PROCESS FOR PRODUCING ACROLEIN AND GLYCERIN-CONTAINING COMPOSITION
    21.
    发明申请
    PROCESS FOR PRODUCING ACROLEIN AND GLYCERIN-CONTAINING COMPOSITION 有权
    生产丙三醇和含有甘氨酸的组合物的方法

    公开(公告)号:US20100105957A1

    公开(公告)日:2010-04-29

    申请号:US12312883

    申请日:2007-11-28

    IPC分类号: C07C45/42 C07C45/52

    摘要: The present invention provides a process for producing acrolein, which exhibits a prolonged catalyst life, low energy consumption, and excellent efficiency, and which is earth-conscious, and a glycerin-containing composition which can preferably be used even in this process. The process for producing acrolein is one which includes bringing a raw material gas containing glycerin gas into contact with a solid acid catalyst in a reactor, and the partial pressure of the glycerin gas in the raw material gas is set to be from 0.01 to 30 kPa. The glycerin-containing composition is for use in a process for producing acrolein using a solid catalyst and includes a fatty acid and/or a fatty acid ester, and a total mass of the fatty acid and the fatty acid ester is from 0.001% to 5% by mass, relative to the glycerin.

    摘要翻译: 本发明提供一种生产丙烯醛的方法,其具有延长的催化剂寿命,低能量消耗和优异的效率,并且是有意识的,以及即使在该方法中也可优选使用的含甘油的组合物。 制造丙烯醛的方法是将含有甘油气体的原料气体与反应器中的固体酸催化剂接触的方法,将原料气体中的甘油气体的分压设定为0.01〜30kPa 。 含有甘油的组合物用于使用固体催化剂制备丙烯醛的方法,包括脂肪酸和/或脂肪酸酯,脂肪酸和脂肪酸酯的总质量为0.001〜5 相对于甘油为质量%。

    Method for producing alpha - hydroxycarboxylate
    22.
    发明申请
    Method for producing alpha - hydroxycarboxylate 有权
    α-羟基羧酸盐的制备方法

    公开(公告)号:US20050090686A1

    公开(公告)日:2005-04-28

    申请号:US10680919

    申请日:2003-10-08

    IPC分类号: C07C67/40 C07C69/66

    CPC分类号: C07C67/40 C07C69/675

    摘要: The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes. The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3: Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester; Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; and Step 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.

    摘要翻译: 本发明提供了一种更有效地制备α-羟基羧酸酯的方法,其中与现有技术的制备方法相比,由于α-羟基羧酸酯的副反应被抑制或被阻止。 本发明提供了一种制备α-羟基羧酸酯的方法,其包括步骤1至3:步骤1,在氧的存在下,(i)1,2-二醇与1,2-二醇或(ii) 具有醇的1,2-二醇以获得含有α-羟基羧酸酯的反应产物; 步骤2.通过减压蒸馏从步骤1中获得的反应产物中分离α-羟基羧酸酯; 和步骤3.向通过部分或全部从反应产物中除去水而获得的混合物进料步骤1,其中混合物含有未反应的1,2-二醇和/或醇。

    Rare earth supported catalyst useful for preparation of alkanolamines
and process for preparing same
    23.
    发明授权
    Rare earth supported catalyst useful for preparation of alkanolamines and process for preparing same 失效
    用于制备链烷醇胺的稀土担载催化剂及其制备方法

    公开(公告)号:US5880058A

    公开(公告)日:1999-03-09

    申请号:US704244

    申请日:1996-08-28

    CPC分类号: B01J23/10 C07C213/04

    摘要: A process is provided which comprises using a catalyst comprises a rare earth element supported on an inorganic heat-resisting carrier, when a monoethanolamine is selectively prepared by reacting an alkylene oxide with ammonia in a liquid phase. This catalyst has excellent monoalkanolamine selectivity and heat resistance; and therefore, even when the ratio of ammonia to the alkylene oxide is lower compared with cases where other catalysts are used, an equal or more amount of the monoalkanolamine can be formed, and thus the recovery cost of the unreacted ammonia is reduced. Further, since the total amount of the feed raw materials is reduced, apparatuses for the reaction system and recovery system can be made smaller, and thus the cost of equipment is reduced.

