公开(公告)号：US3586476A

公开(公告)日：1971-06-22

申请号：US3586476D

申请日：1968-10-16

Applicant: LITTLE INC A

Inventor： BEUTNER HEINZ P ,  HUSKA PAUL A

IPC: C01G49/00 ,  C22B3/38 ,  C01F7/66

CPC classification number: C01G49/0009 ,  C22B3/0068 ,  C22B3/0087 ,  Y02P10/234

Abstract: AN IMPROVED METHOD OF STRIPPING FERRIC IONS FROM AN ORGANIC ION-EXCHANGE LIQUID WITH AN ACID CHARACTERIZED BY THE STEPS OF WASHING THE ION-EXCHANGE LIQUID WITH WATER PRIOR TO AND SUBSEQUENT TO THE STRIPPING TO PREVENT THE TRANSPORT OF UNWANTED ANIONS BETWEEN THE AQUEOUS LIQUID STREAMS.