Process for the production of alcohols
    11.
    发明授权
    Process for the production of alcohols 有权
    醇的生产方法

    公开(公告)号:US09012694B2

    公开(公告)日:2015-04-21

    申请号:US14368569

    申请日:2012-12-21

    Abstract: The present invention provides a process for the production of aldehydes and/or alcohols, which process comprises the steps of: (a) reacting an oxygenate and/or olefinic feed in a reactor in the presence of a molecular sieve catalyst to form an effluent comprising olefins, comprising propylene; (b) separating the effluent comprising olefins as obtained in step (a) into at least a first olefinic product fraction comprising propylene and a second olefinic product fraction; (c) subjecting at least part of the first olefinic product fraction as obtained in step (b) to a hydroformylation process to form aldehydes; (d) separating at least part of the aldehydes as obtained in step (c) into at least a first product fraction of aldehydes and a second product fraction of aldehydes; and (e) hydrogenating at least part of the aldehydes in the first and/or second product fraction of aldehydes as obtained in step (d) to form a first product fraction of alcohols and/or a second product fraction of alcohols; (f) recycling at least part of the first and/or second product fraction of alcohols obtained in step (e) to step (a).

    Abstract translation: 本发明提供了一种生产醛和/或醇的方法,该方法包括以下步骤:(a)在分子筛催化剂存在下使反应器中的含氧化合物和/或烯烃进料反应形成流出物,其包含 烯烃,包括丙烯; (b)将步骤(a)中获得的包含烯烃的流出物分离成至少包含丙烯和第二烯属产物馏分的第一烯烃产物级分; (c)将步骤(b)中获得的至少部分第一烯属产物级分进行加氢甲酰化过程以形成醛; (d)将步骤(c)中获得的至少一部分醛分离成至少醛的第一产物级分和醛的第二产物级分; 和(e)将步骤(d)中获得的醛的第一和/或第二产物级分中的至少部分醛氢化以形成醇的第一产物级分和/或醇的第二产物级分; (f)将步骤(e)中获得的醇的第一和/或第二产物馏分的至少一部分再循环到步骤(a)。

    Process for preparing lower olefins from an oxygenate
    12.
    发明授权
    Process for preparing lower olefins from an oxygenate 有权
    从含氧化合物制备低级烯烃的方法

    公开(公告)号:US08946496B2

    公开(公告)日:2015-02-03

    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
    13.
    发明授权
    Process for preparing an epoxide from an oxygenate 有权
    从含氧化合物制备环氧化物的方法

    公开(公告)号:US08822710B2

    公开(公告)日:2014-09-02

    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。

    Process for preparing an epoxide from an oxygenate
    14.
    发明授权
    Process for preparing an epoxide from an oxygenate 有权
    从含氧化合物制备环氧化物的方法

    公开(公告)号:US08822709B2

    公开(公告)日:2014-09-02

    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: 本发明涉及一种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。

    Process for the preparation of an olefinic product comprising ethylene and/or propylene
    16.
    发明授权
    Process for the preparation of an olefinic product comprising ethylene and/or propylene 有权
    制备包含乙烯和/或丙烯的烯烃产物的方法

    公开(公告)号:US09505669B2

    公开(公告)日:2016-11-29

    申请号:US14655343

    申请日:2013-12-24

    Abstract: The invention provides a process for the preparation of an olefinic product comprising ethylene and/or propylene comprising: a) steam cracking a paraffinic feedstock to obtain an effluent comprising olefins; b) converting an oxygenate to obtain a gaseous effluent comprising olefins; c) subjecting both effluents to water removal and compression steps, wherein the effluents are combined before the water removal step, between the water removal and the compression steps or after the compression step to obtain a combined gaseous effluent; d) removing acid gas from the combined gaseous effluent obtained in step c), wherein the combined gaseous effluent is treated with a caustic solution in a caustic tower and a non-aqueous liquid stream comprising one or more aromatic C7+ hydrocarbons is added to the caustic solution to control the formation of red oil, to obtain a treated gaseous effluent; and e) separating the olefinic product from the treated gaseous effluent.

    Abstract translation: 本发明提供了一种制备包含乙烯和/或丙烯的烯烃产物的方法,包括:a)蒸汽裂解链烷烃原料以获得包含烯烃的流出物; b)转化含氧化合物以获得包含烯烃的气态流出物; c)使两种废水进行除水和压缩步骤,其中在除水步骤之前,在除水和压缩步骤之间或在压缩步骤之后组合废水以获得组合的气态流出物; d)从步骤c)中得到的组合的气态流出物中除去酸性气体,其中将合并的气态流出物用苛性塔中的苛性碱溶液处理,将包含一种或多种芳族C 7 +烃的非水液体流加入到苛性碱 解决方案来控制红油的形成,得到经处理的气态流出物; 和e)从处理的气态流出物中分离出烯属产物。

    Integrated process for the preparation of an aromatic product
    17.
    发明授权
    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:US09221726B2

    公开(公告)日:2015-12-29

    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)。

    PROCESSES FOR THE PREPARATION OF AN OLEFINIC PRODUCT
    18.
    发明申请
    PROCESSES FOR THE PREPARATION OF AN OLEFINIC PRODUCT 有权
    制备烯烃产品的方法

