A novel D2EHPA-based synergistic extraction system for the recovery of chromium (III)
Zhang, Guozhi1,2,3; Chen, Desheng1,2; Zhao, Wei1,2; Zhao, Hongxin1,2; Wang, Lina1,2; Wang, Weijing1,2; Qi, Tao1,2
2016-10-15
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号302期号:NOV页码:233-238
摘要

A synergistic solvent extraction method for recovering chromium (III) was proposed using the mixed extractant consisting of di (2-ethylhexyl) phosphoric acid (D2EHPA) and isooctanol. Based on the synergistic effect and the price of extractant, isooctanol was selected as the effective synergistic extractant in the D2EHPA-based extraction system. The chromium (III) extraction was found to increase and then decrease with increasing isooctanol concentration. The effects of D2EHPA concentration, initial pH, contact time, temperature, and anions concentration on the synergistic extraction of chromium (III) were investigated. The comparative study on the stripping of chromium from the loaded D2EHPA-isooctanol and the loaded D2EHPA was carried out. Based on the experiment results and the analysis of UV-vis and FT-IR spectra, the mechanism on the synergistic extraction of chromium (HI) by D2EHPA-isooctanol mixed extractant was discussed. (C) 2016 Elsevier B.V. All rights reserved.

关键词Synergistic Solvent Extraction Chromium Di (2-ethylhexyl) Phosphoric Acid (D2ehpa) Isooctanol Mechanism
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2016.05.063
收录类别SCI
语种英语
关键词[WOS]EMULSION LIQUID-MEMBRANE ; AQUEOUS-SOLUTIONS ; WASTE-WATER ; SOLVENT-EXTRACTION ; ACTIVATED-SLUDGE ; REMOVAL ; EQUILIBRIUM ; REDUCTION ; KINETICS ; CR(III)
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者National Key Technologies RD Program(2014BAC03B01) ; National Basic Research Program of China (973 Program)(2013CB632601 ; National Natural Science Foundation of China(51374191 ; Special Fund of Insoluble Potassium Containing Rock of Tongren City ; 2013CB632604) ; 21406246 ; 21506233 ; 51402303 ; 51504230)
WOS记录号WOS:000382590900025
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21461
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhang, Guozhi,Chen, Desheng,Zhao, Wei,et al. A novel D2EHPA-based synergistic extraction system for the recovery of chromium (III)[J]. CHEMICAL ENGINEERING JOURNAL,2016,302(NOV):233-238.
APA Zhang, Guozhi.,Chen, Desheng.,Zhao, Wei.,Zhao, Hongxin.,Wang, Lina.,...&Qi, Tao.(2016).A novel D2EHPA-based synergistic extraction system for the recovery of chromium (III).CHEMICAL ENGINEERING JOURNAL,302(NOV),233-238.
MLA Zhang, Guozhi,et al."A novel D2EHPA-based synergistic extraction system for the recovery of chromium (III)".CHEMICAL ENGINEERING JOURNAL 302.NOV(2016):233-238.
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