METHOD OF PROCESSING URANIFEROUS ORES

申请公布号：ZA7902131(B)

申请号：ZA19790002131

申请日期：1979.05.03

申请公布日期：1980.05.28

申请人：

GENERALE MATIERES NUCLEAIRES COMP

发明人：LAFFORGUE P;GRUET M;MICHEL P

分类号：C22B60/02

主分类号：C22B60/02

摘要：Refractory uranium is crushed and impregnated with a concentrated aqueous solution of sulphuric acid to provide a mixture which retains a solid phase consistency. The impregnated mixture is disintegrated in an aqueous solution to form a thick paste or pulp. The pulp is digested for a duration not exceeding 10 hours and the uranium recovered by solid/liquid separation. The sulphuric acid content of the concentrated solution is selected for the residual acidity at the end of pulp digestion to be of from 10 g/l to 40 g/l.

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