Chromium(VI) removal by tri-n-octylamine/n-heptane via a pseudo-emulsion-based hollow fiber strip dispersion technique

被引：0

作者：

Wang, Yuchen ^{[1
]}

Li, Yingxue ^{[2
]}

Zhong, Yijian ^{[3
]}

Cui, Chongwei ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin, Peoples R China

[2] Changzhou Vocat Inst Engn, Inst Pharmaceut & Environm Engn, Changzhou, Peoples R China

[3] Guilin Univ Technol, Coll Environm Sci & Engn, Guilin, Peoples R China

来源：

DESALINATION AND WATER TREATMENT | 2017年 / 63卷

关键词：

Chromium(VI); N235; Pseudo-emulsion-based hollow fiber strip dispersion; Liquid membrane; Mass-transfer; SUPPORTED LIQUID-MEMBRANE; HEXAVALENT CHROMIUM; MASS-TRANSFER; TECHNOLOGY; EXTRACTION; TRANSPORT; SEPARATION; CARRIER; CR(VI); PERTRACTION;

D O I：

10.5004/dwt.2017.20150

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Transport of Cr(VI) from acidic media via a pseudo-emulsion-based hollow fiber strip dispersion (PEHFSD) technique using tri-n-octylamine (N235) dissolved in n-heptane was investigated. The effects of various hydrodynamic and chemical parameters, including the flow rates, variation in feed pH, initial Cr(VI) concentration, and N235 concentration in the pseudo-emulsion, on Cr(VI) permeation were analyzed. The optimum conditions for Cr(VI) separation from hydrochloric acidic media were also estimated. The analysis of Cr(VI) transport was made on the basis of the overall mass-transfer coefficient of permeation; the resistances of mass transfer were also evaluated. The results indicated that the ion transport is controlled by the diffusion of Cr(VI) species in the stagnant film between the aqueous solution and the membrane liquid.

引用

页码：103 / 112

页数：10

共 7 条

[1] Au(I) extraction by LIX-79/n-heptane using the pseudo-emulsion-based hollow-fiber strip dispersion (PEHFSD) technique
Sonawane, J. V.
Pabby, Anil Kumar
Sastre, A. M.
JOURNAL OF MEMBRANE SCIENCE, 2007, 300 (1-2) : 147 - 155
[2] Non-Dispersive Extraction of Chromium(VI) by Cyphos IL102/Solvesso 100 Using the Pseudo-Emulsion-Based Strip Dispersion Membrane Operation
Alguacil, Francisco Jose
MEMBRANES, 2024, 14 (06)
[3] Electrodialytic Recovery of Chromium(VI) from Hydrochloric Acid Solutions with Liquid Membranes Based on Tri-n-Octylamine
Sadyrbaeva, T. Zh.
RUSSIAN JOURNAL OF APPLIED CHEMISTRY, 2013, 86 (09) : 1392 - 1398
[4] Electrodialytic recovery of chromium(VI) from hydrochloric acid solutions with liquid membranes based on tri-n-octylamine
T. Zh. Sadyrbaeva
Russian Journal of Applied Chemistry, 2013, 86 : 1392 - 1398
[5] Application of pseudo-emulsion-based hollow fiber strip dispersion for the extraction of p-nitrophenol from aqueous solutions
Naidu, Gedela Ashok Kumar
Gupta, Smita
Chakraborty, Mousumi
ENVIRONMENTAL TECHNOLOGY, 2016, 37 (22) : 2924 - 2934
[6] Pseudo-emulsion based hollow fibre strip dispersion (PEHFSD) technique for permeation of Cr(VI) using Cyanex-923 as carrier
Sonawane, Jagannath V.
Pabby, Anil K.
Sastre, Ana M.
JOURNAL OF HAZARDOUS MATERIALS, 2010, 174 (1-3) : 541 - 547
[7] Nickel(II) removal by mixtures of Acorga M5640 and DP8R in pseudo-emulsion based hollow fiber with strip dispersion technology
Gonzalez, R.
Cerpa, A.
Alguacil, F. J.
CHEMOSPHERE, 2010, 81 (09) : 1164 - 1169

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