ZEOLITE CATALYZED PROCESS FOR THE AMINATION OF ALKYLENE OXIDES

    公开(公告)号:US20210214300A1

    公开(公告)日:2021-07-15

    申请号:US15733839

    申请日:2019-05-29

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the conversion of ethylene oxide to 2-aminoethanol and/or Di(2-hydroxyethyl)amine comprising (i) providing a catalyst comprising a zeolitic material comprising YO2 and X2O3 in its framework structure, wherein Y is a tetravalent element and X is a trivalent element, wherein the zeolitic material has a framework-type structure selected from the group consisting of MFI and/or MEL, including MEL/MFI intergrowths, and wherein the zeolitic material contains one or more rare earth elements; (ii) providing a mixture in the liquid phase comprising ethylene oxide and ammonia; (iii) contacting the catalyst provided in (i) with the mixture in the liquid phase provided in (ii) for converting ethylene oxide to 2-aminoethanol and/or Di(2-hydroxyethyl)amine, wherein the catalyst provided in (i) is obtained and/or obtainable by a process comprising loading one or more salts of the one or more rare earth elements into the pores of the porous structure of the zeolitic material and optionally on the surface of the zeolitic material.

    METHOD FOR PRODUCING AMINO ACIDS
    4.
    发明申请
    METHOD FOR PRODUCING AMINO ACIDS 有权
    生产氨基酸的方法

    公开(公告)号:US20160122288A1

    公开(公告)日:2016-05-05

    申请号:US14893661

    申请日:2014-05-14

    Applicant: BASF SE

    CPC classification number: C07C227/08 C07C229/24 C07C229/22 C07C229/08

    Abstract: Process for the preparation of alkali metal salts of glycine or of racemic α-amino acids of the general formula (I) R1—CH(NH2)—COOH  (I) in which R1 is selected from hydrogen, CH3 , C2H5, CH(CH3)2, (CH2)2COOH and CH2OH, wherein an alkali metal salt of the corresponding α-ketocarboxylic acid or glyoxalic acid is reacted in the presence of at least one heterogeneous catalyst, which comprises at least one transition metal, in the presence of hydrogen with at least one nitrogen compound at temperatures in the range from 50 to 200° C., where the nitrogen compound is selected from primary and secondary amines and ammonia.

    Abstract translation: 制备甘氨酸碱金属盐或通式(I)R 1 -CH(NH 2)-COOH(I)的外消旋α-氨基酸的方法,其中R 1选自氢,CH 3,C 2 H 5,CH(CH 3) )2,(CH 2)2 COOH和CH 2 OH,其中相应的α-酮羧酸或乙醛酸的碱金属盐在至少一种包含至少一种过渡金属的非均相催化剂存在下,在氢气存在下反应 与至少一种氮化合物在50至200℃的温度范围内,其中氮化合物选自伯胺和仲胺和氨。

    METHOD FOR THE MANUFACTURE OR CONVERSION OF ALKANOLAMINES

    公开(公告)号:US20250074865A1

    公开(公告)日:2025-03-06

    申请号:US18728111

    申请日:2023-01-03

    Applicant: BASF SE

    Abstract: A process for the manufacture of alkanolamines and/or a process for the conversion of alkanolamines wherein the process is performed in one or equipment items, wherein one or more steel parts of the one or more equipment items, which have one or more surfaces in contact with an alkanolamine, are made of duplex steel and Use of duplex stainless steel as a construction material for parts of an equipment item used in an alkanolamine and/or alkyleneamine manufacturing process or separation process, which have one or more surfaces in contact with alkyleneamines and/or alkanolamines and the use of duplex steel as a construction material for steel parts of a equipment items used in an alkanolamine manufacturing or conversion process.

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