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    A PROCESS FOR PURIFYING PROPYLENE OXIDE
    11.
    发明申请
    A PROCESS FOR PURIFYING PROPYLENE OXIDE 审中-公开
    一种纯化氧化丙烯的方法

    公开(公告)号：WO2018015435A1

    公开(公告)日：2018-01-25

    申请号：PCT/EP2017/068228

    申请日：2017-07-19

    Applicant: BASF SE

    Inventor： TELES, Joaquim H. ,  KRAMP, Marvin ,  MUELLER, Christian ,  WOERZ, Nicolai Tonio ,  METZEN, Bernd ,  KELLER, Tobias ,  RIEDEL, Dominic ,  WEBER, Markus ,  URBANCZYK, Daniel ,  PARVULESCU, Andrei-Nicolae ,  WEGERLE, Ulrike ,  MUELLER, Ulrich

    IPC: C07D301/32 ,  C07D303/02

    Abstract: The present invention is related to a process for purifying propylene oxide, comprising (i) providing a stream S0 comprising propylene oxide, acetonitrile, water, and an organic compound comprising a carbonyl group -C(=O)-, wherein said organic compound comprising a carbonyl group -C(=O)- comprises one or more of acetone and propionaldehyde; (ii) separating propylene oxide from the stream S0 by distillation, comprising subjecting the stream S0 to distillation conditions in a distillation column, obtaining a gaseous top stream S1c which is enriched in propylene oxide compared to the stream S0, a liquid bottoms stream S1 a which is enriched in acetonitrile and water compared to the stream S0, and a side stream S1b comprising propylene oxide which is enriched in the carbonyl compound compared to the stream S0; wherein the distillation column is operated at an absolute pressure at the top of the distillation column in the range of from 0.1 to 2.0 bar and an internal reflux ratio in the range of from 2.0 to 6.0; wherein the distillation column exhibits at least 100 theoretical trays, the rectifying section of the distillation column consists of from 30 to 70 % of the theoretical trays and the stripping section of the distillation column consists of from 70 to 30 % of the theoretical trays.

    Abstract translation: 本发明涉及纯化环氧丙烷的方法，包括（i）提供包含环氧丙烷，乙腈，水和包含羰基-C（= O）的有机化合物的物流S 0， ） - ，其中所述包含羰基-C（= O） - 的有机化合物包含丙酮和丙醛中的一种或多种; （ii）通过蒸馏从物流S0分离环氧丙烷，包括使物流S0在蒸馏塔中经受蒸馏​​条件，获得富集环氧丙烷的气态顶部物流S1c，与物流S0相比，液态底部物流S1a 其与流S0相比富含乙腈和水，以及包含富含羰基化合物的环氧丙烷的侧流S1b与流S0相比; 其中所述蒸馏塔在所述蒸馏塔顶部的绝对压力下操作，所述蒸馏塔的压力范围为0.1-2.0巴，内回流比为2.0-6.0; 其中蒸馏塔表现出至少100个理论塔板，蒸馏塔的精馏段由理论塔板的30-70％组成，蒸馏塔的汽提段由理论塔板的70-30％组成。 / p>

    VERFAHREN ZUR OXIDATIVEN DEHYDRIERUNG VON N-BUTENEN ZU BUTADIEN
    12.
    发明申请
    VERFAHREN ZUR OXIDATIVEN DEHYDRIERUNG VON N-BUTENEN ZU BUTADIEN 审中-公开
    步骤为正丁烯氧化脱氢丁二烯

    公开(公告)号：WO2014111406A1

    公开(公告)日：2014-07-24

    申请号：PCT/EP2014/050668

    申请日：2014-01-15

    Applicant: BASF SE

    Inventor： JOSCH, Jan Pablo ,  WECK, Alexander ,  GIESA, Sonja ,  BÜTEHORN, Steffen ,  BALEGEDDE RAMACHANDRAN, Ragavendra Prasad ,  BENFER, Regina ,  WEBER, Markus

