Process for separating iron from an organic extraction medium

Details Process for separating iron from an organic extraction medium Process for separating iron from an organic extraction medium

C - Chemistry, Metallurgy

22

B

53/22

C22B 23/06 (2006.01) C22B 3/00 (2006.01)

Patent

CA 1118210

- 30 - PROCESS FOR SEPARATING IRON FROM AN ORGANIC EXTRACTION MEDIUM ABSTRACT An organic extraction medium comprising a diluent and an extractant comprising a major part of alkyl phosphonic acid monoalkyl ester having alkyl group of C8 - C10, wherein iron is contained, is contacted with an alkali hydroxide solution or a mixture solution of alkali hydroxide and sucrose or the like, whereby iron is effectively separated from organic extraction medium. Iron may more effectively be removed therefrom by previously contacting the organic extraction medium with mineral acid to remove cobalt beforehand.

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