Aftertreatment method of hydrogenation carry-out object including solvent
    1.
    发明专利
    Aftertreatment method of hydrogenation carry-out object including solvent 有权
    加氢处理对象包括溶剂的后处理方法

    公开(公告)号:JP2014111593A

    公开(公告)日:2014-06-19

    申请号:JP2013236843

    申请日:2013-11-15

    Abstract: PROBLEM TO BE SOLVED: To provide a method in which a solvent can be effectively separated from a hydrogenation carry-out object that is obtained from catalytic hydrogenation and includes a water soluble hydrogenation product material, and that includes the solvent.SOLUTION: A method for separating a solvent from a hydrogenation carry-out object including a solvent is characterized in that the hydrogenation carry-out object is added with water, a phase that includes the solvent is separated and is returned to hydrogenation, in a method for separating the solvent from the hydrogenation carry-out object that includes a water soluble hydrogenation product material that has at least one alcohol, lactone, ether, lactam or an amino group in the solvent that cannot be mixed with water or cannot be mixed with water completely and has a boiling point of lower than 100°C, and that includes the solvent generated from a catalytic hydrogenation method.

    Abstract translation: 要解决的问题:提供一种方法,其中溶剂可以有效地从由催化氢化获得的氢化促进物体分离,并且包括水溶性氢化产物材料,并且包括溶剂。溶液:一种用于 从包含溶剂的氢化进行物质中分离溶剂的特征在于,将氢化进行物体加入水中,将溶剂分离并返回到氢化的相,将溶剂从 所述氢化进行物包括在溶剂中具有至少一种醇,内酯,醚,内酰胺或氨基的水溶性氢化产物材料,其不能与水混合或不能与水完全混合并具有沸腾 低于100℃,并且包括由催化氢化方法产生的溶剂。

    PROCESS FOR SEPARATING OFF FUMARIC ACID AND OTHER MINOR COMONENTS DURING THE PRODUCTION OF MALEIC ANHYDRIDE

    公开(公告)号:MY151991A

    公开(公告)日:2014-07-31

    申请号:MYPI20104302

    申请日:2009-03-23

    Applicant: BASF SE

    Abstract: PROCESSES FOR DECREASING FUMARIC ACID DEPOSITS IN PREPARING MALEIC ANHYDRIDE BY HETEROGENEOUSLY CATALYZED OXIDATION OF A HYDROCARBON WITH MOLECULAR OXYGEN. MALEIC ANHYDRIDE IS ABSORBED FROM THE CRUDE MIXTURE IN AN ABSORBENT IN AN ABSORPTION COLUMN AND DESORBED IN A DESORPTION COLUMN, THE ENTIRETY OR PORTION OF ABSORBENT DEPLETED IN MALEIC ANHYDRIDE, FOR CONTROLLED PRECIPITATION OF FUMARIC ACID, BEING COOLED AND/OR CONCENTRATED BY EVAPORATING A PORTION OF ABSORBENT SUCH THAT THE DIFFERENCE BETWEEN THE CONCENTRATION OF FUMARIC ACID IN THE RECYCLE STREAM AT THE OUTLET OF THE DESORPTION COLUMN UNDER EXISTING CONDITIONS AND THE EQUILIBRIUM CONCENTRATION OF FUMARIC ACID ACCORDING TO THE SOLUBILITY CURVE AFTER COOLING AND/OR EVAPORATION OF A PORTION OF ABSORBENT IS ?25O PPM BY WEIGHT, AND THE FUMARIC ACID PRECIPITATED AS A SOLID IS REMOVED COMPLETELY OR PARTLY FROM THE ABSORBENT RECYCLING SYSTEM AND THE FUMARIC ACID-DEPLETED ABSORBENT IS RECYCLED COMPLETELY OR PARTLY TO THE ABSORPTION COLUMN. (FIGURE 1)

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