PROCESS FOR PREPARING AT LEAST ONE ORGANIC TARGET COMPOUND BY HETEROGENEOUSLY CATALYZED GAS PHASE PARTIAL OXIDATION
    3.
    发明申请
    PROCESS FOR PREPARING AT LEAST ONE ORGANIC TARGET COMPOUND BY HETEROGENEOUSLY CATALYZED GAS PHASE PARTIAL OXIDATION 有权
    通过异源催化气相部分氧化制备至少一种有机靶化合物的方法

    公开(公告)号:US20080260605A1

    公开(公告)日:2008-10-23

    申请号:US12146807

    申请日:2008-06-26

    IPC分类号: B01J19/00

    CPC分类号: C07C51/252 C07C57/04

    摘要: A process for preparing an organic target compound by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound with molecular oxygen in two oxidation reactor lines operated in parallel and removal of the target compound from the mixture of the product gas streams in a workup line, wherein the catalysts charge of one of the oxidation lines comprises a portion of catalyst over which the heterogeneously catalyzed gas phase partial oxidation has already been carried out for longer than over the portions of catalyst of the catalyst charge of the other oxidation reactor line.

    摘要翻译: 通过在两个平行操作的氧化反应器管线中的有机前体化合物与分子氧的非均相催化气相部分氧化来制备有机靶化合物的方法,并且从处理线中的产物气流的混合物中除去目标化合物, 其中氧化线之一的催化剂装料包括一部分催化剂,其上已经进行非均相催化的气相部分氧化比在另一个氧化反应器管线的催化剂装料的催化剂的部分长。

    Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation
    4.
    发明授权
    Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation 有权
    通过非均相催化气相部分氧化制备至少一种有机靶化合物的方法

    公开(公告)号:US08394345B2

    公开(公告)日:2013-03-12

    申请号:US12146807

    申请日:2008-06-26

    IPC分类号: B01J8/10

    CPC分类号: C07C51/252 C07C57/04

    摘要: A process for preparing an organic target compound by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound with molecular oxygen in two oxidation reactor lines operated in parallel and removal of the target compound from the mixture of the product gas streams in a workup line, wherein the catalysts charge of one of the oxidation lines comprises a portion of catalyst over which the heterogeneously catalyzed gas phase partial oxidation has already been carried out for longer than over the portions of catalyst of the catalyst charge of the other oxidation reactor line.

    摘要翻译: 通过在两个平行操作的氧化反应器管线中的有机前体化合物与分子氧的非均相催化气相部分氧化来制备有机靶化合物的方法,并且从处理线中的产物气流的混合物中除去目标化合物, 其中氧化线之一的催化剂装料包括一部分催化剂,其上已经进行非均相催化的气相部分氧化比在另一个氧化反应器管线的催化剂装料的催化剂的部分长。

    Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation
    5.
    发明授权
    Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation 有权
    通过非均相催化气相部分氧化制备至少一种有机靶化合物的方法

    公开(公告)号:US07439389B2

    公开(公告)日:2008-10-21

    申请号:US11357300

    申请日:2006-02-21

    IPC分类号: C07C51/16 C07C69/52

    CPC分类号: C07C51/252 C07C57/04

    摘要: A process for preparing an organic target compound by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound with molecular oxygen in two oxidation reactor lines operated in parallel and removal of the target compound from the mixture of the product gas streams in a workup line, wherein the catalyst charge of one of the oxidation lines comprises a portion of catalyst over which the heterogeneously catalyzed gas phase partial oxidation has already been carried out for longer than over the portions of catalyst of the catalyst charge of the other oxidation reactor line.

