公开(公告)号：US3764495A

公开(公告)日：1973-10-09

申请号：US3764495D

申请日：1971-04-21

Applicant: ALLIED CHEM

Inventor： GUPTILL J ,  FOLEY G

IPC: C01D1/28 ,  C02F9/00 ,  C25B9/00 ,  C01D1/08 ,  B01D19/00 ,  B01D47/00

CPC classification number: C25B9/005 ,  C01D1/28 ,  C02F9/00 ,  C02F2101/20

Abstract: A METHOD FOR REMOVING MERCURY FROM A MERCURY CELL CAUSTIC SODA OR CAUSTIC POTASH SOLUTION WHEREIN A VAPOR OR GAS IS PASSED THROUGH THE SOLUTION IN THE PRESENCE OF A SMALL AMOUNT OF A REDUCING AGENT. CAUSTIC SOLUTIONS ARE OBTAINED CONTAINING AS LOW A CONCENTRATION OF MERCURY AS 0.01 PART PER MILLION. SPECIAL MEANS ARE PROVIDED FOR RECOVERY OF THE MERCURY.