Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH

Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Z...
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Autor*in:	Park, Sang-Min [verfasserIn] Yoo, Jong-Chan Ji, Sang-Woo Yang, Jung-Seok Baek, Kitae

Format:	Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH

Anmerkung:	© Springer-Verlag Berlin Heidelberg 2014

Übergeordnetes Werk:	Enthalten in: Environmental science and pollution research - Springer Berlin Heidelberg, 1994, 22(2014), 4 vom: 19. Sept., Seite 3013-3022
Übergeordnetes Werk:	volume:22 ; year:2014 ; number:4 ; day:19 ; month:09 ; pages:3013-3022

Links:	Volltext

DOI / URN:	10.1007/s11356-014-3536-x

Katalog-ID:	OLC2040439072

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520			\|a Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents.
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650		4	\|a Acid mine drainage (AMD)
650		4	\|a Selective recovery
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650		4	\|a pH
700	1		\|a Yoo, Jong-Chan \|4 aut
700	1		\|a Ji, Sang-Woo \|4 aut
700	1		\|a Yang, Jung-Seok \|4 aut
700	1		\|a Baek, Kitae \|4 aut
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allfields	10.1007/s11356-014-3536-x doi (DE-627)OLC2040439072 (DE-He213)s11356-014-3536-x-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Park, Sang-Min verfasserin aut Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2014 Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH Yoo, Jong-Chan aut Ji, Sang-Woo aut Yang, Jung-Seok aut Baek, Kitae aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 22(2014), 4 vom: 19. Sept., Seite 3013-3022 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022 https://doi.org/10.1007/s11356-014-3536-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 AR 22 2014 4 19 09 3013-3022
spelling	10.1007/s11356-014-3536-x doi (DE-627)OLC2040439072 (DE-He213)s11356-014-3536-x-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Park, Sang-Min verfasserin aut Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2014 Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH Yoo, Jong-Chan aut Ji, Sang-Woo aut Yang, Jung-Seok aut Baek, Kitae aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 22(2014), 4 vom: 19. Sept., Seite 3013-3022 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022 https://doi.org/10.1007/s11356-014-3536-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 AR 22 2014 4 19 09 3013-3022
allfields_unstemmed	10.1007/s11356-014-3536-x doi (DE-627)OLC2040439072 (DE-He213)s11356-014-3536-x-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Park, Sang-Min verfasserin aut Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2014 Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH Yoo, Jong-Chan aut Ji, Sang-Woo aut Yang, Jung-Seok aut Baek, Kitae aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 22(2014), 4 vom: 19. Sept., Seite 3013-3022 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022 https://doi.org/10.1007/s11356-014-3536-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 AR 22 2014 4 19 09 3013-3022
allfieldsGer	10.1007/s11356-014-3536-x doi (DE-627)OLC2040439072 (DE-He213)s11356-014-3536-x-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Park, Sang-Min verfasserin aut Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2014 Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH Yoo, Jong-Chan aut Ji, Sang-Woo aut Yang, Jung-Seok aut Baek, Kitae aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 22(2014), 4 vom: 19. Sept., Seite 3013-3022 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022 https://doi.org/10.1007/s11356-014-3536-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 AR 22 2014 4 19 09 3013-3022
allfieldsSound	10.1007/s11356-014-3536-x doi (DE-627)OLC2040439072 (DE-He213)s11356-014-3536-x-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Park, Sang-Min verfasserin aut Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2014 Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH Yoo, Jong-Chan aut Ji, Sang-Woo aut Yang, Jung-Seok aut Baek, Kitae aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 22(2014), 4 vom: 19. Sept., Seite 3013-3022 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022 https://doi.org/10.1007/s11356-014-3536-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 AR 22 2014 4 19 09 3013-3022
language	English
source	Enthalten in Environmental science and pollution research 22(2014), 4 vom: 19. Sept., Seite 3013-3022 volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022
sourceStr	Enthalten in Environmental science and pollution research 22(2014), 4 vom: 19. Sept., Seite 3013-3022 volume:22 year:2014 number:4 day:19 month:09 pages:3013-3022
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topic_facet	Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH
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container_title	Environmental science and pollution research
authorswithroles_txt_mv	Park, Sang-Min @@aut@@ Yoo, Jong-Chan @@aut@@ Ji, Sang-Woo @@aut@@ Yang, Jung-Seok @@aut@@ Baek, Kitae @@aut@@
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author	Park, Sang-Min
spellingShingle	Park, Sang-Min ddc 570 ddc 690 fid BIODIV misc Visual MINTEQ misc Acid mine drainage (AMD) misc Selective recovery misc Precipitation misc pH Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH
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topic_title	570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH Visual MINTEQ Acid mine drainage (AMD) Selective recovery Precipitation pH
topic	ddc 570 ddc 690 fid BIODIV misc Visual MINTEQ misc Acid mine drainage (AMD) misc Selective recovery misc Precipitation misc pH
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title	Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH
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title_full	Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH
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author_browse	Park, Sang-Min Yoo, Jong-Chan Ji, Sang-Woo Yang, Jung-Seok Baek, Kitae
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title_sort	selective recovery of dissolved fe, al, cu, and zn in acid mine drainage based on modeling to predict precipitation ph
title_auth	Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH
abstract	Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. © Springer-Verlag Berlin Heidelberg 2014
abstractGer	Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. © Springer-Verlag Berlin Heidelberg 2014
abstract_unstemmed	Abstract Mining activities have caused serious environmental problems including acid mine drainage (AMD), the dispersion of mine tailings and dust, and extensive mine waste. In particular, AMD contaminates soil and water downstream of mines and generally contains mainly valuable metals such as Cu, Zn, and Ni as well as Fe and Al. In this study, we investigated the selective recovery of Fe, Al, Cu, Zn, and Ni from AMD. First, the speciation of Fe, Al, Cu, Zn, and Ni as a function of the equilibrium solution pH was simulated by Visual MINTEQ. Based on the simulation results, the predicted pHs for the selective precipitation of Fe, Al, Cu, and Zn/Ni were determined. And recovery yield of metals using simulation is over 99 %. Experiments using artificial AMD based on the simulation results confirmed the selective recovery of Fe, Al, Cu, and Zn/Ni, and the recovery yields of Fe/Al/Cu/Zn and Fe/Al/Cu/Ni mixtures using $ Na_{2} $$ CO_{3} $ were 99.6/86.8/71.9/77.0 % and 99.2/85.7/73.3/86.1 %, respectively. After then, the simulation results were applied to an actual AMD for the selective recovery of metals, and the recovery yields of Fe, Al, Cu, and Zn using NaOH were 97.2, 74.9, 66.9, and 89.7 %, respectively. Based on the results, it was concluded that selective recovery of dissolved metals from AMD is possible by adjusting the solution pH using NaOH or $ Na_{2} $$ CO_{3} $ as neutralizing agents. © Springer-Verlag Berlin Heidelberg 2014
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title_short	Selective recovery of dissolved Fe, Al, Cu, and Zn in acid mine drainage based on modeling to predict precipitation pH
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author2	Yoo, Jong-Chan Ji, Sang-Woo Yang, Jung-Seok Baek, Kitae
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