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    PROCESS FOR PREPARING ACRYLIC ACID FROM METHANOL AND ACETIC ACID
    1.
    发明申请
    PROCESS FOR PREPARING ACRYLIC ACID FROM METHANOL AND ACETIC ACID 有权
    从甲醇和乙酸制备丙烯酸的方法

    公开(公告)号：US20160031789A1

    公开(公告)日：2016-02-04

    申请号：US14794955

    申请日：2015-07-09

    Applicant: BASF SE

    Inventor： Lukas SCHULZ ,  Nicolai Tonio Woerz ,  Tim Blaschke ,  Marco Hartmann ,  Frank Huetten

    IPC: C07C51/347 ,  C07C45/78 ,  C07C45/32

    CPC classification number: C07C51/347 ,  B01J23/50 ,  B01J27/198 ,  C07C45/32 ,  C07C45/38 ,  C07C45/783 ,  C07C51/353 ,  C07C57/04 ,  C07C47/04

    Abstract: A process for preparing acrylic acid from methanol and acetic acid, comprising (i) contacting a gaseous stream S0 comprising methanol, oxygen and inert gas with an oxidation catalyst to obtain a gaseous stream S1 comprising formaldehyde and inert gas; (ii) removing at least a portion of the inert gas present in S1 from at least a portion of the formaldehyde present in S1 by absorbing this formaldehyde in an absorbent to obtain a gaseous stream S2 comprising the portion of the inert gas removed, and to obtain a stream S3 comprising absorbent and absorbate comprising formaldehyde; (iii) optionally removing a portion or the entirety of the absorbent present in stream S3, such that a stream S3a remains from stream S3, and producing a stream S4 from at least stream S3 or stream S3a and a stream S5 comprising acetic acid; and (iv) contacting stream S4 in gaseous form with an aldol condensation catalyst to obtain a gaseous stream S6 comprising acrylic acid.

    Abstract translation: 一种从甲醇和乙酸制备丙烯酸的方法，包括（i）使包含甲醇，氧气和惰性气体的气流S0与氧化催化剂接触以获得包含甲醛和惰性气体的气流S1; （ii）通过在吸收剂中吸收该甲醛从S1中存在的甲醛的至少一部分除去S1中存在的至少一部分惰性气体，以获得包含去除部分惰性气体的气流S2，并且 获得包含含甲醛的吸收剂和吸收剂的流S3; （iii）任选地除去流S3中存在的吸收剂的一部分或全部，使得流S3a从流S3保留，并从至少流S3或流S3a和包含乙酸的流S5产生流S4; 和（iv）将气态的流S4与醛醇缩合催化剂接触以获得包含丙烯酸的气流S6。

    THERMAL SEPARATION PROCESS
    2.
    发明申请
    THERMAL SEPARATION PROCESS 审中-公开
    热分离方法

    公开(公告)号：US20150158011A1

    公开(公告)日：2015-06-11

    申请号：US14562481

    申请日：2014-12-05

    Applicant: BASF SE

    Inventor： Klaus Joachim Mueller-Engel ,  Thomas Walter ,  Frank Huetten ,  Markus Ottenbacher ,  Ulrich Hammon

    IPC: B01J19/32 ,  B01F3/04

    CPC classification number: B01J19/32 ,  B01D3/16 ,  B01D3/225 ,  B01F3/0446 ,  B01J2219/322 ,  B01J2219/3327 ,  C07C51/42 ,  C07C67/48 ,  C07C57/04 ,  C07C69/54

    Abstract: A thermal separation process between a gas ascending in a separating column and a liquid descending in the separating column, which comprise (meth)acrylic monomers, wherein the separating column comprises a sequence of crossflow mass transfer trays, the crossflow mass transfer trays of which have passage orifices for the ascending gas in crossflow direction both in front of and beyond a downcomer for the descending liquid, and such crossflow mass transfer trays and one such crossflow mass transfer tray in a sequence of crossflow mass transfer trays present in a separating column.