    摘要翻译: 提供了一种方法,其包括使用包含负载在无机耐热载体上的稀土元素的催化剂,当通过使环氧烷与氨在液相中反应选择性制备单乙醇胺时。 该催化剂具有优异的单烷醇胺选择性和耐热性; 因此,即使使用氨与环氧烷烃的比例低于其他催化剂的情况,也可以形成等量以上的单链烷醇胺,因此未反应氨的回收成本降低。 此外,由于减少进料原料的总量,因此可以使反应系统和回收系统的装置更小,从而降低设备的成本。

    Process for preparation for alkanolamine, catalyst used in the process
and process for preparation of the catalyst
    24.
    发明授权
    Process for preparation for alkanolamine, catalyst used in the process and process for preparation of the catalyst 失效
    制备链烷醇胺的方法,用于制备催化剂的方法和催化剂的方法

    公开(公告)号:US5599999A

    公开(公告)日:1997-02-04

    申请号:US333329

    申请日:1994-11-02

    CPC分类号: B01J23/10 C07C213/04

    摘要: A process is provided which comprises using a catalyst comprises a rare earth element supported on an inorganic heat-resisting carrier, when a monoethanolamine is selectively prepared by reacting an alkylene oxide with ammonia in a liquid phase. This catalyst has excellent monoalkanolamine selectivity and heat resistance; and therefore, even when the ratio of ammonia to the alkylene oxide is lower compared with cases where other catalysts are used, an equal or more amount of the monoalkanolamine can be formed, and thus the recovery cost of the unreacted ammonia is reduced. Further, since the total amount of the feed raw materials is reduced, apparatuses for the reaction system and recovery system can be made smaller, and thus the cost of equipment is reduced.

    摘要翻译: 提供了一种方法,其包括使用包含负载在无机耐热载体上的稀土元素的催化剂,当通过使环氧烷与氨在液相中反应选择性制备单乙醇胺时。 该催化剂具有优异的单烷醇胺选择性和耐热性; 因此,即使使用氨与环氧烷烃的比例低于其他催化剂的情况,也可以形成等量以上的单链烷醇胺,因此未反应氨的回收成本降低。 此外,由于减少进料原料的总量,因此可以使反应系统和回收系统的装置更小,从而降低设备的成本。

    Process for preparing dialkyl carbonates
    25.
    发明授权
    Process for preparing dialkyl carbonates 失效
    制备碳酸二烷基酯的方法

    公开(公告)号:US5430170A

    公开(公告)日:1995-07-04

    申请号:US155925

    申请日:1993-11-23

    IPC分类号: B01J23/10 C07C68/06 C07C69/96

    CPC分类号: C07C68/065

    摘要: A industrially advantageous process for preparing dialkyl carbonates is provided. The process is characterized in that an alkylene carbonate and an alcohol are subjected to an transesterification in the presence of a catalyst which contains, as the catalytically active component, at least one rare-earth oxide. According to this process, the transesterification progresses rapidly due to the excellent activity of the catalyst, and the catalyst can be readily separated after termination of the reaction, allowing high efficiency isolation and purification of dialkyl carbonate.

    摘要翻译: 提供了一种工业上有利的制备碳酸二烷基酯的方法。 该方法的特征在于,在含有作为催化活性组分的至少一种稀土氧化物的催化剂存在下,将碳酸亚烷基酯和醇进行酯交换反应。 根据该方法,由于催化剂的优异活性,酯交换反应迅速进行,催化剂在反应终止后可以容易地分离,能够高效地分离和纯化碳酸二烷基酯。

    Method of producing ethylenediamines
    26.
    发明授权
    Method of producing ethylenediamines 失效
    生产乙二胺的方法

    公开(公告)号:US5262570A

    公开(公告)日:1993-11-16

    申请号:US2904

    申请日:1993-01-11

    IPC分类号: C07C209/60 C07C209/62

    CPC分类号: C07C209/60

    摘要: A method of producing ethylenediamines represented by the general formula ##STR1## wherein R represents a hydrogen atom, or a methyl or ethyl group, which comprises reacting an aziridine compound of the general formula ##STR2## wherein R is as defined, with ammonia in the gaseous phase in the presence of a solid acid catalyst. In another aspect, a method of producing ethylenediamines of the general formula (I), which comprises reacting a reaction product containing an aziridine compound of the general formula (II), obtained by the gaseous phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR3## wherein X represents the OH group or the NH.sub.2 group, Y represents the NH.sub.2 group when X is the OH group and the OH group when X is the NH.sub.2 group, and R is as defined,in the presence of a catalyst A, with ammonia in the gaseous phase in the presence of a solid acid catalyst (catalyst B).

    摘要翻译: 制备由通式(I)表示的乙二胺的方法,其中R表示氢原子或甲基或乙基,其包括使通式为(II)的氮丙啶化合物(其中R为: 在固体酸催化剂存在下,在气相中用氨气。 另一方面,制备通式(I)的亚乙基二胺的方法,该方法包括使含有由通式(II)表示的链烷醇胺的气态分子内脱水反应获得的通式(II)的氮丙啶化合物的反应产物 式(III)其中X表示OH基团或NH2基团,当X为OH基团时,Y表示NH2基团,当X为NH2基团时为OH基团,R为定义,R为 催化剂A,在固体酸催化剂(催化剂B)的存在下,在气相中具有氨。