发明名称 |
Process for alkylating aromatics |
摘要 |
A process for alkylating aromatics is provided which comprises contacting an aromatic-containing feed with alkylating agent in the presence of a silica-bound ZSM-5 zeolite catalyst, wherein the ZSM-5 has a crystal size no greater than 0.05 micron, said contacting being conducted under alkylating conditions to provide a product containing a monoalkylated aromatic fraction and a polyalkylated aromatic fraction, wherein the polyalkylated aromatic fraction contains at least 40 wt. % of the para-dialkylaromatic species. The polyalkylated aromatic fraction may be contacted with unsubstituted aromatic and a transalkylation catalyst under transalkylating conditions to provide a mono-alkylated aromatic-rich stream, e.g., an ethylbenzene-rich stream.
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申请公布号 |
US6670517(B1) |
申请公布日期 |
2003.12.30 |
申请号 |
US20000644999 |
申请日期 |
2000.08.24 |
申请人 |
EXXON MOBIL CHEMICAL PATENTS INC. |
发明人 |
ABICHANDANI JEEVAN SAHIB;VENKAT CHAYA RAO;MAZZONE DOMINICK NICHOLAS |
分类号 |
B01J29/40;B01J37/00;C07B61/00;C07C2/64;C07C2/66;C07C15/073;(IPC1-7):C07C2/66 |
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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