公开(公告)号：US3799850A

公开(公告)日：1974-03-26

申请号：US17878771

申请日：1971-09-08

Applicant: NIIZM

Inventor： ENTSHEV I ,  KINCHEV N ,  SMILENOV T ,  STOJANOV J ,  HARALAMPIEV G ,  ALEXANDROV A

IPC: C25C1/16 ,  B01K3/00 ,  C22D1/22

CPC classification number: C25C1/16 ,  Y10S204/09

Abstract: A METHOD FOR OBTAINING ZINC FROM ITS SULFURIC ACID SOLUTIONS BY AN ELECTROLYTIC PROCESS IN WHICH THE CURRENT FLOW BETWEEN THE ELECTRODES IS REVERSED FOR FROM 0.3 TO 1.2% OF THE ELECTRICAL CURRENT CYCLE AND THE FREQUENCY OF CHANGING THE SIGN OF THE ELECTRODES IS FROM 2.0 TO 6.0 TIMES A MINUTE.