FAST FLUIDIZED-BED REACTOR, DEVICE, AND METHOD USING OXYGEN-CONTAINING COMPOUND FOR MANUFACTURING PROPENE OR C4 HYDROCARBON

    公开(公告)号:EP3530639A1

    公开(公告)日:2019-08-28

    申请号:EP16919364.6

    申请日:2016-10-19

    摘要: The present invention refers to a fast fluidized-bed reactor, device and method for preparing propylene and C4 hydrocarbons from oxygen-containing compounds. The device comprises the fast fluidized-bed reactor and a fluidized-bed regenerator for regenerating a catalyst. The method includes: a) feeding a raw material containing the oxygen-containing compounds from n reactor feed distributors to a dense phase zone of the fast fluidized-bed reactor, and contacting the raw material with a catalyst, to generate a stream containing target product and a spent catalyst containing carbon; b) sending the stream discharged from the fast fluidized-bed reactor containing target product into a product separation system, obtaining propylene, C4 hydrocarbons, light fractions and the like after separation, returning 70 wt.% or more of the light fractions to the dense phase zone of the fast fluidized-bed reactor from the reactor feed distributor at the bottom-most of the fast fluidized-bed reactor, and reacting ethylene and the oxygen-containing compounds to perform an alkylation reaction in presence of the catalyst, to produce products of propylene and the like. The method and device of the present invention improve the reaction rate of ethylene alkylation, and the unit volume production capacity of reactor is high.

    METHYL ACETATE PREPARATION METHOD
    84.
    发明公开

    公开(公告)号:EP3326996A1

    公开(公告)日:2018-05-30

    申请号:EP15898802.2

    申请日:2015-12-08

    IPC分类号: C07C67/37 C07C69/14

    摘要: The present invention provides a method for producing methyl acetate, and the method comprises a step in which dimethyl ether and a raw gas containing carbon monoxide and hydrogen go through a reactor loaded with a catalyst for carrying out a carbonylation reaction; wherein the catalyst contains an acidic EMT zeolite molecular sieve. The present invention has provided a new method for producing methyl acetate. In the method of the present invention, the carbonylation is carried out in the presence of the catalyst containing the acidic EMT zeolite molecular sieve, and the reaction activity is high, and the stability has been significantly improved, meeting the requirement of industrial production.

    METHOD FOR PREPARING DOUBLE-SEALED-END GLYCOL ETHER
    86.
    发明公开
    METHOD FOR PREPARING DOUBLE-SEALED-END GLYCOL ETHER 审中-公开
    制备双封端乙二醇醚的方法

    公开(公告)号:EP3239124A1

    公开(公告)日:2017-11-01

    申请号:EP14908675.3

    申请日:2014-12-22

    IPC分类号: C07C41/14 C07C43/10

    摘要: Disclosed is a method for preparing a double end capped glycol ether, the method comprising: introducing into a reactor a raw material comprising a glycol monoether and a monohydric alcohol ether, and enabling the raw material to contact and react with an acidic molecular sieve catalyst to generate a double end capped glycol ether, a reaction temperature being 50-300°C, a reaction pressure being 0.1-15 MPa, a WHSV of the glycol monoether in the raw material being 0.01-15.0 h -1 , and a mole ratio of the monohydric alcohol ether to the glycol monoether in the raw material being 1-100:1. The method of the present invention enables a long single-pass lifespan of the catalyst and repeated regeneration, has a high yield and selectivity of a target product, low energy consumption during separation of the product, a high economic value of a by-product, and is flexible in production scale and application.

    摘要翻译: 本发明公开了一种制备双封端乙二醇醚的方法,所述方法包括:将包含乙二醇单醚和一元醇醚的原料引入反应器中,并使所述原料与酸性分子筛催化剂接触并反应以 产生双封端乙二醇醚,反应温度为50-300℃,反应压力为0.1-15MPa,原料中乙二醇单醚的WHSV为0.01-15.0 h -1,摩尔比为 原料中一元醇醚与乙二醇单醚的摩尔比为1:100:1。 本发明的方法能够实现催化剂和重复再生的长单程寿命,具有目标产物的高收率和选择性,分离产物时的低能量消耗,副产物的高经济价值, 生产规模和应用灵活。

    HIERARCHICAL POROUS MATERIAL AND PREPARATION METHOD THEREFOR
    87.
    发明公开
    HIERARCHICAL POROUS MATERIAL AND PREPARATION METHOD THEREFOR 审中-公开
    层状多孔材料及其制备方法

    公开(公告)号:EP3231512A1

    公开(公告)日:2017-10-18

    申请号:EP14894183.4

    申请日:2014-12-19

    摘要: This invention belongs to the field of nanomaterials. Specifically relates to a kind of hierarchical porous material and its preparation method. A kind of hierarchical porous material is disclosed, and said hierarchical porous material is composed of primary pore aggregates, the primary pore aggregates get together and formed the secondary pore aggregates, then the secondary pore aggregates connect to each other formed the hierarchical porous material; there are primary pores on said primary pore aggregates wherein the diameter of primary pore is 5∼500 nm; there are secondary pores on said secondary pore aggregates wherein the diameter of secondary pore is 1∼5 µm. Compared with existing technology, said hierarchical porous materials of this invention has apparent advantages of large surface area, high usage of precious metal and so on, which facilitating its mass transfer reaction when used as oxygen reduction reaction catalysts and other special applications. The preparation method of said hierarchical porous materials of this invention is green, simple, easy and low-cost as well as controllable pore size and porosity of hierarchical porous materials during preparation. When said hierarchical porous materials is used as oxygen reduction reaction (ORR) catalysts or photocatalysts, the catalytic activity can be improved significantly.

