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2012 | 14 | 3 | 15-20
Article title

Phosphate ore washing by Na2EDTA for cadmium removal: Optimization of the operating conditions

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EN
Abstracts
EN
This paper discusses the extraction of cadmium from phosphate ore by the washing method. Various parameters were investigated for the cadmium extraction from phosphate ore. The results from extraction tests showed that cadmium extraction depends on the nature and concentration of the extracting agent, the liquid/phosphate ore ratio, the temperature and the solution pH. The effi ciency of the nine extracting agents for removing cadmium from phosphate ore was found to be in the order: Na2EDTA > citric acid > tartric acid > ammonium citrate > calcium chloride > ammonium acetate > ammonium chloride > oxalic acid > ammonium hydroxide. In this study cadmium extraction kinetics was best described by the product layer diffusion control model.
Publisher
Year
Volume
14
Issue
3
Pages
15-20
Physical description
Dates
published
1 - 10 - 2012
received
accepted
online
31 - 10 - 2012
Contributors
  • University Badji Mokhtar Annaba, Laboratory of water treatment and valorization of industrial wastes, Chemistry Departmemt, Faculty of Sciences, BP 12 Annaba 23000 (Algéria)
author
  • University Badji Mokhtar Annaba, Laboratory of water treatment and valorization of industrial wastes, Chemistry Departmemt, Faculty of Sciences, BP 12 Annaba 23000 (Algéria)
  • University Badji Mokhtar Annaba, Laboratory of water treatment and valorization of industrial wastes, Chemistry Departmemt, Faculty of Sciences, BP 12 Annaba 23000 (Algéria)
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_v10026-012-0079-0
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