MOLDING FOR A HYDROPHOBIC ZEOLITIC MATERIAL AND PROCESS FOR ITS PRODUCTION
    12.
    发明申请
    MOLDING FOR A HYDROPHOBIC ZEOLITIC MATERIAL AND PROCESS FOR ITS PRODUCTION 审中-公开
    用于制造水解沸石材料的成型及其生产工艺

    公开(公告)号:US20160250624A1

    公开(公告)日:2016-09-01

    申请号:US15030754

    申请日:2014-10-22

    Applicant: BASF SE

    Abstract: The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.

    Abstract translation: 本发明涉及一种用于生产模制品的方法,包括(I)提供沸石材料; (II)将步骤(I)中提供的沸石材料与一种或多种粘合剂混合; (III)捏合步骤(II)中获得的混合物; (IV)成型步骤(III)中获得的捏合混合物以获得一种或多种模制品; (V)干燥步骤(IV)中获得的一种或多种模制品; 和(VI)煅烧步骤(V)中获得的干燥模塑物; 其中步骤(I)中提供的沸石材料当暴露于85%的相对湿度时显示出1至15重量%的水吸附,以及根据本发明方法获得或获得的模制物,除了 成型本身及其各自的用途。

    SHUTDOWN METHOD FOR A PROCESS FOR PREPARING AN OLEFIN OXIDE

    公开(公告)号:US20240279194A1

    公开(公告)日:2024-08-22

    申请号:US18569645

    申请日:2022-06-14

    CPC classification number: C07D303/04

    Abstract: In a first aspect, the present invention relates to a shutdown method for a process for preparing an olefin oxide comprising a normal run stage, wherein the normal run stage comprises providing olefin, hydrogen peroxide and organic solvent into an epoxidation zone comprising an heterogeneous epoxidation catalyst, so that a reaction mixture comprising olefin, hydrogen peroxide and organic solvent is formed and subjecting the reaction mixture to epoxidation reaction conditions in the epoxidation zone, thereby obtaining a mixture comprising olefin oxide and organic solvent; wherein the shutdown method comprises (a) providing olefin and organic solvent for a period of time t1 to the epoxidation zone, so that a mixture is formed, which is essentially free of hydrogen peroxide; (b) contacting the mixture from (a) over t1 under epoxidation reaction conditions in the epoxidation zone with the heterogeneous epoxidation catalyst; (c) removing during t1 an effluent stream from the epoxidation zone, the effluent stream comprising olefin and organic solvent. In a second aspect, the present invention relates to a process for preparing an olefin oxide comprising a normal run stage and a shutdown stage, wherein the normal run stage comprises (A) providing olefin, hydrogen peroxide, water and organic solvent into an epoxidation zone comprising an heterogeneous epoxidation catalyst, so that a reaction mixture comprising olefin, hydrogen peroxide, water and organic solvent is formed; (B) subjecting the reaction mixture from (I) to epoxidation reaction conditions in the epoxidation zone, thereby obtaining a mixture comprising olefin oxide, water and organic solvent; (C) removing an effluent stream from the epoxidation zone, comprising olefin oxide, water and organic solvent; wherein the shutdown stage comprises steps (a), (b) and (c) as described with respect to the first aspect.

    PROCESS FOR PREPARING PROPYLENE OXIDE
    19.
    发明申请
    PROCESS FOR PREPARING PROPYLENE OXIDE 有权
    制备丙烯氧化物的方法

    公开(公告)号:US20160176834A1

    公开(公告)日:2016-06-23

    申请号:US14907998

    申请日:2014-07-16

    Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a phosphorus oxyacid wherein the molar ratio of potassium relative to phosphorus in the at least one potassium salt of a phosphorus oxyacid is in the range of from 0.6 to 1.4; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MVVW comprising zinc, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane.

    Abstract translation: 一种用于制备环氧丙烷的连续方法,包括(i)提供包含丙烯,过氧化氢,乙腈,水,任选的丙烷和至少一种溶解的含磷酸钾的液体进料流,其中钾相对的摩尔比 在磷氧基酸的至少一种钾盐中的磷在0.6至1.4的范围内; (ii)将(i)中提供的液体进料流送入包含催化剂的环氧化反应器中,所述催化剂包含含锌的结构型MVVW的钛沸石,并使液体进料流在环氧化反应器中进行环氧化反应条件,得到反应混合物 包括环氧丙烷,乙腈,水,所述至少一种溶解的含磷酸的钾盐,任选的丙烯,以及任选的丙烷; (iii)从环氧化反应器中除去流出物流,所述流出物流包含环氧丙烷,乙腈,水,所述至少一种溶解的含磷酸的钾盐,任选的丙烯和任选的丙烷的至少一部分。

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