    摘要翻译: 本发明属于纳米材料领域。 具体涉及一种层次多孔材料及其制备方法。 本发明公开了一种分级多孔材料,所述分级多孔材料由初级孔隙聚集体组成,初级孔隙聚集体聚集形成次级孔隙聚集体,次级孔隙聚集体相互连接形成分级多孔材料; 在所述主要孔隙聚集体上存在主要孔隙,其中主要孔隙的直径为5〜500nm; 所述次生孔隙聚集体上有次生孔隙,其次生孔径为1〜5μm。 与现有技术相比,本发明的分级多孔材料具有表面积大,贵金属使用率高等优点,有利于作为氧还原反应催化剂等特殊用途时的传质反应。 本发明所述分级多孔材料的制备方法是绿色的,简单,容易且成本低廉,并且制备过程中分层多孔材料的孔径和孔隙率可控。 当所述分级多孔材料用作氧还原反应(ORR)催化剂或光催化剂时,催化活性可显着提高。

    METHOD FOR PREPARING METHYL FORMATE AND COPRODUCING DIMETHYL ETHER
    88.
    发明公开
    METHOD FOR PREPARING METHYL FORMATE AND COPRODUCING DIMETHYL ETHER 审中-公开
    制备甲酸甲酯和生产二甲醚的方法

    公开(公告)号:EP3222609A1

    公开(公告)日:2017-09-27

    申请号:EP14906419.8

    申请日:2014-11-17

    摘要: The present invention provides a method for preparing methyl formate and coproducing dimethyl ether. A raw material containing formaldehyde and methanol is introduced into a First Reaction Region contacting with a Catalyst A to react, and the post-reaction material is separated to obtain Constituent I.
    The Constituent I is introduced into a Second Reaction Region contacting with a Catalyst B to react, and the post-reaction material separating is separated to obtain methyl formate, dimethyl ether and Constituent II. At least 1% of dimethyl ether is taken as product, and the rest of dimethyl ether is recycled to the First Reaction Region. The Constituent II is recycled to the Second Reaction Region. In the raw material, the molar ratio range of formaldehyde to methanol is from 1:4 to 1:0.05, and the molar of formaldehyde and methanol are calculated according to the molar of carbon atoms contained in formaldehyde and methanol, respectively. The weight hourly space velocity of formaldehyde in the raw material ranges from 0.01 h -1 to 15.0 h -1 . The reaction temperature of the First Reaction Region ranges from 50°C to 100°C. The reaction temperature range of the Second Reaction Region is from 50°C to 200°C, and the reaction pressure range is from 0.1 MPa to 10 MPa. Each component is gaseous phase and/or liquid phase, independently. The method shows benefits, including a long catalyst life, a mild reaction condition, a high utilization ratio of raw materials, an achievement of continuous production and an application potential of large scale industrial.

    摘要翻译: 本发明提供了一种制备甲酸甲酯和联产二甲醚的方法。 将含有甲醛和甲醇的原料引入到与催化剂A接触的第一反应区中以进行反应,并将后反应物分离以获得组分I.将组分I引入到与催化剂B接触的第二反应区中 进行反应,分离后反应物分离得到甲酸甲酯,二甲醚和组分II。 将至少1%的二甲醚作为产物,其余的二甲醚再循环至第一反应区。 组分II被回收到第二反应区。 在原料中,甲醛与甲醇的摩尔比范围为1:4〜1:0.05,甲醛与甲醇的摩尔数分别根据甲醛与甲醇中所含碳原子的摩尔数计算。 原料中甲醛的重时空速范围为0.01 h-1至15.0 h-1。 第一反应区的反应温度范围为50℃至100℃。 第二反应区域的反应温度范围为50℃至200℃,反应压力范围为0.1MPa至10MPa。 每个组分独立地是气相和/或液相。 该方法具有催化剂使用寿命长,反应条件温和,原料利用率高,连续生产成本高,具有大规模工业应用潜力等优点。

    METHOD FOR PREPARING PARAXYLENE AND PROPYLENE BY METHANOL AND/OR DIMETHYL ETHER
    90.
    发明公开
    METHOD FOR PREPARING PARAXYLENE AND PROPYLENE BY METHANOL AND/OR DIMETHYL ETHER 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON PARAXYLOL UND PROPYLEN DURCH METHANOL UND / ODER DIMETHYLETHER

    公开(公告)号:EP3153489A1

    公开(公告)日:2017-04-12

    申请号:EP14894126.3

    申请日:2014-06-04

    发明人: LIU, Zhongmin XU, Lei

    IPC分类号: C07C1/20 C07C11/06 C07C15/08

    摘要: This invention relates to a method for preparing p-xylene and propylene from methanol and/or dimethyl ether. This method comprises coupling two reaction processes, an aromatization reaction of methanol and/or dimethyl ether and an alkylation reaction of ethylene with methanol and/or dimethyl ether. The method of this invention produces p-xylene and propylene with a high selectivity by returning an ethylene-enriched component in reaction byproducts from preparation of p-xylene from methanol and/or dimethyl ether to the reaction system for performing alkylation reaction with methanol and/or dimethyl ether in the presence of catalysts.

    摘要翻译: 本发明涉及从甲醇和/或二甲醚制备对二甲苯和丙烯的方法。 该方法包括偶联两个反应过程,甲醇和/或二甲醚的芳构化反应和乙烯与甲醇和/或二甲醚的烷基化反应。 本发明的方法通过使来自甲醇和/或二甲醚的对二甲苯制备的反应副产物中的富含乙烯的组分返回到与甲醇和/或二甲醚进行烷基化反应的反应体系,从而产生高选择性的对二甲苯和丙烯, 或二甲醚在催化剂存在下进行。