公开(公告)号：US3810972A

公开(公告)日：1974-05-14

申请号：US22882972

申请日：1972-02-24

Applicant: EXXON RESEARCH ENGINEERING CO

Inventor： HUMPHREY R ,  MOSS G

IPC: B01D53/50 ,  C01B17/04 ,  C10G9/28

CPC classification number: C01B17/0482 ,  B01D53/508

Abstract: A SUBSTRATE IS COKED BY CONTACT WITH OIL AT CRACKING TEMPERATURE, AND THE COKED SUBSTRATE IS THEN CONTACTED WITH SULPHUR OXIDES-CONTAINING GASES TO REDUCE THE SULPHUR OXIDES TO SULPHUR (WHICH IS RECOVERED) AND TO OXIDIZE COKE TO CARBON OXIDES. THE CRACKED OIL VAPORS ARE ALSO RECOVERED. THE PROCESS IS OPERATED EITHER CYCLICALLY. INTERMITTTENLY OR CONTINOUSLY.