发明名称 |
Zeolite catalyst precoking method for selective aromatics disproportionation process |
摘要 |
An improved process is disclosed for the selective disproportionation of toluene. The process uses a zeolitic catalyst which is selectively precoked prior to toluene disproportionation in a manner to avoid a large temperature rise across a bed of the catalyst during precoking. The catalyst and process provide enhanced selectivity for the production of paraxylene.
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申请公布号 |
US6191331(B1) |
申请公布日期 |
2001.02.20 |
申请号 |
US19990347805 |
申请日期 |
1999.07.02 |
申请人 |
UOP LLC |
发明人 |
BOLDINGH EDWIN P. |
分类号 |
B01J29/40;B01J37/00;B01J37/03;B01J37/08;C07C6/12;(IPC1-7):C07C5/22;C07C5/52;C07C15/12 |
主分类号 |
B01J29/40 |
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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