发明名称 |
High activity, high yield tin modified platinum-iridium catalysts, and reforming process utilizing such catalysts |
摘要 |
Tin modified platinum-iridium catalysts provide high yields of C5+liquid reformate in catalytic reforming, concurrent with high activity. In particular, the tin modified platinum-iridium catalysts are of unusually high selectivity, as contrasted with known iridium promoted platinum catalysts. The high selectivity is manifested in reforming a naphtha feed in a reactor charged to capacity with the catalyst, but particularly when used in the dehydrocyclization zone, or tail reactor of a series of reactors, while the lead reactors of the series contain a non tin-containing platinum catalyst, especially a platinum-iridium, or a platinum-rhenium catalyst. The tin modified platinum-iridium catalysts are also highly active, with only moderate loss in the high activity for which iridium stabilized platinum catalysts are known.
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申请公布号 |
US5221465(A) |
申请公布日期 |
1993.06.22 |
申请号 |
US19910814659 |
申请日期 |
1991.12.30 |
申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
BAIRD, JR., WILLIAM C.;SWAN, III, GEORGE A.;BOYLE, JOSEPH P. |
分类号 |
B01J23/62;C10G35/09 |
主分类号 |
B01J23/62 |
代理机构 |
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代理人 |
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地址 |
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