公开(公告)号：DE2828764A1

公开(公告)日：1980-01-10

申请号：DE2828764

申请日：1978-06-30

Applicant: HOECHST AG

Inventor： FISCHER EBERHARD DIPL ING DR ,  MAYER GUNTER DIPL ING DR ,  STROEER FRIEDEL ING GRAD ,  STRAMETZ HELMUT DIPL CHEM DR

IPC: C07C7/10 ,  C07C1/00 ,  C07C11/06 ,  C07C67/00 ,  C08F2/02 ,  C08F6/28 ,  C08F110/06 ,  C08F6/24

公开(公告)号：DE2330281A1

公开(公告)日：1975-01-09

申请号：DE2330281

申请日：1973-06-14

Applicant: HOECHST AG

Inventor： PLESSEN HELMOLD VON DIPL CHEM ,  FISCHER EBERHARD DIPL ING DR ,  SCHIESSLER SIEGFRIED DIPL CHEM

IPC: C01B17/88 ,  C01B17/90

Abstract: Contaminated sulfuric acid which may contain water, organic compounds and inorganic salts is converted to almost pure concentrated sulfuric acid by passing the acid through a Pauling plant and distilling the concentrated contaminated acid.