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    • 7. 发明授权
    • Process for preparing 1-butene and a 1,3-butadiene derivative
    • 制备1-丁烯和1,3-丁二烯衍生物的方法
    • US08889935B2
    • 2014-11-18
    • US14009722
    • 2012-03-21
    • Dietrich Maschmeyer
    • Dietrich Maschmeyer
    • C07C5/327C07C5/05C07C43/15C07C2/06C07C5/333C07C7/163C07C7/04
    • C07C5/327C07C2/06C07C5/05C07C5/333C07C7/04C07C7/163C07C43/15C07C11/08C07C11/167
    • A process for preparing 1-butene and a 1,3-butadiene derivative, containing the steps of a) non-oxidatively catalytically dehydrogenating a feedstock gas stream containing n-butane, hydrogen, other low-boiling secondary constituents and high boilers, to form a product mixture containing unreacted n-butane, 1-butene, 2-butenes, 1,3-butadiene, hydrogen, other low-boiling secondary constituents and high boilers; b) removing hydrogen, other low boilers and high boilers, to give a product mixture containing n-butane, 1-butene, two 2-butenes and 1,3-butadiene; c) reacting some of the 1,3-butadiene obtained in the removing b), to form a derivative; d) removing the 1,3-butadiene derivative obtained in the reacting c); e) selectively hydrogenating the 1,3-butadiene not derivatized in the reacting c), to form 1-butene; and f) distillatively removing 1-butene from the hydrocarbon stream obtained in the hydrogenating e), to leave a residual stream.
    • 一种制备1-丁烯和1,3-丁二烯衍生物的方法,包括以下步骤:a)使含有正丁烷,氢气,其他低沸点二级成分和高沸点物质的原料气流非氧化催化脱氢形成 含有未反应的正丁烷,1-丁烯,2-丁烯,1,3-丁二烯,氢,其他低沸点二级成分和高锅炉的产物混合物; b)除去氢气,其他低锅炉和高锅炉,得到含有正丁烷,1-丁烯,两个2-丁烯和1,3-丁二烯的产物混合物; c)使除去b)中得到的一些1,3-丁二烯反应以形成衍生物; d)除去在反应c)中得到的1,3-丁二烯衍生物; e)选择性氢化反应c)中未衍生的1,3-丁二烯,以形成1-丁烯; 和f)从在氢化e)中获得的烃流中蒸馏除去1-丁烯,以留下残余物流。