发明名称 Production of Para-Xylene
摘要 The invention is a process for producing paraxylene, benzene and/or toluene is alkylated with methanol in the presence of a catalyst under conditions effective to convert said benzene and/or toluene to xylene and produce a product stream containing water, xylene and one or more phenolic impurities. The said product stream is separated into a water-rich stream and a xylene-rich stream containing one or more phenolic impurities and at least a portion of the xylene-rich stream is contacted with an aqueous solution of a base under conditions to remove at least some of the phenolic impurities from the xylene-rich stream portion.
申请公布号 US2012316375(A1) 申请公布日期 2012.12.13
申请号 US201213487651 申请日期 2012.06.04
申请人 发明人 ZHENG XIAOBO;HAGEMEISTER MARK P.;BENDER TIMOTHY P.;TINGER ROBERT G.
分类号 C07C1/22;B01J19/00 主分类号 C07C1/22
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