Separation of Co(2) from zinc plant acidic thiocyanate leach solutions containing Co(2) and Ni(2) by solvent extraction using trioctylamine in toluene
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- EYUPOGLU Volkan
- Department of Chemistry, Faculty of Science, Sakarya University
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- KUMBASAR Recep Ali
- Department of Chemistry, Faculty of Science, Sakarya University
書誌事項
- タイトル別名
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- Separation of Co(II) from Zinc Plant Acidic Thiocyanate Leach Solutions Containing Co(II) and Ni(II) by Solvent Extraction Using Trioctylamine in Toluene
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説明
In this study, a zinc plant purification cake (CINKUR Co. Turkey) was leached with sulphuric acid and an acidic leach solution containing Zn(II), Fe(II), Pb(II), Al(III), Cu(II), Co(II) and Ni(II) ions was obtained. After purification, ammonium thiocyanate and water were added to the remaining leach solution containing Co(II) and Ni(II) ions to adjust the chemical media and ion concentration. The acidic thiocyanate leach solutions were used in solvent extraction experiments. The various parameters were studied to determine the extraction and striping behaviour of Co(II). These parameters were diluent type, feed solution pH, extractant concentration, mixing speed, phase ratio, stripping solution type and concentration and etc. Under optimum extraction conditions, the maximum extraction efficiency (99.9 %) was achieved when using 5.0 %(v/v) TOA in toluene within 5 min. The extracted Co(II) was stripped effectively from the organic phase using 5.0 M NH3 solution.
収録刊行物
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- Solvent Extraction Research and Development, Japan
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Solvent Extraction Research and Development, Japan 18 (0), 37-53, 2011
日本溶媒抽出学会
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詳細情報 詳細情報について
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- CRID
- 1390282680720103040
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- NII論文ID
- 130005056915
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- NII書誌ID
- AA11114608
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- ISSN
- 21884765
- 13417215
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- NDL書誌ID
- 11130786
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- 本文言語コード
- en
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