    摘要翻译: 通过在两个平行操作的氧化反应器管线中的有机前体化合物与分子氧的非均相催化气相部分氧化来制备有机靶化合物的方法,并且从处理线中的产物气流的混合物中除去目标化合物, 其中一个氧化线的催化剂装料包括催化剂的一部分,在该部分的催化剂上已经进行非均相催化的气相部分氧化比在另一个氧化反应器管线的催化剂装料的催化剂部分上的时间长。

    Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation
    6.
    发明申请
    Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation 有权
    通过非均相催化气相部分氧化制备至少一种有机靶化合物的方法

    公开(公告)号:US20060199975A1

    公开(公告)日:2006-09-07

    申请号:US11357300

    申请日:2006-02-21

    IPC分类号: C07C51/16

    CPC分类号: C07C51/252 C07C57/04

    摘要: A process for preparing an organic target compound by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound with molecular oxygen in two oxidation reactor lines operated in parallel and removal of the target compound from the mixture of the product gas streams in a workup line, wherein the catalyst charge of one of the oxidation lines comprises a portion of catalyst over which the heterogeneously catalyzed gas phase partial oxidation has already been carried out for longer than over the portions of catalyst of the catalyst charge of the other oxidation reactor line.

    摘要翻译: 通过在两个平行操作的氧化反应器管线中的有机前体化合物与分子氧的非均相催化气相部分氧化来制备有机靶化合物的方法,并且从处理线中的产物气流的混合物中除去目标化合物, 其中一个氧化线的催化剂装料包括催化剂的一部分,在该部分的催化剂上已经进行非均相催化的气相部分氧化比在另一个氧化反应器管线的催化剂装料的催化剂的部分长的时间。

    Process for continuously removing a target product X in the form of fine crystals
    7.
    发明授权
    Process for continuously removing a target product X in the form of fine crystals 有权
    连续除去细晶体形式的目标产物X的方法

    公开(公告)号:US07999120B2

    公开(公告)日:2011-08-16

    申请号:US12209594

    申请日:2008-09-12

    IPC分类号: C07D227/00 C07C51/43 C07C7/14

    摘要: A process for continuously removing a target product X in the form of fine crystals from a liquid phase P comprising the target product X and constituents other than the target product X by cooling suspension crystallization in the secondary chamber, into which the liquid phase P flows continuously, of an indirect heat exchanger with simultaneous continuous flow of a coolant through the primary chamber of the indirect heat exchanger and continuous withdrawal of a crystal suspension S having a degree of crystallization Y from the secondary chamber, in which the degree of crystallization Y is adjusted on the basis of a heat balance conducted continuously with the aid of a process computer.

    摘要翻译: 从液相P连续除去来自包含目标产物X的液相P和除了目标产物X以外的成分的微晶形式的目标产物X的方法,通过冷却液相P连续流入的二次室中的悬浮液结晶 的间接热交换器,其通过间接热交换器的主室同时连续流动冷却剂,并且从二级室连续取出具有结晶度Y的晶体悬浮液S,其中结晶度Y被调节 基于在过程计算机的帮助下连续进行的热平衡。

    Preparation of acrylic acid
    10.
    发明授权
    Preparation of acrylic acid 有权
    丙烯酸的制备

    公开(公告)号:US06939991B2

    公开(公告)日:2005-09-06

    申请号:US10465613

    申请日:2003-06-20

    IPC分类号: C07C51/44 C07C51/16

    CPC分类号: C07C51/44 C07C57/04

    摘要: In a process for preparing acrylic acid, an acrylic acid-containing product gas mixture obtained by catalytic gas phase partial oxidation of a C3 precursor of acrylic acid, after direct cooling with a quench liquid, is fractionally condensed in a separating column provided with internals, rising into itself with sidestream takeoff of crude acrylic acid, and the acrylic acid oligomers which form are dissociated and the resulting dissociation gas is subjected to a countercurrent rectification before it is recycled.

    摘要翻译: 在制备丙烯酸的方法中,通过催化气相部分氧化丙烯酸C 3 N 3前体在用骤冷液体直接冷却后得到的含丙烯酸的产物气体混合物被分级冷凝 在设置有内部件的分离塔中,由于粗丙烯酸的侧流起飞而上升,形成的丙烯酸低聚物被解离,所得的解离气体在再循环之前经受逆流整流。