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    • 32. 发明申请
    • PROCESS FOR PRODUCING OLEFINS
    • 生产油脂的方法
    • US20110137095A1
    • 2011-06-09
    • US12942869
    • 2010-11-09
    • Leslie Andrew CHEWTERHerve HenryJeroen Van Westrenen
    • Leslie Andrew CHEWTERHerve HenryJeroen Van Westrenen
    • C07C2/00B01J10/00C07C4/00
    • C10G57/00C01B3/24C01B3/36C01B3/38C01B3/48C01B2203/0233C01B2203/025C01B2203/0266C01B2203/0283C01B2203/061C01B2203/1241C01B2203/1258C07C1/20C07C11/04C10G3/00C10G3/49C10G3/52C10G9/00C10G2300/1025C10G2400/20Y02P30/20Y02P30/40Y02P30/42C07C9/06C07C11/06
    • The present invention provides a process for producing olefins, comprising: a. providing a feed comprising at least methane, ethane and carbon dioxide; b. separating the feed into at least a methane-comprising feed, an ethane-comprising feed and a carbon dioxide-comprising feed; c. providing at least part of the methane-comprising feed to a process for preparing synthesis gas to obtain a synthesis gas; d. cracking the ethane-comprising feed in a cracking zone under cracking conditions to obtain a cracking zone effluent comprising at least olefins and hydrogen; e. providing at least part of the carbon dioxide-comprising feed and at least part the synthesis gas obtained in step c) to an oxygenate synthesis zone and synthesising oxygenates; f. converting at least part of the oxygenates obtained in step (e) in an oxygenate-to-olefin zone to obtain an oxygenate-to-olefin zone effluent comprising at least olefins and hydrogen; g. combining at least part of the cracking zone effluent and at least part of the OTO zone effluent to obtain a combined effluent; h. separating hydrogen from the combined effluent and providing at least part of the hydrogen to the oxygenate synthesis zone in step (e).
    • 本发明提供一种生产烯烃的方法,包括:a。 提供至少包含甲烷,乙烷和二氧化碳的进料; b。 将进料分离成至少含甲烷的进料,含乙烷的进料和含二氧化碳的进料; C。 将至少部分含甲烷的进料提供到制备合成气以获得合成气的方法; d。 在裂化条件下在裂化区裂解含乙烷的进料,得到至少包含烯烃和氢的裂化区流出物; e。 将至少部分含二氧化碳的进料和至少部分步骤c)中获得的合成气体提供给含氧化合物合成区并合成含氧化合物; F。 将在步骤(e)中获得的含氧化合物的至少一部分转化为含氧化合物至烯烃区域以获得包含至少烯烃和氢的含氧化合物至烯烃区流出物; G。 将至少部分的裂化区流出物和至少部分的OTO区流出物混合以获得组合的流出物; H。 从合并的流出物中分离氢气,并且在步骤(e)中将氢的至少一部分提供给含氧化合物合成区。
    • 33. 发明申请
    • PROCESS FOR THE PREPARATION OF A LOWER OLEFIN PRODUCT
    • 制备低烯烃产品的方法
    • US20110112345A1
    • 2011-05-12
    • US12942861
    • 2010-11-09
    • Leslie Andrew ChewterJeroen Van Westrenen
    • Leslie Andrew ChewterJeroen Van Westrenen
    • C07C4/02
    • C10G57/00C01B3/22C01B3/323C01B2203/0233C01B2203/061C01B2203/065C01B2203/1223C01B2203/1247C07C1/20C10G3/49C10G9/00C10G2300/4081C10G2400/20Y02P30/20Y02P30/42C07C11/04C07C11/06
    • A process for the preparation of an olefin product comprising ethylene and/or propylene, which process comprises the steps ofa) cracking a paraffin feedstock comprising C2-C5 paraffins under cracking conditions in a cracking zone to obtain a cracker effluent comprising olefins; b) converting an oxygenate feedstock in an oxygenate-to-olefins conversion system, comprising a reaction zone in which an oxygenate feedstock is contacted with an oxygenate conversion catalyst under oxygenate conversion conditions, to obtain a conversion effluent comprising ethylene and/or propylene; c) combining at least part of the cracker effluent and at least part of the conversion effluent to obtain a combined effluent, and separating an olefin product stream comprising ethylene and/or propylene from the combined effluent, wherein the paraffin feedstock comprises ethane, and wherein the cracking conditions in the cracking zone are selected such that 60 wt % or less of the ethane in the paraffin feedstock is converted during a single pass through the cracking zone.
    • 一种制备包含乙烯和/或丙烯的烯烃产物的方法,该方法包括以下步骤:a)在裂化区裂化条件下裂化包含C 2 -C 5链烷烃的链烷烃原料以获得包含烯烃的裂化器流出物; b)转化含氧化合物至烯烃转化体系中的含氧化合物原料,其包含其中含氧化合物原料在含氧化合物转化条件下与含氧化合物转化催化剂接触的反应区,以获得包含乙烯和/或丙烯的转化流出物; c)将至少部分裂化器流出物和至少部分转化流出物混合以获得组合流出物,以及从合并的流出物中分离包含乙烯和/或丙烯的烯烃产物流,其中所述链烷烃原料包括乙烷,并且其中 选择裂化区中的裂化条件使得在单次通过裂化区期间,在石蜡原料中的60重量%以下的乙烷被转化。