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Recovery Scandium from Leaching Liquor of Red Mud

XU Ting-hua

Open publisher page 3 citations

Abstract

The conditions of extraction and back extraction were established through studies on solution of hydrochloric acid for solvent extraction of scandium with P_(507).The solution was extracted by an organic phase consisted of 1% P_(507)~+ kerosene, phase ratio of 1:1,extraction 15min.Extraction rate was over 90%.The organic phase was cleaned twice by 6mol/L HCl and water,phase ratio of 3:1.The organic phase containing scandium was striped by 2N NaOH,phase ratio of 3:1,temperature 50℃.The rate of purity of resulting scandium oxide was 66.09%,concentrated over 2600 times.

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What this paper is about

The conditions of extraction and back extraction were established through studies on solution of hydrochloric acid for solvent extraction of scandium with P_(507).The solution was extracted by an organic phase consisted of 1% P_(507)~+ kerosene, phase ratio of 1:1,extraction 15min.Extraction rate was over 90%.The organic phase was cleaned twice by 6mol/L HCl and water,phase ratio of 3:1.The organic phase containing scandium was striped by 2N NaOH,phase ratio of 3:1,temperature 50℃.The rate of purity of resulting scandium oxide was 66.09%,concentrated over 2600 times.

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Available abstract

The conditions of extraction and back extraction were established through studies on solution of hydrochloric acid for solvent extraction of scandium with P_(507).The solution was extracted by an organic phase consisted of 1% P_(507)~+ kerosene, phase ratio of 1:1,extraction 15min.Extraction rate was over 90%.The organic phase was cleaned twice by 6mol/L HCl and water,phase ratio of 3:1.The organic phase containing scandium was striped by 2N NaOH,phase ratio of 3:1,temperature 50℃.The rate of purity of resulting scandium oxide was 66.09%,concentrated over 2600 times.

Key concepts: Scandium, Extraction (chemistry), Leaching (pedology), Hydrochloric acid, Kerosene, Chemistry, Phase (matter), Nuclear chemistry

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