PROCESS FOR PRODUCING 1,3-BUTADIENE FROM A FEEDSTOCK COMPRISING ETHANOL
    71.
    发明申请
    PROCESS FOR PRODUCING 1,3-BUTADIENE FROM A FEEDSTOCK COMPRISING ETHANOL 有权
    从包含乙醇的饲料生产1,3-丁二烯的方法

    公开(公告)号:US20160376206A1

    公开(公告)日:2016-12-29

    申请号:US15039881

    申请日:2014-11-28

    IPC分类号: C07C1/20 C07C29/04

    摘要: Production of 1,3-butadiene ethanol, that is more than 50% of the total weight of feedstock: A) conversion of feedstock and of ethanol effluent from separation B to a conversion effluent being a majority of 1,3-butadiene, water and ethylene, and to a hydrogen effluent, operating at a pressure between 0.1 and 1.0 MPa, a temperature between 300 and 500° C. in the presence of at least one catalyst; B) separation of conversion effluent originating from A and hydration effluent from C to an ethanol effluent, a butadiene effluent, a water effluent and an ethylene effluent; C) hydration of ethylene fed by ethylene effluent and/or water effluent both from separation B, to produce an ethanol hydration effluent then being recycled to separation B.

    摘要翻译: 本发明涉及从富含乙醇的原料生产1,3-丁二烯的方法,即其中乙醇占所述原料总重量的50%以上,至少包括:A)至少转化的步骤 所述乙醇富集的原料和由分离步骤B产生的乙醇流出物转化为主要包含1,3-丁二烯,水和乙烯的转化流出物,并在温度为0.1至1.0MPa的压力下操作的氢气流出物 在至少一种催化剂存在下,在300℃至500℃之间; B)至少将从A产生的所述转化流出物和由C产生的水合流出物分离成至少乙醇流出物,丁二烯流出物,水流出物和乙烯流出物的步骤; C)至少由所述乙烯流出物和/或所述水流出物供应的乙烯水合步骤,其由分离步骤B产生,以产生包含乙醇的水合流出物,然后将所述水合流出物再循环至分离步骤B.

    PROCESSES FOR THE PREPARATION OF AN OLEFINIC PRODUCT
    72.
    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:US20160355448A1

    公开(公告)日:2016-12-08

    申请号:US15103006

    申请日:2013-12-13

    申请人: SHELL OIL COMPANY

    IPC分类号: C07C1/20

    摘要: The invention provides a process for the preparation of an olefinic product, 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 by means of an indirect heat exchange to provide a cooled reaction effluent stream at a temperature greater than the dew point temperature of reaction effluent stream; (c) passing the cooled reaction effluent stream into a quench tower and contacting the cooled reaction effluent stream with a first aqueous liquid in the presence of at least one set of quench tower internals, to produce a quench tower gaseous stream comprising the olefinic product and a quench tower liquid stream comprising condensed material; and (d) separating the quench tower liquid stream into a hydrocarbon quench tower liquid stream and an aqueous quench tower liquid stream in the presence of one or more coalescers.

    摘要翻译: 本发明提供了一种制备烯烃产物的方法,该方法包括以下步骤:(a)在包含分子筛的催化剂存在下,在含氧化合物反应区中使含氧化合物的含氧化合物原料在温度 在350至1000℃的范围内,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)通过间接热交换冷却反应流出物流,以在高于反应流出物流的露点温度的温度下提供冷却的反应流出物流; (c)将冷却的反应流出物流送入骤冷塔并在至少一组骤冷塔内部存在下将冷却的反应流出物流与第一含水液体接触,以产生包含烯烃产物的骤冷塔气流,和 包括冷凝材料的骤冷塔液流; 和(d)在一种或多种聚结器的存在下将骤冷塔液流分离成烃淬火塔液流和水淬火塔液流。

    PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
    74.
    发明申请
    PROCESS FOR CONVERTING OXYGENATES TO OLEFINS 审中-公开
    将氧化剂转化为油脂的方法

    公开(公告)号:US20160264490A1

    公开(公告)日:2016-09-15

    申请号:US15032810

    申请日:2014-10-30

    申请人: SHELL OIL COMPANY

    IPC分类号: C07C1/20 B01J29/90

    摘要: A process for converting oxygenates to olefins comprising: a) feeding an oxygenate stream to a reactor; b) contacting the oxygenate stream with a molecular sieve catalyst to form products and coke on the catalyst; c) passing the products and entrained catalyst into a first gas/solid separation device to separate the products from the catalyst; d) removing the products from the first gas/solid separation device; e) passing a portion of the catalyst from the reactor to a regenerator; f) regenerating the catalyst in the regenerator by contacting it with a regeneration medium to combust the coke on the catalyst and form combustion products; and g) passing the combustion products and entrained catalyst into a second gas/solid separation device to separate the combustion products from the catalyst wherein the separation efficiency of the first gas/solid separation device is greater than the separation efficiency of the second gas/solid separation device.

