PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE
    2.
    发明申请
    PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE 审中-公开
    制备乙烯和/或丙烯的方法

    公开(公告)号:US20140148631A1

    公开(公告)日:2014-05-29

    申请号:US13932296

    申请日:2013-07-01

    Abstract: The present invention provides a process for preparing ethylene and/or propylene, wherein an oxygenate feedstock is contacted with a zeolite-comprising catalyst at a temperature in the range of from 500 to 700° C. to obtain a reactor effluent comprising ethylene and/or propylene and the oxygenate feedstock is contacted with the catalyst in a riser reactor having a reactor wall defining a flow trajectory towards a downstream outlet for reactor effluent, wherein at least oxygenate feedstock and catalyst are provided at one or more upstream inlets of the riser reactor and wherein C5 olefins are admitted to the riser reactor at one or more of locations along the length of the flow trajectory. The invention further provides a reaction system suitable for preparing ethylene and propylene.

    Abstract translation: 本发明提供一种制备乙烯和/或丙烯的方法,其中在500-700℃的温度下,含氧化合物原料与含沸石的催化剂接触,以获得包含乙烯和/或 丙烯和含氧化合物原料在具有反应器壁的提升管反应器中与催化剂接触,反应器壁限定朝向下游出口进行反应器流出物的流动轨迹,其中在提升管反应器的一个或多个上游入口处提供至少含氧化合物原料和催化剂, 其中C5烯烃在沿着流动轨迹的长度的一个或多个位置处进入提升管反应器。 本发明还提供了适用于制备乙烯和丙烯的反应体系。

    A PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
    3.
    发明申请
    A PROCESS FOR CONVERTING OXYGENATES TO OLEFINS 审中-公开
    将氧化剂转化为烯烃的方法

    公开(公告)号:US20160251277A1

    公开(公告)日:2016-09-01

    申请号:US15032798

    申请日:2014-10-30

    Abstract: A process for converting oxygenates to olefins comprising: a) contacting an oxygenate containing stream with a molecular sieve catalyst under oxygenate to olefins conversion conditions in a reactor to form an effluent comprising olefins and entrained solids; b) removing the effluent from the reactor; and c) passing the effluent to a cyclone for separation of the olefins from any entrained solids wherein at least one of the inner surfaces of the cyclone is coated with a protective layer.

    Abstract translation: 一种将含氧化合物转化成烯烃的方法,包括:a)在含氧化合物的含氧化合物流与分子筛催化剂在反应器中的烯烃转化条件下接触以形成包含烯烃和夹带固体的流出物; b)从反应器中除去流出物; 和c)将流出物送至旋风分离器,以将烯烃与任何夹带的固体分离,其中旋风分离器的至少一个内表面涂有保护层。

    Process for Converting Oxygenates to Olefins
    4.
    发明申请
    Process for Converting Oxygenates to Olefins 审中-公开
    将氧化剂转化为烯烃的方法

    公开(公告)号:US20150119617A1

    公开(公告)日:2015-04-30

    申请号:US14526578

    申请日:2014-10-29

    Abstract: A process for converting oxygenates to olefins comprising: a) contacting an oxygenate containing stream with a molecular sieve catalyst in an oxygenate to olefins conversion reactor under oxygenate to olefins conversion conditions to form an effluent comprising olefins; b) quenching the effluent by contacting with water; and c) contacting the quenched olefin stream with a molecular sieve to remove at least a portion of the water from the quenched olefin stream wherein the molecular sieve has a dimethyl ether adsorption capacity of less than 0.1 wt %.

    Abstract translation: 一种将含氧化合物转化成烯烃的方法,包括:a)在含氧化合物至烯烃转化条件下将含氧化合物流与分子筛催化剂在含氧化合物中接触至烯烃转化反应器以形成包含烯烃的流出物; b)通过与水接触淬灭流出物; 和c)使所述淬灭的烯烃流与分子筛接触以从骤冷的烯烃流中除去至少一部分水,其中所述分子筛具有小于0.1重量%的二甲醚吸附能力。

    PROCESS FOR PREPARING LOWER OLEFINS FROM AN OXYGENATE
    5.
    发明申请
    PROCESS FOR PREPARING LOWER OLEFINS FROM AN OXYGENATE 有权
    从氧气中制备较低油脂的方法

    公开(公告)号:US20130172644A1

    公开(公告)日:2013-07-04

    申请号:US13727869

    申请日:2012-12-27

    Abstract: The invention relates to a process for preparing lower olefins from an oxygenate, the process comprising: subjecting C4 hydrocarbons obtained in an oxygenate-to-olefins conversion step to extractive distillation to an etherification step to convert isobutene into an alkyl tertiary butyl ether to obtain an isobutene-depleted C4 hydrocarbon stream and alkyl tertiary-butyl ether;subjecting the isobutene-depleted C4 hydrocarbon stream to extractive distillation to obtain a stream enriched in unsaturated C4 hydrocarbons and a stream enriched in saturated C4 hydrocarbons; and recycling at least part of the stream enriched in unsaturated C4 hydrocarbons and/or at least part of the alkyl tertiary-butyl ether to the oxygenate-to-olefins conversion step.

