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公开(公告)号：US3781445A
公开(公告)日：1973-12-25
申请号：US3781445D
申请日：1971-12-10
Applicant: EXXON RESEARCH ENGINEERING CO
Inventor： MOSS G , ROSBOROUGH D
CPC classification number: B01D53/8615 , C01B17/0413
Abstract: TAIL GAS FROM A CLAUS UNIT IS CONTACTED WITH A BED OF FLUIDIZED SULPHUR REACTIVE MATERIAL SUCH AS LIME UNDER OXI DIZING CONDITIONS IN AN ABSORBER MIN ORDER TO REMOVE SULFUR COMPOUNDS THEREIN. ESSENTIALLY SULPHUR-FREE GAS IS DISCHARGED FROM THE ABSORBER. ABSORBER BED MATERIAL CONTAINING SULFATE (E.G., CASO4) IS TRANSFERRED TO A REGENERATOR WHERE THE CORRESPONDING OXIDE (E.G., CAO) IS REGENERATED UNDER REDUCING CONDITIONS.
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