Title:
【発明の名称】湿式法りん酸製造におけるりん酸塩含有鉱石に含まれるウラン、イツトリウム、トリウム及び希土類の全回収方法
Document Type and Number:
Japanese Patent JPS6058175
Kind Code:
B2
Abstract:
The uranium, yttrium, thorium and rare earth values contained in a phosphate rock are essentially totally recovered therefrom by, during the wet-process preparation of phosphoric acid from said phosphate rock, acidulating same in the presence of aluminum and/or iron, and optionally silica, and thence recovering said values from the phosphoric acid thus produced.
Inventors:
JAN FUABA
ANDORE RAMUBEERU
JAN HOORU TONIE
ANDORE RAMUBEERU
JAN HOORU TONIE
Application Number:
JP20765483A
Publication Date:
December 18, 1985
Filing Date:
November 07, 1983
Export Citation:
Assignee:
ROONU PUURAN SHIMII DO BAAZU
International Classes:
C01B25/222; C01F15/00; C01F17/00; C01G43/00; C22B59/00; C22B60/02; (IPC1-7): C01G43/00; C01B25/22; C01F15/00; C01F17/00; C22B59/00
Attorney, Agent or Firm:
Motohiro Kurauchi