    Abstract translation: 在分离塔中上升的气体和分离塔中下降的液体之间的热分离过程，其包含（甲基）丙烯酸单体，其中分离塔包括一系列交叉流传质托盘，其交叉流传质托盘具有 用于下降液体的降液管之前和之后的横流方向的上升气体的通道孔，以及存在于分离塔中的交叉流传质托盘中的这种交叉流传质托盘和一个这样的交叉流传质托盘。

    Process for preparing acrylic acid from methanol and acetic acid
    3.
    发明授权
    Process for preparing acrylic acid from methanol and acetic acid 有权
    从甲醇和乙酸制备丙烯酸的方法

    公开(公告)号：US09593065B2

    公开(公告)日：2017-03-14

    申请号：US14794955

    申请日：2015-07-09

    Applicant: BASF SE

    Inventor： Lukas Schulz ,  Nicolai Tonio Woerz ,  Tim Blaschke ,  Marco Hartmann ,  Frank Huetten

    IPC: C07C51/347 ,  B01J23/50 ,  B01J27/198 ,  C07C57/04 ,  C07C45/38 ,  C07C51/353 ,  C07C45/32 ,  C07C45/78

    CPC classification number: C07C51/347 ,  B01J23/50 ,  B01J27/198 ,  C07C45/32 ,  C07C45/38 ,  C07C45/783 ,  C07C51/353 ,  C07C57/04 ,  C07C47/04

    Abstract: A process for preparing acrylic acid from methanol and acetic acid, comprising (i) contacting a gaseous stream S0 comprising methanol, oxygen and inert gas with an oxidation catalyst to obtain a gaseous stream S1 comprising formaldehyde and inert gas; (ii) removing at least a portion of the inert gas present in S1 from at least a portion of the formaldehyde present in S1 by absorbing this formaldehyde in an absorbent to obtain a gaseous stream S2 comprising the portion of the inert gas removed, and to obtain a stream S3 comprising absorbent and absorbate comprising formaldehyde; (iii) optionally removing a portion or the entirety of the absorbent present in stream S3, such that a stream S3a remains from stream S3, and producing a stream S4 from at least stream S3 or stream S3a and a stream S5 comprising acetic acid; and (iv) contacting stream S4 in gaseous form with an aldol condensation catalyst to obtain a gaseous stream S6 comprising acrylic acid.

    Abstract translation: 一种从甲醇和乙酸制备丙烯酸的方法，包括（i）使包含甲醇，氧气和惰性气体的气流S0与氧化催化剂接触以获得包含甲醛和惰性气体的气流S1; （ii）通过在吸收剂中吸收该甲醛从S1中存在的甲醛的至少一部分除去S1中存在的至少一部分惰性气体，以获得包含去除部分惰性气体的气流S2，并且 获得包含含甲醛的吸收剂和吸收剂的流S3; （iii）任选地除去流S3中存在的吸收剂的一部分或全部，使得流S3a从流S3保留，并从至少流S3或流S3a和包含乙酸的流S5产生流S4; 和（iv）将气态的流S4与醛醇缩合催化剂接触以获得包含丙烯酸的气流S6。

    Thermal separation process
    4.
    发明授权
    Thermal separation process 有权
    热分离过程

    公开(公告)号：US09018416B2

    公开(公告)日：2015-04-28

    申请号：US13828505

    申请日：2013-03-14

    Applicant: BASF SE

    Inventor： Klaus Joachim Mueller-Engel ,  Thomas Walter ,  Frank Huetten ,  Markus Ottenbacher ,  Ulrich Hammon

    IPC: C07C51/42 ,  B01D3/22 ,  C07C67/48 ,  B01D3/16

    CPC classification number: B01J19/32 ,  B01D3/16 ,  B01D3/225 ,  B01F3/0446 ,  B01J2219/322 ,  B01J2219/3327 ,  C07C51/42 ,  C07C67/48 ,  C07C57/04 ,  C07C69/54

    Abstract: A thermal separation process between a gas ascending in a separating column and a liquid descending in the separating column, which comprise (meth)acrylic monomers, wherein the separating column comprises a sequence of crossflow mass transfer trays, the crossflow mass transfer trays of which have passage orifices for the ascending gas in crossflow direction both in front of and beyond a downcomer for the descending liquid, and such crossflow mass transfer trays and one such crossflow mass transfer tray in a sequence of crossflow mass transfer trays present in a separating column.

    Abstract translation: 在分离塔中上升的气体和分离塔中下降的液体之间的热分离过程，其包含（甲基）丙烯酸单体，其中分离塔包括一系列交叉流传质托盘，其交叉流传质托盘具有 用于下降液体的降液管之前和之后的横流方向的上升气体的通道孔，以及存在于分离塔中的交叉流传质托盘中的这种交叉流传质托盘和一个这样的交叉流传质托盘。

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