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    PROCESS FOR PREPARING AN OLEFIN OXIDE
    1.
    发明公开
    PROCESS FOR PREPARING AN OLEFIN OXIDE 审中-公开

    公开(公告)号：US20240158361A1

    公开(公告)日：2024-05-16

    申请号：US18280742

    申请日：2022-03-10

    Applicant: BASF SE ,  Dow Global Technologies LLC

    Inventor： Dominic RIEDEL ,  Dylan SEGERS ,  Joaquim Henriqu TELES ,  Philip KAMPE ,  Meinolf WEIDENBACH ,  Franciscus Johannes Robertus VAN NEER ,  Malte SCHULZ

    IPC: C07D301/12 ,  B01J8/06

    CPC classification number: C07D301/12 ,  B01J8/06

    Abstract: The present invention relates to a process for preparing an olefin oxide from a reaction mixture stream in an epoxidation reactor R, wherein R contains z active reaction tubes T(i) arranged in parallel, z≥2, i=1 . . . z, wherein each T(i) comprises a reaction zone Z(i) comprising a heterogeneous epoxidation catalyst, said reaction mixture stream comprising x components C(j), x≥3, j=1 . . . x, the process comprising (i) providing m educt streams E(k), m≥1, k=1 . . . m, wherein each E(k) exhibits a mass flow rate FE(k) and comprises y components C(j), y=1 . . . x, wherein a given component C(j) is contained in at least one E(k); (ii) dividing each E(k) into n educt substreams S(k,i), n≤z, each S(k,i) exhibiting a mass flow rate Fs(k,i), wherein to at least one E(k), the inequality (1) applies: Formulas (1), (2), (3), (iii) providing n reaction mixtures streams M(i) comprising the x components C(j), said providing comprising, for each i, either combining and admixing the n educt substreams S(k,i) obtaining the n reaction mixtures M(i) if m>1, or passing on the n educt substreams S(k,i) as the n reaction mixtures M(i) if m=1; (iv) feeding each M(i) obtained according to (iii) into Z(i) and contacting each M(i) in Z(i) with the epoxidation catalyst under epoxidation reaction conditions; wherein the x components C(j) comprise hydrogen peroxide, an organic solvent, and the olefin. The present invention further relates to an olefin oxide obtained or obtainable from said process.

    PROCESS FOR PREPARING PROPYLENE OXIDE
    5.
    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

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

    Inventor： Joaquim Henrique TELES ,  Bianca SEELIG ,  Dominic RIEDEL ,  Philip KAMPE ,  Daniel URBANCZYK ,  Markus WEBER ,  Ulrich MUELLER ,  Andrei-Nicolae PARVULESCU ,  Kai GUMLICH ,  Peter BASSLER ,  Christian BARTOSCH ,  Richard JACUBINAS ,  Meinolf WEIDENBACH ,  Werner WITZL

    IPC: C07D301/12 ,  B01J27/188 ,  B01J27/18 ,  B01J29/70

    CPC classification number: C07D301/12 ,  B01J27/18 ,  B01J27/188 ,  B01J29/7038 ,  B01J29/7088 ,  B01J35/002 ,  B01J35/1019 ,  B01J2229/186 ,  Y02P20/52

    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。

    PART-STREAM DISTILLATION
    6.
    发明申请
    PART-STREAM DISTILLATION 审中-公开

    公开(公告)号：US20160115140A1

    公开(公告)日：2016-04-28

    申请号：US14787956

    申请日：2014-04-28

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

    Inventor： Joaquim H. TELES ,  Dominic RIEDEL ,  Bianca SEELIG ,  Philip KAMPE ,  Daniel URBANCZYK ,  Markus WEBER ,  Alexander SCHROEDER ,  Andrei-Nicolae PARVULESCU ,  Ulrich MUELLER ,  Meinolf WEIDENBACH ,  Werner WITZL ,  Holger BAER

    IPC: C07D301/12 ,  B01D3/14 ,  C07D301/32

    CPC classification number: C07D301/12 ,  B01D3/143 ,  C07D301/32

    Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene, optionally admixed with propane, with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B, optionally propene and optionally propane, wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile and wherein the decadic logarithm of the octanol-water partition coefficient (log Kow) of the at least one component B is greater than zero; (b) separating propylene oxide from S0, obtaining a stream S1 containing acetonitrile, water and the at least one further component B; (c) dividing S1 into two streams S2 and S3; (d) subjecting S3 to a vapor-liquid fractionation in a fractionation unit, obtaining a vapor fraction stream S4 being depleted of the at least one component B; (e) recycling at least a portion of S4, optionally after work-up, to (a).

    Abstract translation: 一种用于制备环氧丙烷的连续方法，包括（a）在乙腈作为溶剂的存在下，在反应装置中将丙烯任选与丙烷混合，与过氧化氢反应，得到含有环氧丙烷，乙腈，水的流S0 至少一种另外的组分B，任选的丙烯和任选的丙烷，其中至少一种组分B的标准沸点高于乙腈的标准沸点，其中辛醇 - 水分配系数（log Kow）的十进制对数 所述至少一个组分B大于零; （b）从S0分离环氧丙烷，得到含有乙腈，水和至少一种其它组分B的料流S1; （c）将S1划分成两个流S2和S3; （d）使S3在分馏装置中进行汽 - 液分馏，得到耗尽至少一种B成分的蒸汽馏分流S4; （e）将至少一部分S4，任选地在后处理之后再循环至（a）。

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