Recycling of brass melting slag through the high-temperature oxidation-leaching process

Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treat...
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Autor*in:	Fariba Maleki [verfasserIn] Samad Ghasemi [verfasserIn] Akbar Heidarpour [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Brass melting slag High-temperature oxidation Leaching

Übergeordnetes Werk:	In: Sustainable Environment Research - BMC, 2017, 32(2022), 1, Seite 11
Übergeordnetes Werk:	volume:32 ; year:2022 ; number:1 ; pages:11

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1186/s42834-022-00135-w

Katalog-ID:	DOAJ031996914

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520			\|a Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1.
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spelling	10.1186/s42834-022-00135-w doi (DE-627)DOAJ031996914 (DE-599)DOAJ7f9c4a4e2c0d42b5918c21fc36f7fef6 DE-627 ger DE-627 rakwb eng TD1-1066 Fariba Maleki verfasserin aut Recycling of brass melting slag through the high-temperature oxidation-leaching process 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1. Brass melting slag High-temperature oxidation Leaching Environmental technology. Sanitary engineering Samad Ghasemi verfasserin aut Akbar Heidarpour verfasserin aut In Sustainable Environment Research BMC, 2017 32(2022), 1, Seite 11 (DE-627)678784418 (DE-600)2641138-6 24682039 nnns volume:32 year:2022 number:1 pages:11 https://doi.org/10.1186/s42834-022-00135-w kostenfrei https://doaj.org/article/7f9c4a4e2c0d42b5918c21fc36f7fef6 kostenfrei https://doi.org/10.1186/s42834-022-00135-w kostenfrei https://doaj.org/toc/2468-2039 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 32 2022 1 11
allfields_unstemmed	10.1186/s42834-022-00135-w doi (DE-627)DOAJ031996914 (DE-599)DOAJ7f9c4a4e2c0d42b5918c21fc36f7fef6 DE-627 ger DE-627 rakwb eng TD1-1066 Fariba Maleki verfasserin aut Recycling of brass melting slag through the high-temperature oxidation-leaching process 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1. Brass melting slag High-temperature oxidation Leaching Environmental technology. Sanitary engineering Samad Ghasemi verfasserin aut Akbar Heidarpour verfasserin aut In Sustainable Environment Research BMC, 2017 32(2022), 1, Seite 11 (DE-627)678784418 (DE-600)2641138-6 24682039 nnns volume:32 year:2022 number:1 pages:11 https://doi.org/10.1186/s42834-022-00135-w kostenfrei https://doaj.org/article/7f9c4a4e2c0d42b5918c21fc36f7fef6 kostenfrei https://doi.org/10.1186/s42834-022-00135-w kostenfrei https://doaj.org/toc/2468-2039 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 32 2022 1 11
allfieldsGer	10.1186/s42834-022-00135-w doi (DE-627)DOAJ031996914 (DE-599)DOAJ7f9c4a4e2c0d42b5918c21fc36f7fef6 DE-627 ger DE-627 rakwb eng TD1-1066 Fariba Maleki verfasserin aut Recycling of brass melting slag through the high-temperature oxidation-leaching process 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1. Brass melting slag High-temperature oxidation Leaching Environmental technology. Sanitary engineering Samad Ghasemi verfasserin aut Akbar Heidarpour verfasserin aut In Sustainable Environment Research BMC, 2017 32(2022), 1, Seite 11 (DE-627)678784418 (DE-600)2641138-6 24682039 nnns volume:32 year:2022 number:1 pages:11 https://doi.org/10.1186/s42834-022-00135-w kostenfrei https://doaj.org/article/7f9c4a4e2c0d42b5918c21fc36f7fef6 kostenfrei https://doi.org/10.1186/s42834-022-00135-w kostenfrei https://doaj.org/toc/2468-2039 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_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 32 2022 1 11
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source	In Sustainable Environment Research 32(2022), 1, Seite 11 volume:32 year:2022 number:1 pages:11
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authorswithroles_txt_mv	Fariba Maleki @@aut@@ Samad Ghasemi @@aut@@ Akbar Heidarpour @@aut@@
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The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. 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callnumber-first	T - Technology
author	Fariba Maleki
spellingShingle	Fariba Maleki misc TD1-1066 misc Brass melting slag misc High-temperature oxidation misc Leaching misc Environmental technology. Sanitary engineering Recycling of brass melting slag through the high-temperature oxidation-leaching process
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topic_title	TD1-1066 Recycling of brass melting slag through the high-temperature oxidation-leaching process Brass melting slag High-temperature oxidation Leaching
topic	misc TD1-1066 misc Brass melting slag misc High-temperature oxidation misc Leaching misc Environmental technology. Sanitary engineering
topic_unstemmed	misc TD1-1066 misc Brass melting slag misc High-temperature oxidation misc Leaching misc Environmental technology. Sanitary engineering
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title	Recycling of brass melting slag through the high-temperature oxidation-leaching process
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title_full	Recycling of brass melting slag through the high-temperature oxidation-leaching process
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title_sort	recycling of brass melting slag through the high-temperature oxidation-leaching process
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title_auth	Recycling of brass melting slag through the high-temperature oxidation-leaching process
abstract	Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1.
abstractGer	Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1.
abstract_unstemmed	Abstract Brass melting slag is a valuable secondary resource for the recovery of copper and zinc. The hydrometallurgical recovery process of this material is a challenge, because of its limited dissolution in sulfuric acid. The present study aimed at studying a combined pyro-hydrometallurgical treatment processes involving high temperature oxidation and sulfuric acid leaching to industrial brass melting slag to recover copper and zinc. The effect of temperature on the performance and efficiency of the high temperature oxidation process was investigated by isothermal thermogravimetry. The results revealed that by increasing the oxidation temperature, leachability improves due to the oxidation of metallic brass particles. The results obtained showed that 3 h oxidation of as-received slag at 900 °C, increased its percent leaching amount in 2 M sulfuric acid from 34 to 81%. The pregnant leach solution containing copper sulfate and zinc sulfate was subjected to the electrowining process to recover the copper as copper cathode. The zinc was also recovered as zinc sulfate via evaporation and crystallization process. Kinetic investigations showed that the 3D diffusion model has a good agreement with the isothermal oxidation results. In this model, the oxidation reaction is controlled by the outward diffusion of zinc from the brass particle. The activation energy of isothermal oxidation was obtained as 311 kJ mol− 1.
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title_short	Recycling of brass melting slag through the high-temperature oxidation-leaching process
url	https://doi.org/10.1186/s42834-022-00135-w https://doaj.org/article/7f9c4a4e2c0d42b5918c21fc36f7fef6 https://doaj.org/toc/2468-2039
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Recycling of brass melting slag through the high-temperature oxidation-leaching process

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