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    • 6. 发明授权
    • Reactive distillation for the dehydration of mixed alcohols
    • 混合醇脱水反应蒸馏
    • US08367886B2
    • 2013-02-05
    • US11988226
    • 2006-06-29
    • Benjamin Patrick GraceyLeslie William Bolton
    • Benjamin Patrick GraceyLeslie William Bolton
    • C07C1/20
    • C07C1/24Y02P20/127Y02P20/582C07C11/06C07C11/04
    • Process for producing alkene(s) from a feedstock containing at least one monohydric aliphatic paraffinic alcohol having from 2 to 5 carbon atoms. The process is carried out by 1 converting the monohydric aliphatic paraffinic alcohol(s) containing 2 to 5 carbon atoms in a reactive distillation column at elevated pressure and temperature into a heads stream having the corresponding same carbon number alkene(s) and ether(s), 2 separating the heads stream from step 1 into an ether(s) enriched stream and an alkene(s) enriched stream, 3 recycling at least part of the ether(s) enriched stream from step 2 as a reflux return to the reactive distillation column, 4 simultaneously separating the alkene(s) enriched stream from step 2 into alkene(s) and ether(s), and 5 recycling at least part of the separated ether(s) from step 4 into the reactive distillation column. An alkene(s) stream from step 4 is then recovered.
    • 从含有至少一种具有2至5个碳原子的一元脂族链烷醇的原料生产烯烃的方法。 该方法通过在反应蒸馏塔中在升高的压力和温度下将含有2-5个碳原子的一元脂族链烷醇转化成具有相应相同碳数的烯烃和醚(s) ),2将来自步骤1的头物流分离成富含醚的物流和富含烯烃的物流3,将来自步骤2的至少部分富含乙醚的物流作为回流返回到反应性 蒸馏塔4同时将来自步骤2的富烯烃流分离成烯烃和醚,以及将来自步骤4的至少部分分离的醚再循环到反应蒸馏塔中。 然后回收步骤4的烯烃流。