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    • 10. 发明申请
    • PROCESS FOR REMOVING OXYGENATES FROM AN OLEFIN STREAM
    • 从OLEFIN STREAM去除氧化剂的方法
    • WO2014067967A8
    • 2015-05-21
    • PCT/EP2013072646
    • 2013-10-29
    • SHELL INT RESEARCHSHELL OIL CO
    • KLOTH ANTONIUS GIJSBERTUS JOHANNESSADASIVAN VIJAYAKUMARI SIVAKUMARVAN WESTRENEN JEROEN
    • C07C1/20C07C7/11C07C11/04C07C11/06
    • C07C7/11C07C1/20C07C7/09Y02P30/42Y02P30/464Y02P30/48C07C11/04C07C11/06
    • The invention provides a for the removal of oxygenate from an olefin rich gas stream, the process comprising the steps of: (a) reacting an oxygenate feedstock, comprising oxygenate, in an oxygenate reaction zone in the presence of a catalyst comprising a molecular sieve, at a temperature in the range of from 350 to 1000°C, to produce a reaction effluent stream, comprising at least oxygenate, olefin, water and acidic by-products; (b) cooling the reaction effluent stream and contacting it with a first aqueous stream in a quench zone to produce an aqueous stream and an olefin rich gas stream; (c) compressing the olefin rich gas stream in one or more compressors in series to produce a compressed gas stream, (d) cooling the compressed gas stream and separating condensed material from said gas stream after each of the one or more compressors, wherein after at least one of the one or more compressors in step (c), step (d) is carried out by contacting the compressed gas stream directly with a second aqueous stream and separating the resultant material into an oxygenates depleted gas stream and an aqueous wash stream.
    • 本发明提供了一种用于从富烯烃气流中除去含氧化合物的方法,该方法包括以下步骤:(a)在包含分子筛的催化剂存在下,使含氧化合物的含氧化合物原料在含氧化合物反应区中反应, 在350至1000℃的温度范围内,以产生至少包含含氧化合物,烯烃,水和酸性副产物的反应流出物流; (b)冷却反应流出物流并将其与骤冷区中的第一含水流接触以产生含水流和富烯烃气流; (c)串联压缩一个或多个压缩机中的富烯烃气体流以产生压缩气流,(d)冷却压缩气流,并在每个压缩机中的每一个之后从所述气流中分离冷凝材料, 步骤(c),步骤(d)中的一个或多个压缩机中的至少一个通过使压缩气体流与第二含水流接触并将所得材料分离成含氧化合物贫化气体流和水洗涤流 。