    IPC: C07C5/48 ,  C07C7/00 ,  C07C7/08 ,  C07C7/11 ,  C07C7/05 ,  C07C11/167

    CPC classification number: C07C5/48 ,  C07C7/005 ,  C07C7/05 ,  C07C7/08 ,  C07C7/11 ,  C07C2523/887 ,  C07C11/167

    Abstract: Die Erfindung betrifft ein Verfahren zur Herstellung von Butadien aus n-Butenen mit den Schritten: A) Bereitstellung eines n-Butene enthaltenden Einsatzgasstroms a; B) Einspeisung des n-Butene enthaltenden Einsatzgasstromes a und eines sauerstoffhaltigen Gases in mindestens eine Dehydrierzone und oxidative Dehydrierung von n-Butenen zu Butadien, wobei ein Produktgasstrom b enthaltend Butadien, nicht umgesetzte n-Butene, Wasserdampf, Sauerstoff, leicht siedende Kohlenwasserstoffe, gegebenenfalls Kohlenstoffoxide und gegebenenfalls Inertgase erhalten wird; C) Abkühlung und Kompression des Produktgasstroms b in mindestens einer Kompressionsstufe, wobei mindestens ein Kondensatstrom c1 enthaltend Wasser und ein Gasstrom c2 enthaltend Butadien, n-Butene, Wasserdampf, Sauerstoff, leicht siedende Kohlenwasserstoffe, gegebenenfalls Kohlenstoffoxide und gegebenenfalls Inertgase erhalten wird; D) Abtrennung von nicht kondensierbaren und leicht siedenden Gasbestandteilen umfassend Sauerstoff, leicht siedende Kohlenwasserstoffe, gegebenenfalls Kohlenstoffoxide und gegebenenfalls Inertgase als Gasstrom d2 aus dem Gasstrom c2 durch Da) Absorption der C 4 -Kohlenwasserstoffe umfassend Butadien und n- Butene in einem hochsiedenden Absorptionsmittel, wobei ein mit C 4 - Kohlenwasserstoffen beladener Absorptionsmittelstrom und der Gasstrom d2 erhalten werden, Db) Entfernung von Sauerstoff aus dem mit C 4 -Kohlenwasserstoffen beladenen Absorptionsmittelstrom durch Strippung mit einem Inertgas, und Dc) Desorption der C 4 -Kohlenwasserstoffe aus dem beladenen Absorptionsmittelstrom, wobei ein C 4 -Produktgasstrom d1 erhalten wird, der im Wesentlichen aus C 4 -Kohlenwasserstoffen besteht und weniger als 100 ppm Sauerstoff umfasst. E) Auftrennung des C 4 -Produktstroms d1durch Extraktivdestillation mit einem für Butadien selektiven Lösungsmittel in einen Butadien und das selektive Lösungsmittel enthaltenden Stoffstrom e1 und einen n-Butene enthalten- den Stoffstrom e2; F) Destillation des Butadien und das selektive Lösungsmittel enthaltenden Stoffstroms e1 in einen im Wesentlichen aus dem selektiven Lösungsmittel bestehenden Stoffstrom f1 und einen Butadien enthaltenden Stoffstrom f2.

    Abstract translation: 本发明涉及一种方法，用于从包括以下步骤正丁烯制备丁二烯：A）提供含正丁烯进料气流; B）供给的含正丁烯进料气流和含氧气体进入至少一个脱氢区和正丁烯的氧化脱氢为丁二烯，得到产物气流b包括丁二烯，未反应的正丁烯，水蒸汽，氧，低沸点烃类，任选地 碳氧化物和可能的惰性气体中获得; C）在冷却和在至少一个压缩级压缩产物气流b，至少一个冷凝物流C1水和气体流C2由含有得到丁二烯，正丁烯，水蒸汽，氧，低沸点烃，任选的碳的氧化物和可能含有惰性气体; D）含有氧，低沸点烃，任选的碳的氧化物和可能的惰性气体从由大气流C2中的气体流D2不可冷凝和低沸点的气体成分）的C 4烃的吸附分离，其包括在高沸点的吸收介质丁二烯和正丁烯，由此 装载有C4烃吸收剂流和所述气体物流被来自负载的吸收剂流，其中一个C 4产物气流用惰性气体汽提，和DC）的C 4烃的解吸得到d2时，DB）中除去氧从载有C 4烃吸收剂流 D1获得基本上由C 4烃，并且包括小于100ppm氧。 E）在含有丁二烯和流e1和含正丁烯流E2的选择性溶剂中使用丁二烯的选择性溶剂中分离C4产物流d1durch萃取蒸馏; F）的丁二烯的蒸馏和在一个基本上由所述选择性溶剂流f1和含丁二烯的流f2的E1含有选择性溶剂流。

