发明名称 |
Selective pseudocumene production by xylene methylation |
摘要 |
There is provided a process for shape selective xylene methylation that involves contacting a feedstream which includes xylene and methanol under alkylation conditions, with a low activity catalyst. Xylene conversions of at least 15% at methanol utilization levels of 25% or greater are achieved by sequential injection of methanol The xylene methylation process has a selectivity for pseudocumene of over 85% and up to 99%, with a pseudocumene:durene ratio of up to 20 or more.
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申请公布号 |
US6156949(A) |
申请公布日期 |
2000.12.05 |
申请号 |
US19980221548 |
申请日期 |
1998.12.28 |
申请人 |
MOBIL OIL CORPORATION |
发明人 |
BROWN, STEPHEN H.;MATHIAS, MARK F. |
分类号 |
C07C2/86;(IPC1-7):C07C2/66 |
主分类号 |
C07C2/86 |
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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