Pérez-Tello verfasserin aut Eduardo Balladares verfasserin aut In Minerals MDPI AG, 2012 13(2023), 12, p 1489 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:13 year:2023 number:12, p 1489 https://doi.org/10.3390/min13121489 kostenfrei https://doaj.org/article/68564f42a4a746bcbc1c2e3998f05327 kostenfrei https://www.mdpi.com/2075-163X/13/12/1489 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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 13 2023 12, p 1489
allfieldsGer	10.3390/min13121489 doi (DE-627)DOAJ09882399X (DE-599)DOAJ68564f42a4a746bcbc1c2e3998f05327 DE-627 ger DE-627 rakwb eng QE351-399.2 Miguel Véliz verfasserin aut Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning. enargite roasting sulfate slag copper capture Mineralogy Alvaro Aracena verfasserin aut Oscar Jerez verfasserin aut Manuel Pérez-Tello verfasserin aut Eduardo Balladares verfasserin aut In Minerals MDPI AG, 2012 13(2023), 12, p 1489 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:13 year:2023 number:12, p 1489 https://doi.org/10.3390/min13121489 kostenfrei https://doaj.org/article/68564f42a4a746bcbc1c2e3998f05327 kostenfrei https://www.mdpi.com/2075-163X/13/12/1489 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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 13 2023 12, p 1489
allfieldsSound	10.3390/min13121489 doi (DE-627)DOAJ09882399X (DE-599)DOAJ68564f42a4a746bcbc1c2e3998f05327 DE-627 ger DE-627 rakwb eng QE351-399.2 Miguel Véliz verfasserin aut Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning. enargite roasting sulfate slag copper capture Mineralogy Alvaro Aracena verfasserin aut Oscar Jerez verfasserin aut Manuel Pérez-Tello verfasserin aut Eduardo Balladares verfasserin aut In Minerals MDPI AG, 2012 13(2023), 12, p 1489 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:13 year:2023 number:12, p 1489 https://doi.org/10.3390/min13121489 kostenfrei https://doaj.org/article/68564f42a4a746bcbc1c2e3998f05327 kostenfrei https://www.mdpi.com/2075-163X/13/12/1489 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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 13 2023 12, p 1489
language	English
source	In Minerals 13(2023), 12, p 1489 volume:13 year:2023 number:12, p 1489
sourceStr	In Minerals 13(2023), 12, p 1489 volume:13 year:2023 number:12, p 1489
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topic_facet	enargite roasting sulfate slag copper capture Mineralogy
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authorswithroles_txt_mv	Miguel Véliz @@aut@@ Alvaro Aracena @@aut@@ Oscar Jerez @@aut@@ Manuel Pérez-Tello @@aut@@ Eduardo Balladares @@aut@@
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callnumber-first	Q - Science
author	Miguel Véliz
spellingShingle	Miguel Véliz misc QE351-399.2 misc enargite misc roasting misc sulfate misc slag misc copper misc capture misc Mineralogy Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
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topic_title	QE351-399.2 Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture enargite roasting sulfate slag copper capture
topic	misc QE351-399.2 misc enargite misc roasting misc sulfate misc slag misc copper misc capture misc Mineralogy
topic_unstemmed	misc QE351-399.2 misc enargite misc roasting misc sulfate misc slag misc copper misc capture misc Mineralogy
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title	Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
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title_full	Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
author_sort	Miguel Véliz
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author_browse	Miguel Véliz Alvaro Aracena Oscar Jerez Manuel Pérez-Tello Eduardo Balladares
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title_sort	copper sulfation from enargite roasting using coal and fayalite slag mixture
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title_auth	Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
abstract	In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning.
abstractGer	In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning.
abstract_unstemmed	In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 973 K, all the present phases were oxidized, and no arsenic phase was encountered in the XRDs. Therefore, this process is an excellent alternative for roasting copper concentrates with enargite, removing arsenic in the gas phase and generating a calcine that could then go to lixiviation to finally recover the copper through electrowinning.
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container_issue	12, p 1489
title_short	Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
url	https://doi.org/10.3390/min13121489 https://doaj.org/article/68564f42a4a746bcbc1c2e3998f05327 https://www.mdpi.com/2075-163X/13/12/1489 https://doaj.org/toc/2075-163X
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