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INTEGRATED PROCESS FOR THE PRODUCTION OF VINYL AROMATIC HYDROCARBONS 发明申请

2023-05-20 3560 206K 0

专利信息

申请日期 2025-07-10 申请号 WOEP08008510
公开(公告)号 WO2009046977A1 公开(公告)日 2009-04-16
公开国别 WO 申请人省市代码 全国
申请人 POLIMERI EUROPA S P A; BENCINI Elena; DEL SEPPIA Alessandro; GALEOTTI Armando
简介 An integrated process for the production of vinyl aromatic hydrocarbons which comprises : a) synthesis of an alkyl aromatic hydrocarbon, starting from a C2-C3 olefin and an aromatic compound, in an alkylation section; b) dehydrogenation of the alkyl aromatic hydrocarbon in a dehydrogenation section with the recovery of the vinyl aromatic compound and the aromatic compound, reaction by-product of the dehydrogenation, recycled; c) treatment of the aromatic compound, before the recycling, with one or more washings with a polar solvent and with percolation through a bed of molecular sieves or acid earth.


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