    公开(公告)号:US20150284302A1

    公开(公告)日:2015-10-08

    申请号:US14439389

    申请日:2013-10-29

    Abstract: The invention provides a process for the preparation of an olefinic product, the comprising:(a) reacting an oxygenate to produce an effluent stream, comprising at least oxygenate, olefin, water and acidic by-products; (b) cooling the effluent stream by means of an indirect heat exchange to a temperature greater than the dew point temperature of effluent stream; (c) further rapidly cooling the effluent stream to a temperature at or lower than the dew point temperature of the reaction effluent stream by direct injection of a first aqueous liquid into the effluent stream, to form a quench effluent stream; (d) separating the first quench effluent stream into a liquid quench stream and a gaseous quench stream; and passing the gaseous quench stream into a quench tower and contacting the gaseous quench stream with a second aqueous liquid, to produce a quench tower gaseous stream comprising the olefinic product.

    Abstract translation: 本发明提供了制备烯烃产物的方法,其包括:(a)使含氧化合物反应以产生流出物流,至少包含含氧化合物,烯烃,水和酸性副产物; (b)通过间接热交换将流出物流冷却到大于流出物流的露点温度的温度; (c)通过将第一含水液体直接注入流出物流中,将流出物流进一步快速冷却至等于或低于反应流出物流的露点温度的温度,以形成骤冷流出物流; (d)将第一骤冷流出物流分离成液体骤冷流和气态骤冷流; 并将气态骤冷料流送入骤冷塔并将气态骤冷料流与第二含水液体接触,以产生包含烯烃产物的骤冷塔气流。

    Process for removing oxygenate from an olefin stream
    19.
    发明授权
    Process for removing oxygenate from an olefin stream 有权
    从烯烃流中除去含氧化合物的方法

    公开(公告)号:US09115103B2

    公开(公告)日:2015-08-25

    申请号:US14136222

    申请日:2013-12-20

    Abstract: The present invention relates to a process for producing an olefinic product, comprising (a) preparing a reaction product by converting an oxygenate-comprising feedstock in an oxygenate to olefin process, the reaction product comprising at least C2+ olefins and DME, (b) separating at least part of the reaction product by means of extractive distillation using a butanol solvent into: (i) a first fraction comprising C3− olefins and butanol; and (ii) a second fraction comprising C4+ olefins, DME and butanol; (c) separating the first fraction into: (iii)a C3− olefinic product; and (iv) a third fraction comprising butanol; (d) separating the second fraction into: (v) a DME-comprising C4-C5 olefinic product; and (vi) a fourth fraction comprising butanol and C6+ olefins, wherein at least part of the third and/or fourth fraction are recycled to step (b) together with or as part of the butanol solvent.

    Abstract translation: 本发明涉及一种制备烯烃产品的方法,包括(a)通过将含氧化合物的原料在含氧化合物转化为烯烃方法来制备反应产物,所述反应产物至少包含C2 +烯烃和DME,(b)分离 至少部分反应产物通过使用丁醇溶剂的萃取蒸馏进入:(i)包含C 3 - 烯烃和丁醇的第一级分; 和(ii)包含C4 +烯烃,DME和丁醇的第二级分; (c)将第一部分分离成:(iii)C3-烯烃产物; 和(iv)包含丁醇的第三级分; (d)将第二部分分离成:(v)包含DME的C 4 -C 5烯烃产物; 和(vi)包含丁醇和C 6 +烯烃的第四馏分,其中第三和/或第四馏分的至少一部分与丁醇溶剂一起或作为丁醇溶剂的一部分再循环到步骤(b)。

    Process for removing oxygenate from an olefin stream
    20.
    发明授权
    Process for removing oxygenate from an olefin stream 有权
    从烯烃流中除去含氧化合物的方法

    公开(公告)号:US09115037B2

    公开(公告)日:2015-08-25

    申请号:US14136189

    申请日:2013-12-20

    Abstract: The present invention relates to a process for removing dimethylether from an olefin stream comprising dimethylether, comprising: (a) providing to an oxygenate recovery zone the olefin stream comprising dimethylether and a methanol-comprising solvent, treating the olefin stream comprising dimethylether with the methanol comprising solvent, and retrieving at least a dimethylether-depleted, methanol-comprising olefin stream; and (b) providing to the oxygenate recovery zone a non-aqueous C2 to C4 alcohol solvent and treating the dimethylether-depleted, methanol-comprising olefin stream with the non-aqueous C2 to C4 alcohol solvent, and retrieving from the oxygenate recovery zone at least an olefinic product that is depleted in dimethylether and methanol and a spent solvent comprising at least one C2 to C4 alcohol and methanol.

    Abstract translation: 本发明涉及从包含二甲醚的烯烃流中除去二甲醚的方法,包括:(a)向含氧物回收区提供包含二甲醚和含甲醇溶剂的烯烃流,用包含二甲醚的甲醇处理包含 溶剂,并回收至少二甲醚耗尽的含甲醇的烯烃流; 和(b)向含氧物回收区提供非水性C2至C4醇溶剂,并用非水性C2至C4醇溶剂处理二甲醚耗尽的含甲醇的烯烃流,并从含氧化合物回收区 至少一种贫二甲醚和甲醇的烯烃产物和包含至少一种C 2至C 4醇和甲醇的废溶剂。

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