Title: Liquid-liquid extraction process for separating rare-earth elements
Application Number: 85101652 Application Date: 1985.04.01
Publication Number: 1007077 Publication Date: 1987.01.17
Approval Pub. Date: Granted Pub. Date: 1990.02.21
International Classifi-cation: B01D11/04,C01F17/00,C22B59/00
Applicant(s) Name: Rhone-Poulenc Specialites Chimiques Address:
Inventor(s) Name: Alain Rollat
Attorney & Agent: LI LUOYING WU XIAONAN
Abstract:
     The invention relates to a process for separating rare-earth elements. The process is rearlized by contacting liq. phase of rare-earth nitrate and organic phase of organic hypo-phosphinic acid as extracting agent.
Time: 6