    Abstract translation: 本发明涉及一种从含氧化合物制备低级烯烃的方法,该方法包括:将在含氧化合物 - 烯烃转化步骤中获得的C4烃进行萃取蒸馏至醚化步骤,将异丁烯转化为烷基叔丁基醚,得到 异丁烯耗尽的C4烃流和烷基叔丁基醚; 使异丁烯贫化的C4烃流进行萃取蒸馏以获得富含不饱和C4烃的流和富含饱和C 4烃的流; 以及将富含不饱和C4烃和/或至少部分烷基叔丁基醚的至少一部分物流循环到含氧化合物 - 烯烃转化步骤。

    PROCESS FOR PREPARING AN EPOXIDE FROM AN OXYGENATE
    6.
    发明申请
    PROCESS FOR PREPARING AN EPOXIDE FROM AN OXYGENATE 有权
    从氧化剂制备环氧化物的方法

    公开(公告)号:US20130096329A1

    公开(公告)日:2013-04-18

    申请号:US13653135

    申请日:2012-10-16

    CPC classification number: C07D301/19 Y02P20/125

    Abstract: The invention relates to an integrated process for preparing an epoxide from an oxygenate, wherein the oxygenate is converted into a lower olefin and the lower olefin is subsequently epoxidised, and wherein isobutane obtained after hydrogenation and subsequent normal/iso separation of C4 hydrocarbons obtained as by-product of the oxygenate conversion, is converted into a hydroperoxide that is used for the conversion of the lower olefin into the corresponding epoxide.

    Abstract translation: 本发明涉及从含氧化合物制备环氧化物的综合方法,其中将含氧化合物转化为低级烯烃,随后将低级烯烃环氧化,并且其中在氢化之后获得的异丁烷和随后的正如/ - 含氧化合物转化率的产物转化成用于将低级烯烃转化成相应的环氧化物的氢过氧化物。

    INTEGRATED PROCESS FOR THE PREPARATION OF AN AROMATIC PRODUCT
    9.
    发明申请
    INTEGRATED PROCESS FOR THE PREPARATION OF AN AROMATIC PRODUCT 有权
    用于制备芳香族产品的综合方法

    公开(公告)号:US20130165716A1

    公开(公告)日:2013-06-27

    申请号:US13727778

    申请日:2012-12-27

    Abstract: A process preparing an aromatic product comprising xylene, the process comprising: a) cracking a feedstock to obtain a cracker effluent comprising olefins and aromatics; b) converting an oxygenate feedstock in an oxygenate-to-olefins conversion system, comprising a reaction zone in which an oxygenate feedstock is contacted with a catalyst to obtain a conversion effluent comprising benzene, toluene, xylene and olefins; c) combining at least part of the cracker effluent and at least part of the conversion effluent to obtain a combined effluent, the combined effluent comprising aromatics; d) separating at least a portion of the benzene and/or toluene from the combined effluent to form a benzene and/or toluene stream; e) separating the olefins from the combined effluent; f) separating xylene from the combined effluent to form a xylene stream; and g) recycling at least a part of the benzene and/or toluene streams as recycled aromatics to step b).

    Abstract translation: 一种制备包含二甲苯的芳族产物的方法,该方法包括:a)裂化原料以获得包含烯烃和芳族化合物的裂化器流出物; 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与催化剂接触的反应区,以获得包含苯,甲苯,二甲苯和烯烃的转化流出物; 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的流出物,所述组合流出物包含芳族化合物; d)将苯和/或甲苯的至少一部分与合并的流出物分离以形成苯和/或甲苯料流; e)从合并的流出物中分离烯烃; f)从合并的流出物中分离二甲苯以形成二甲苯流; 和g)将至少一部分苯和/或甲苯物流作为再循环芳烃回收至步骤b)。

    PROCESS FOR PREPARING AN EPOXIDE FROM AN OXYGENATE
    10.
    发明申请
    PROCESS FOR PREPARING AN EPOXIDE FROM AN OXYGENATE 有权
    从氧化剂制备环氧化物的方法

    公开(公告)号:US20130096328A1

    公开(公告)日:2013-04-18

    申请号:US13653116

    申请日:2012-10-16

    CPC classification number: C07D301/19 Y02P20/125

    Abstract: The invention relates to an integrated process for preparing an epoxide from an oxygenate, wherein the production of a lower olefin from the oxygenate and the subsequent epoxidation of the lower olefin is combined and wherein isobutene, a by-product of the lower olefin production, is converted into a hydroperoxide that is used for the conversion of the lower olefin into the corresponding epoxide.

    Abstract translation: 本发明涉及从含氧化合物制备环氧化物的综合方法,其中从含氧化合物制备低级烯烃和随后的低级烯烃环氧化合并,其中异丁烯是较低烯烃生产的副产物是 转化为用于将低级烯烃转化成相应的环氧化物的氢过氧化物。

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