发明授权
- 专利标题: Process for the catalytic oxidation of hydrogen sulfide with sulfur dioxide
- 专利标题(中): 用二氧化硫催化氧化硫化氢的方法
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申请号: US712000申请日: 1976-08-05
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公开(公告)号: US4062932A公开(公告)日: 1977-12-13
- 发明人: James M. Whelan
- 申请人: James M. Whelan
- 申请人地址: CA Los Angeles
- 专利权人: University of Southern California
- 当前专利权人: University of Southern California
- 当前专利权人地址: CA Los Angeles
- 主分类号: B01D53/86
- IPC分类号: B01D53/86 ; B01D53/94 ; B01J23/10 ; B01J23/76 ; B01J23/78 ; C01B17/04 ; C01B17/50 ; C01B17/78 ; C01B21/02 ; C01B21/26 ; C01B32/50 ; C01C3/02 ; C04B35/50 ; F23C13/00
摘要:
A process for the oxidation of hydrogen sulfide with sulfur dioxide to produce sulfur which comprises combining the hydrogen sulfide with a one-half molar equivalent of sulfur dioxide and passing the hydrogen sulfide-sulfur dioxide mixture over a ceramic catalyst of the following formula at a temperature between about 100.degree. C. and about 800.degree. C.:w.sub.k X.sub.n J.sub.(l-k-n) ZO (3.+-.m)wherein: W is zirconium, tin or thorium, or a mixture thereof; X is an alkaline earth metal or mixture thereof; J is scandium, yttrium, a rare-earth element or mixture thereof; Z is a metal of the first transition series or a mixture thereof, at least 0.01% of said metal having an oxidation state other than +3; k is a number having a value of between 0 and about 0.01; m is a number having a value of from 0 to about 0.26; and n is a number having a value from 0 to about 0.51, provided when n has a value of 0, k has a value between 0 and about 0.05.