发明名称 |
METHOD OF PRESULFURIZING A HYDROTREATING, HYDROCRACKING OR TAIL GAS TREATING CATALYST |
摘要 |
The invention relates to an improved method of presulfurizing a sulfidable metal oxide(s)-containing catalyst which minimizes sulfur stripping upon start-up of a reactor and improves catalyst activity. The method consists of contacting a sulfidable metal oxide(s)-containing catalyst with elemental sulfur at a temperature such that said elemental sulfur is substantially incorporated in the pores of said catalyst by sublimation and/or melting and heating the sulfur-incorporated catalyst in the presence of a liquid olefinic hydrocarbon at a temperature greater than about 150 DEG C.
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申请公布号 |
US5215954(A) |
申请公布日期 |
1993.06.01 |
申请号 |
US19910737630 |
申请日期 |
1991.07.30 |
申请人 |
CRI INTERNATIONAL, INC. |
发明人 |
SEAMANS, JAMES D.;ADAMS, CHARLES T.;DOMINGUEZ, WENDY B.;CHEN, ANDREW A. |
分类号 |
B01J27/186;B01J27/049;B01J27/19;B01J37/20;C10G45/04;C10G45/08;C10G47/06;C10G49/04 |
主分类号 |
B01J27/186 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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