Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms

The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with th...
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Gespeichert in:

Autor*in:	Guan, Xiaohong [verfasserIn] Jiang, Xiao Qiao, Junlian Zhou, Gongming

Format:	Artikel
Sprache:	Englisch

Erschienen:	2015

Rechteinformationen:	Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved.

Übergeordnetes Werk:	Enthalten in: Journal of hazardous materials - Amsterdam : Elsevier, 1975, 300(2015), Seite 688
Übergeordnetes Werk:	volume:300 ; year:2015 ; pages:688

Links:	Link aufrufen

Katalog-ID:	OLC196231927X

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520			\|a The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified.
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allfields	PQ20160617 (DE-627)OLC196231927X (DE-599)GBVOLC196231927X (PRQ)pubmed_primary_262960730 (KEY)0002474020150000300000000688decomplexationandsubsequentreductiveremovalofedtac DE-627 ger DE-627 rakwb eng 530 DNB 43.13 bkl 50.17 bkl 58.53 bkl Guan, Xiaohong verfasserin aut Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Jiang, Xiao oth Qiao, Junlian oth Zhou, Gongming oth Enthalten in Journal of hazardous materials Amsterdam : Elsevier, 1975 300(2015), Seite 688 (DE-627)129442305 (DE-600)195278-X (DE-576)9129442303 0304-3894 nnns volume:300 year:2015 pages:688 http://www.ncbi.nlm.nih.gov/pubmed/26296073 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_170 GBV_ILN_4012 43.13 AVZ 50.17 AVZ 58.53 AVZ AR 300 2015 688
spelling	PQ20160617 (DE-627)OLC196231927X (DE-599)GBVOLC196231927X (PRQ)pubmed_primary_262960730 (KEY)0002474020150000300000000688decomplexationandsubsequentreductiveremovalofedtac DE-627 ger DE-627 rakwb eng 530 DNB 43.13 bkl 50.17 bkl 58.53 bkl Guan, Xiaohong verfasserin aut Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Jiang, Xiao oth Qiao, Junlian oth Zhou, Gongming oth Enthalten in Journal of hazardous materials Amsterdam : Elsevier, 1975 300(2015), Seite 688 (DE-627)129442305 (DE-600)195278-X (DE-576)9129442303 0304-3894 nnns volume:300 year:2015 pages:688 http://www.ncbi.nlm.nih.gov/pubmed/26296073 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_170 GBV_ILN_4012 43.13 AVZ 50.17 AVZ 58.53 AVZ AR 300 2015 688
allfields_unstemmed	PQ20160617 (DE-627)OLC196231927X (DE-599)GBVOLC196231927X (PRQ)pubmed_primary_262960730 (KEY)0002474020150000300000000688decomplexationandsubsequentreductiveremovalofedtac DE-627 ger DE-627 rakwb eng 530 DNB 43.13 bkl 50.17 bkl 58.53 bkl Guan, Xiaohong verfasserin aut Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Jiang, Xiao oth Qiao, Junlian oth Zhou, Gongming oth Enthalten in Journal of hazardous materials Amsterdam : Elsevier, 1975 300(2015), Seite 688 (DE-627)129442305 (DE-600)195278-X (DE-576)9129442303 0304-3894 nnns volume:300 year:2015 pages:688 http://www.ncbi.nlm.nih.gov/pubmed/26296073 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_170 GBV_ILN_4012 43.13 AVZ 50.17 AVZ 58.53 AVZ AR 300 2015 688
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author	Guan, Xiaohong
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title	Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms
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title_full	Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms
author_sort	Guan, Xiaohong
journal	Journal of hazardous materials
journalStr	Journal of hazardous materials
lang_code	eng
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author-letter	Guan, Xiaohong
dewey-full	530
title_sort	decomplexation and subsequent reductive removal of edta-chelated cu(ii) by zero-valent iron coupled with a weak magnetic field: performances and mechanisms
title_auth	Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms
abstract	The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified.
abstractGer	The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified.
abstract_unstemmed	The feasibility of EDTA-chelated Cu(II) (Cu(II)-EDTA) removal by zero-valent iron (Fe(0)) in the presence of a weak magnetic field (WMF) and the involved mechanisms were systematically investigated. Fe(0) combined with WMF (Fe(0)/WMF) was very effective for removing Cu(II)-EDTA at pH 4.0-6.0 with the rate constants ranging from 0.1190min(-1) to 0.0704min(-1). Little passivation of Fe(0) was observed during Cu(II)-EDTA removal by Fe(0)/WMF in 8 consecutive runs when 10.0mgL(-1) Cu(II)-EDTA was dosed before the initiation of each run. The evidences presented in this study verified that Cu(II)-EDTA was removed by decomplexation followed by reduction/adsorption. In brief, Fe(II) released from Fe(0) corrosion was rapidly oxidized by oxygen to Fe(III) to chelate with EDTA and release free Cu(II), and the detached Cu(II) ions were subsequently reduced/removed by Fe(0)/Fe(II) and co-precipitated by the generated iron (hydr)-oxides. To advance the application of Fe(0)/WMF technology in real practice, a magnetic propeller agitator was designed to offer WMF inside the reactor, which could greatly improve Cu(II)-EDTA removal by Fe(0) and be easily amplified.
collection_details	GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_170 GBV_ILN_4012
title_short	Decomplexation and subsequent reductive removal of EDTA-chelated Cu(II) by zero-valent iron coupled with a weak magnetic field: Performances and mechanisms
url	http://www.ncbi.nlm.nih.gov/pubmed/26296073
remote_bool	false
author2	Jiang, Xiao Qiao, Junlian Zhou, Gongming
author2Str	Jiang, Xiao Qiao, Junlian Zhou, Gongming
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isOA_txt	false
hochschulschrift_bool	false
author2_role	oth oth oth
up_date	2024-07-04T03:17:04.771Z
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