    PROPENE RECOVERY BY SCRUBBING WITH A SOLVENT/WATER MIXTURE
    14.
    发明申请
    PROPENE RECOVERY BY SCRUBBING WITH A SOLVENT/WATER MIXTURE 审中-公开

    公开(公告)号：WO2018197234A1

    公开(公告)日：2018-11-01

    申请号：PCT/EP2018/059516

    申请日：2018-04-13

    Applicant: BASF SE

    Inventor： WOERZ, Nicolai Tonio ,  MUELLER, Ulrich ,  PARVULESCU, Andrei-Nicolae ,  RIEDEL, Dominic ,  KRAMP, Marvin ,  URBANCZYK, Daniel ,  WEGERLE, Ulrike ,  MUELLER, Christian ,  METZEN, Bernd ,  WEBER, Markus

    IPC: C07D301/12

    Abstract: The invention relates to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, propane, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propane, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propene, propane, propylene oxide, water, and the organic solvent; (iv) separating propene and propane from the effluent stream by distillation, comprising subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous stream (S1) which is enriched in propene and propane compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream (S2) which is enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (v) separating propane from the stream (S1) in a separation zone, comprising subjecting the stream (S1) to washing conditions in a scrubber, wherein a solvent mixture comprising organic solvent and water is added as entraining agent, obtaining a bottoms stream (S3), which comprises organic solvent, water and at least 70 weight-% of the propene comprised in (S1); and a gaseous top stream (S4), which comprises at least 5 weight-% of the propane comprised in stream (S1).

    A PROCESS FOR PURIFYING PROPYLENE OXIDE
    16.
    发明申请
    A PROCESS FOR PURIFYING PROPYLENE OXIDE 审中-公开
    一种纯化氧化丙烯的方法

    公开(公告)号：WO2018015434A1

    公开(公告)日：2018-01-25

    申请号：PCT/EP2017/068227

    申请日：2017-07-19

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

    Inventor： TELES, Joaquim H. ,  KRAMP, Marvin ,  MUELLER, Christian ,  WOERZ, Nicolai Tonio ,  METZEN, Bernd ,  KELLER, Tobias ,  RIEDEL, Dominic ,  SCHELLING, Heiner ,  WEBER, Markus ,  URBANCZYK, Daniel ,  PARVULESCU, Andrei-Nicolae ,  WEGERLE, Ulrike ,  MUELLER, Ulrich ,  WEIDENBACH, Meinolf ,  WITZL, Werner

    IPC: C07D301/32

    Abstract: The present invention is related to a process for purifying propylene oxide, comprising (i) providing a stream SO comprising propylene oxide, acetonitrile, water, and an organic compound comprising a carbonyl group -C(=O)-, wherein said organic compound comprising a carbonyl group -C(=O)- comprises one or more of acetone and propionaldehyde; (ii) separating propylene oxide from the stream SO by distillation, comprising (11.1) subjecting the stream S0 to distillation conditions in a first distillation unit, obtaining a gaseous top stream S1 c which is enriched in propylene oxide compared to the stream S0, a liquid bottoms stream S1a which is enriched in acetonitrile and water compared to the stream S0, and a side stream S1b comprising propylene oxide which is enriched in the carbonyl compound compared to the stream S0; (11.2) reacting the carbonyl compound comprised in the side stream S1b with an organic compound comprising an amino group -NH 2 obtaining a reaction product of the organic compound comprising a carbonyl group and the organic compound comprising an amino group; (11.3) separating propylene oxide from the reaction product of the organic compound comprising a carbonyl group and the organic compound comprising an amino group in a second distillation unit, obtaining a gaseous top stream S3a which is enriched in propylene oxide and a liquid bottoms stream S3b which is enriched in the reaction product of the organic compound comprising a carbonyl group and the organic compound comprising an amino group; (11.4) introducing the top stream S3a which is enriched in propylene oxide propylene oxide into the first distillation unit.

