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    • 10. 发明授权
    • Process for preparing 1-butene
    • 制备1-丁烯的方法
    • US07518024B2
    • 2009-04-14
    • US10577198
    • 2004-10-27
    • Götz-Peter SchindlerAndreas BrodhagenThorsten JohannThomas Hill
    • Götz-Peter SchindlerAndreas BrodhagenThorsten JohannThomas Hill
    • C07C5/327C07C5/32
    • C07C5/333C07C5/05C07C11/08
    • A process for preparing 1-butene from 1-butane, which includes providing a n-butane-containing feed gas stream; introducing of the n-butane-containing feed gas stream into at least one dehydrogenation zone and nonoxidative catalytic dehydrogenation of n-butane; removing hydrogen, the low-boiling secondary constituents and optionally water vapor to give a C4 product gas stream containing 10-80% by volume of n-butane, 5-40% by volume of 1-butene, 10-50% by volume of 2-butene, 0-40% by volume of butadiene and 0-10% by volume of further gas constituents; introducing the C4 product gas stream containing 10-80% by volume of n-butane, 10-60% by volume of 1-butene, 15-60% by volume of 2-butene, 0-5% by volume of butadiene and 0-10% by volume of further gas constituents, into a selective hydrogenation zone and selective hydrogenation of butadiene to 1- and/or 2-butene to give stream consisting essentially of n-butane, 1-butene and 2-butene; and separating of the stream distillation into a desired product.
    • 一种从1-丁烷制备1-丁烯的方法,其包括提供含正丁烷的原料气流; 将含正丁烷的进料气流引入至少一个脱氢区和正丁烷的非氧化催化脱氢; 去除氢气,低沸点次级组分和任选的水蒸汽,得到含有10-80体积%正丁烷的C4产物气流,5-40体积%的1-丁烯,10-50体积% 2-丁烯,0-40体积%的丁二烯和0-10体积%的其它气体组分; 引入含有10-80体积%正丁烷的C4产物气流,10-60体积%的1-丁烯,15-60体积%的2-丁烯,0-5体积%的丁二烯和0 -10%体积的进一步气体组分转化为选择性加氢区,并将丁二烯选择性氢化为1-和/或2-丁烯,得到基本上由正丁烷,1-丁烯和2-丁烯组成的物流; 并将料流蒸馏分离成所需产物。