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    PART-STREAM DISTILLATION
    1.
    发明申请
    PART-STREAM DISTILLATION 审中-公开

    公开(公告)号：WO2014177507A1

    公开(公告)日：2014-11-06

    申请号：PCT/EP2014/058579

    申请日：2014-04-28

    Applicant: BASF SE ,  THE DOW CHEMICAL COMPANY

    Inventor： TELES, Joaquim Henrique ,  RIEDEL, Dominic ,  SEELIG, Bianca ,  KAMPE, Philip ,  URBANCZYK, Daniel ,  WEBER, Markus ,  SCHRÖDER, Alexander ,  PARVULESCU, Andrei-Nicolae ,  MÜLLER, Ulrich ,  WEIDENBACH, Meinolf ,  WITZL, Werner ,  BÄR, Holger

    IPC: C07D301/12

    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 K ow ) of the at least one component B is greater than zero; (b) separating propylene oxidefrom 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分成两股流S2和S3;（d）对S3进行分馏装置中的气 - 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）。

    PROCESS FOR PREPARING AN OLEFIN OXIDE
    3.
    发明申请
    PROCESS FOR PREPARING AN OLEFIN OXIDE 审中-公开

    公开(公告)号：WO2022189559A1

    公开(公告)日：2022-09-15

    申请号：PCT/EP2022/056165

    申请日：2022-03-10

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

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

    IPC: B01J8/06 ,  C07D301/12 ,  C07D303/04

    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.

    A PROCESS FOR PREPARING PROPYLENE OXIDE
    5.
    发明申请
    A PROCESS FOR PREPARING PROPYLENE OXIDE 审中-公开
    一种制备丙烯氧化物的方法

    公开(公告)号：WO2015010991A1

    公开(公告)日：2015-01-29

    申请号：PCT/EP2014/065244

    申请日：2014-07-16

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

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

    IPC: B01J29/89 ,  B01J37/02 ,  C07D301/12 ,  B01J27/16

    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。

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