Process for producing styrene
    24.
    发明授权
    Process for producing styrene 失效
    生产苯乙烯的方法

    公开(公告)号:US4347396A

    公开(公告)日:1982-08-31

    申请号:US246012

    申请日:1981-03-20

    CPC分类号: C07C5/327

    摘要: A process for producing styrene by dehydrogenation of ethylbenzene comprising feeding steam and ethylbenzene to three or more dehydrogenation reactors connected in series, an intermediate heater for heating the reaction mixture through heat exchange with steam being provided between each of said dehydrogenation reactors, said steam being first used as a medium to heat the respective intermediate heaters, and then mixed with ethylbenzene supplied as the feed to the first of said series of reactors, wherein 3 to 10 mols of steam are mixed with one mol of ethylbenzene and the temperature and pressure at the inlet of the final dehydrogenation reactor are 600.degree.-680.degree. C. and 0.4-0.8 Kg/cm.sup.2 (abs.), respectively, is disclosed.

    摘要翻译: 一种通过乙苯脱氢生产苯乙烯的方法,包括将蒸汽和乙苯输送到串联连接的三个或更多个脱氢反应器,通过在每个所述脱氢反应器之间提供与蒸汽热交换来加热反应混合物的中间加热器,所述蒸汽是第一 用作加热各个中间体加热器的介质,然后与作为进料供应的乙苯混合到所述一系列反应器中的第一个反应器中,其中将3至10摩尔蒸汽与1摩尔乙苯混合,并将温度和压力 最终脱氢反应器的入口分别为600℃-680℃和0.4-0.8kg / cm 2(绝对)。