    Abstract translation: 本发明涉及一种纯化环氧丙烷的方法，其包括（i）提供包含环氧丙烷，乙腈，水和包含羰基-C（= O）的有机化合物的料流SO ） - ，其中所述包含羰基-C（= O） - 的有机化合物包含丙酮和丙醛中的一种或多种; （ii）通过蒸馏从流SO中分离氧化丙烯，其包括（11.1）在第一蒸馏单元中使流S 0经历蒸馏条件，获得富含氧化丙烯的气态顶部流S1c，与流S 0相比， 液体底部料流S1a，其与料流S0相比富含乙腈和水;以及侧向料流S1b，其包含富含羰基化合物的环氧丙烷与料流S0; （11.2）使包含在侧流S1b中的羰基化合物与包含氨基-NH 2的有机化合物反应，获得包含羰基的有机化合物和包含氨基的有机化合物的反应产物 组; （11.3）在第二蒸馏单元中从包含羰基的有机化合物和包含氨基的有机化合物的反应产物中分离环氧丙烷，获得富含环氧丙烷的气态顶部料流S3a和液态底部料流S3b 其富含包含羰基的有机化合物和包含氨基的有机化合物的反应产物; （11.4）将富含环氧丙烷环氧丙烷的塔顶物流S3a引入第一蒸馏装置。

    A PROCESS FOR PREPARING PROPYLENE OXIDE
    17.
    发明申请
    A PROCESS FOR PREPARING PROPYLENE OXIDE 审中-公开
    一种制备环氧丙烷的方法

    公开(公告)号：WO2018015430A1

    公开(公告)日：2018-01-25

    申请号：PCT/EP2017/068223

    申请日：2017-07-19

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

    Inventor： TELES, Joaquim Henrique ,  KRAMP, Marvin ,  MUELLER, Christian ,  WOERZ, Nicolai Tonio ,  METZEN, Bernd ,  KELLER, Tobias ,  RIEDEL, Dominic ,  SCHELLING, Heiner ,  WEBER, Markus ,  URBANCZYK, Daniel ,  PARVULESCU, Andrei-Nicolae ,  WEGERLE, Ulrike ,  MUELLER, Ulrich ,  WEIDENBACH, Meinolf ,  WITZL, Werner

    IPC: C07D301/12 ,  B01D3/00 ,  B01J29/89 ,  C07D303/04

    Abstract: The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream S0 enriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream S01 enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream S0 to an upper part of the distillation unit.

    Abstract translation: 本发明涉及制备环氧丙烷的方法，其包括（i）提供包含丙烯，过氧化氢或过氧化氢源，水和有机溶剂的物流; （ii）使（i）中提供的液体进料物流进入包含含钛沸石的环氧化催化剂的环氧化区，并使液体进料物流在环氧化区进行环氧化反应条件，获得包含丙烯，环氧丙烷 ，水和有机溶剂; （iii）从环氧化区中除去流出物流，所述流出物流包含环氧丙烷，水，有机溶剂和丙烯; （iv）通过蒸馏从流出物流中分离丙烯，包括（iv.1）使流出物流在蒸馏单元中经历蒸馏条件，获得富含丙烯的气态顶部流SO，与经历蒸馏条件的流出物流相比较，以及 与经受蒸馏条件的流出物流相比，富含环氧丙烷，水和有机溶剂的液态底部物流S01; （iv.2）将蒸汽S0的冷凝部分返回到蒸馏单元的上部。

    PART-STREAM DISTILLATION
    18.
    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）。

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