PROCESS FOR PREPARING AN OLEFIN OXIDE
    1.
    发明申请

    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

    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 THE PREPARATION OF PROPYLENE OXIDE
    3.
    发明申请
    A PROCESS FOR THE PREPARATION OF PROPYLENE OXIDE 审中-公开
    一种制备环氧丙烷的方法

    公开(公告)号:WO2017140774A1

    公开(公告)日:2017-08-24

    申请号:PCT/EP2017/053492

    申请日:2017-02-16

    Applicant: BASF SE

    CPC classification number: C07D301/12 C07D301/36

    Abstract: A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, a formate salt, water and optionally propane, wherein in the liquid feed stream, the molar amount of the formate salt relative to the molar amount of hydrogen peroxide at a given point of time during the normal run stage is a N (Fo/H 2 O 2 ); (ii) continuously passing the liquid feed stream provided in (i) into an epoxidation zone comprising a catalyst comprising a titanium zeolite having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the formate salt, optionally propene, and optionally propane; (iii) continuously removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the formate salt, optionally propene, and optionally propane; wherein the normal run stage is characterized in an average rate of change of a N (Fo/H 2 O 2 ) of less than 0 h -1 .

    Abstract translation: 一种用于制备环氧丙烷的连续方法,其包括启动阶段和正常运行阶段,其中正常运行阶段包括(i)连续提供包含丙烯,过氧化氢, 乙腈,甲酸盐,水和任选的丙烷,其中在液体进料流中,相对于在正常运行阶段期间的给定时间点的过氧化氢的摩尔量,甲酸盐的摩尔量是N (F0 / H <子> 2 0 <子> 2 ); (ii)将(i)中提供的液体进料流连续通入包含催化剂的环氧化区中,所述催化剂包含具有骨架型MWW的钛沸石,并使液体进料流在环氧化区中经受环氧化反应条件,获得反应混合物,所述反应混合物包含 环氧丙烷,乙腈,水,甲酸盐,任选的丙烯和任选的丙烷; (iii)连续地从环氧化区中除去流出物流,所述流出物流包含环氧丙烷,乙腈,水,至少一部分甲酸盐,任选的丙烯和任选的丙烷; 其中所述正常运行阶段的特征在于小于0小时的αN(Fo / H2θO 2)的平均变化率 -1

    PROCESS FOR PREPARING A TITANIUM-CONTAINING ZEOLITIC MATERIAL HAVING AN MWW FRAMEWORK STRUCTURE
    4.
    发明申请
    PROCESS FOR PREPARING A TITANIUM-CONTAINING ZEOLITIC MATERIAL HAVING AN MWW FRAMEWORK STRUCTURE 审中-公开
    制备含有MWW框架结构的含钛的ZEOLITIC材料的方法

    公开(公告)号:WO2014122152A1

    公开(公告)日:2014-08-14

    申请号:PCT/EP2014/052205

    申请日:2014-02-05

    Applicant: BASF SE

    CPC classification number: B01J37/0045 B01J29/7038 B01J29/89 C01B39/085

    Abstract: A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising(i)providing a zeolitic material having an MWW framework structure comprising SiO 2 and B 2 O 3 , (ii)incorporating titanium into the zeolitic material provided in (i) comprising(ii.1) preparing an aqueous synthesis mixture containing the zeolitic material provided in (i), an MWW template compound and a titanium source, (ii.2) hydrothermally synthesizing a titanium-containing zeolitic material having an MWW framework structure from the aqueous synthesis mixture prepared in (ii.1), obtaining a mother liquor comprising the titanium-containing zeolitic material having an MWW framework structure;(iii)spray-drying the mother liquor obtained from (ii.2) comprising the titanium-containing zeolitic material having an MWW framework structure.

    Abstract translation: 一种制备具有MWW骨架结构的含钛沸石材料的方法,该方法包括(i)提供具有包含SiO 2和B 2 O 3的MWW骨架结构的沸石材料,(ii)将钛掺入提供于( i)包括(ii.1)制备含有(i)中提供的沸石材料的水性合成混合物,MWW模板化合物和钛源,(ii.2)水热合成具有MWW骨架结构的含钛沸石材料 从(ii.1)中制备的水性合成混合物得到包含具有MWW骨架结构的含钛沸石材料的母液;(iii)喷雾干燥由(ii.2)得到的母液, 含有MWW骨架结构的沸石材料。

    ZEOLITIC MATERIAL HAVING A FRAMEWORK STRUCTURE COMPRISING SI, O, AND TI

    公开(公告)号:WO2021191135A1

    公开(公告)日:2021-09-30

    申请号:PCT/EP2021/057246

    申请日:2021-03-22

    Applicant: BASF SE

    Abstract: The present invention relates to a zeolitic material having a framework structure comprising Si, O, and Ti, obtained or obtainable from a Ti containing compound, wherein the Ti containing compound has an APHA color number of ≤ 300. In a second aspect, the invention relates to the Ti containing compound having an APHA color number of ≤ 300. A third aspect of the present invention is related to the use of the Ti containing compound having an APHA color number of ≤ 300 of the second aspect for the preparation of a zeolitic material having framework structure comprising Si, O, and Ti, as well as to a process for preparation of a zeolitic material as in the first aspect having a framework structure comprising Si, O, and Ti, wherein the zeolitic material having a framework structure comprising Si, O, and Ti, is prepared from a Ti containing compound having an APHA color number of ≤ 300 as of the second aspect. A fourth aspect of the invention is directed to a molding comprising the zeolitic material having a framework structure comprising Si, O, and Ti as of the first aspect, as well as to the use of the molding as an adsorbent, an absorbent, a catalyst or a catalyst component. A fifth aspect of the invention relates to a process for oxidizing an organic compound comprising bringing an organic compound in contact with a catalyst comprising a molding as of the fourth aspect, wherein a sixth aspect relates to propylene oxide obtained or obtainable from the process according to the fifth aspect.

    PART-STREAM DISTILLATION
    7.
    发明申请

    公开(公告)号:WO2016066629A1

    公开(公告)日:2016-05-06

    申请号:PCT/EP2015/074839

    申请日:2015-10-27

    Inventor: RIEDEL, Dominic

    CPC classification number: C07D301/12

    Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream SO containing propylene oxide, acetonitrile, water, at least one further component B wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile; (b) separating propylene oxide from SO, obtaining a stream SI 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 first fractionation unit, obtaining a vapor fraction stream S4 a being depleted, relative to S3, of at least one of the at least one component B and obtaining a liquid bottoms stream S4b, and subjecting at least part of the vapor fraction stream S4 a to a vapor-liquid fractionation in a second fractionation unit, obtaining a vapor fraction stream S4c and a liquid bottoms stream S4 being depleted, relative to S4a, of at least one 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)在乙腈作为溶剂存在下,在反应装置中使丙烯与过氧化氢反应,得到含有环氧丙烷,乙腈,水,至少一种其它组分B的物流SO,其中 至少一种组分B的标准沸点高于乙腈的标准沸点; (b)从SO中分离环氧丙烷,得到含有乙腈,水和至少一种其它组分B的流SI; (c)将S1划分成两个流S2和S3; (d)使S3在第一分馏单元中进行汽 - 液分馏,获得相对于S3耗尽的至少一种组分B中的至少一种的蒸气馏分流S4a,并获得液体底部流S4b, 并且使至少部分蒸汽馏分流S4a在第二分馏单元中进行汽 - 液分馏,获得相对于S4a耗尽的蒸汽馏分流S4c和液体塔底流S4至少一个 至少一个组分B; (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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