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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/3031
Title: Recovery of chromium and nickel from industrial waste
Authors: Gupta B.
Deep A.
Tandon S.N.
Published in: Industrial and Engineering Chemistry Research
Abstract: The paper embodies an analytical approach to the recovery of chromium and nickel from different kinds of industrial wastes, namely, a Cr(III)-Ni(II) plating sludge, a Ni(II) plating mug, and a tannery effluent. The proposed methods employ precipitation, solvent extraction, and electro-winning steps. A toluene solution of Cyanex 923 is used as an extractant for the separation of Cr(III) and Ni(II) from some commonly associated metal ions such as Al(III), Fe(III), Mn(II), Co(II), Cu(II), Zn(II), and Pb(II). The experiments conducted up to 10 cycles indicate a negligible loss in extraction efficiency. The electrodeposition of Cr(III) and Ni(II) offers average cathode efficiencies around 40 and 75%, respectively. The recovered metals are 99.9% pure. The proposed procedures will be helpful in saving the wastage of metals and protecting the environment from metal pollution.
Citation: Industrial and Engineering Chemistry Research (2002), 41(12): 2948-2952
URI: https://doi.org/10.1021/ie010934b
http://repository.iitr.ac.in/handle/123456789/3031
Issue Date: 2002
Publisher: American Chemical Society
ISSN: 8885885
Author Scopus IDs: 7402195167
6602909701
24523635700
Author Affiliations: Gupta, B., Department of Chemistry, Indian Institute of Technology (IIT), Roorkee, 247667 Uttaranchal, India
Deep, A., Department of Chemistry, Indian Institute of Technology (IIT), Roorkee, 247667 Uttaranchal, India
Tandon, S.N., Department of Chemistry, Indian Institute of Technology (IIT), Roorkee, 247667 Uttaranchal, India
Corresponding Author: Gupta, B.; Department of Chemistry, Indian Institute of Technology (IIT), Roorkee, 247667 Uttaranchal, India; email: bvgcyfcy@iitr.ernet.in
Appears in Collections:Journal Publications [CY]

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