    摘要翻译: 一种将含氧物转化成烯烃的方法,包括:a)将含氧化合物物流送入反应器; b)使含氧物流与分子筛催化剂接触以在催化剂上形成产物和焦炭; c)将产物和夹带的催化剂通入第一气/固分离装置以将产物与催化剂分离; d)从第一气/固分离装置中取出产品; e)将一部分催化剂从反应器通入再生器; f)通过使再生器与再生介质接触来再生催化剂,使催化剂上的焦炭燃烧并形成燃烧产物; 并且g)将燃烧产物和夹带的催化剂通入第二气/固分离装置,以将燃烧产物与催化剂分离,其中第一气/固分离装置的分离效率大于第二气/固分离装置的分离效率 分离装置

    Fluidized bed reactor and process for producing olefins from oxygenates
    77.
    发明授权
    Fluidized bed reactor and process for producing olefins from oxygenates 有权
    流化床反应器和从含氧化合物生产烯烃的方法

    公开(公告)号:US09403735B2

    公开(公告)日:2016-08-02

    申请号:US14124502

    申请日:2012-05-30

    摘要: The present invention provides a fluidized bed reactor and its use for producing olefins from oxygenates, the fluidized bed reactor comprises: a reaction zone located in the lower portion of the fluidized bed reactor and comprising a lower dense phase zone and an upper riser, wherein the dense phase zone and the riser are connected with each other transitionally; a separation zone located in the upper portion of the fluidized bed reactor and comprising a settling chamber, a fast gas-solid separation means, a cyclone and a gas collecting chamber, wherein the riser extends upwardly into the separation zone and is connected at its outlet with the inlet of the fast gas-solid separation means, the fast gas-solid separation means is connected at its outlet with the inlet of the cyclone via a fast gas passage, the cyclone is connected at its outlet with the gas collecting chamber, and the gas collecting chamber is located below the reactor outlet and connected therewith; and a catalyst recycle line for recycling the catalyst from the settling chamber back to the dense phase zone, a catalyst withdrawl line for withdrawing the deactivated catalyst from the settling chamber and/or the dense phase zone to the catalyst regeneration means, and a catalyst return line for returning the regenerated catalyst from the catalyst regeneration means to the dense phase zone.

    摘要翻译: 本发明提供了一种流化床反应器及其用于从含氧化合物生产烯烃的用途,该流化床反应器包括:反应区,位于流化床反应器的下部,并包含下部致密相区和上部提升管,其中 密相区和提升管相互连接; 位于流化床反应器上部的分离区,包括沉降室,快速气固分离装置,旋风分离器和气体收集室,其中提升管向上延伸进入分离区并连接在其出口 随着快速气固分离装置的入口,快速气固分离装置通过快速气体通道在其出口与旋风分离器的入口连接,旋风分离器在其出口与气体收集室连接, 气体收集室位于反应器出口下方并与之连接; 以及用于将催化剂从沉降室再循环回密相区域的催化剂再循环管线,用于将去活化催化剂从沉降室和/或致密相区域抽出到催化剂再生装置的催化剂提取管线和催化剂返回 用于将再生催化剂从催化剂再生装置返回到致密相区的管线。

    Process and plant for producing C2-C4 olefins from methanol and/or dimethyl ether with increased yield
    79.
    发明授权
    Process and plant for producing C2-C4 olefins from methanol and/or dimethyl ether with increased yield 有权
    从甲醇和/或二甲醚生产C2-C4烯烃的方法和装置,产率提高

    公开(公告)号:US09359272B2

    公开(公告)日:2016-06-07

    申请号:US11993714

    申请日:2006-06-23

    IPC分类号: C07C1/20 C07C4/06

    摘要: A process and a plant for producing C2-C4 olefins, in particular propylene, from an educt mixture containing steam as well as methanol vapor and/or dimethyl ether vapor. The educt mixture is reacted in at least one first reactor on a granular, form-selective zeolite catalyst to obtain a reaction mixture including low-molecular olefins and gasoline hydrocarbons, which in a first separating device is separated into a mixture rich in C2-C4 olefins, a mixture rich in C5+ gasoline hydrocarbons, and an aqueous phase, wherein the mixture rich in gasoline hydrocarbons is mixed with an inert medium, the mixture thus obtained is reacted in at least one second reactor on a granular zeolite catalyst to obtain a product mixture including C2-C4 olefins, and this product mixture is recirculated to the first separating device, and wherein the mixture rich in C5+ gasoline hydrocarbons is separated in a second separating device into a product stream containing C5-C6 hydrocarbons and a product stream containing C7+ hydrocarbons, before being supplied to the second reactor, and only the product stream containing C7+ hydrocarbons is supplied to the second reactor, whereas the product stream containing C5-C6 hydrocarbons together with the educt mixture is supplied to the at least one first reactor.

    摘要翻译: 一种用于由含有蒸汽以及甲醇蒸汽和/或二甲醚蒸气的离析混合物生产C 2 -C 4烯烃,特别是丙烯的方法和设备。 在颗粒形式选择性沸石催化剂上的至少一个第一反应器中使该离子混合物反应,得到包含低分子烯烃和汽油烃的反应混合物,其在第一分离装置中分离成富含C 2 -C 4 烯烃,富含C5 +汽油烃的混合物和水相,其中将富含汽油烃的混合物与惰性介质混合,由此得到的混合物在至少一个第二反应器中在颗粒状沸石催化剂上反应,得到产物 混合物包括C 2 -C 4烯烃,并将该产物混合物再循环到第一分离装置,并且其中富含C5 +汽油烃的混合物在第二分离装置中分离成含有C 5 -C 6烃的产物流和含有C 7+ 烃,然后供应到第二反应器,并且仅将含有C7 +烃的产物流供应到第二反应器 将包含C5-C6烃与产物混合物的产物流一起供应至至少一个第一反应器。