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    METHOD FOR THE REMOVING WATER FROM A MIXTURE CONTAINING WATER AND ZINC CHLORIDE
    11.
    发明专利
    METHOD FOR THE REMOVING WATER FROM A MIXTURE CONTAINING WATER AND ZINC CHLORIDE 未知

    公开(公告)号：MY134373A

    公开(公告)日：2007-12-31

    申请号：MYPI20032328

    申请日：2003-06-23

    Applicant: BASF AG

    Inventor： JUNGKAMP TIM DR ,  SCHEIDEL JENS DR ,  LUYKEN HERMANN ,  BARTSCH MICHAEL DR ,  BAUMANN ROBERT DR ,  HADERLEIN GERD DR

    IPC: C01G9/04 ,  B01D3/36 ,  C07C253/34 ,  F26B5/00 ,  F26B7/00

    Abstract: A PROCESS FOR THE REMOVAL OF WATER FROM A MIXTURE COMPRISING WATER AND ZINC CHLORIDE, WHICH COMPRISES ADDING TO SAID MIXTURE COMPRISING WATER AND ZINC CHLORIDE AN APROTIC, POLAR DILUENT WHOSE BOILING POINT IN THE CASE WHERE AN AZEOTROPE IS NOT FORMED BETWEEN SAID DILUENT AND WATER UNDER THE PRESSURE CONDITIONS OF THE DISTILLATION MENTIONED BELOW IS HIGHER THAN THE BOILING POINT OF WATER AND WHICH IS IN LIQUID FORM AT THIS BOILING POINT OF WATER OR WHICH FORMS AN AZEOTROPE OR HETEROAZEOTROPE WITH WATER UNDER THE PRESSURE AND TEMPERATURE CONDITIONS OF THE DISTILLATION MENTIONED BELOW, AND DISTILLING THE MIXTURE COMPRISING WATER, ZINC CHLORIDE AND THE DILUENT WITH REMOVAL OF WATER OR SAID AZEOTROPE OR SAID HETEROAZEOTROPE FROM THIS MIXTURE, GIVING AN ANHYDROUS MIXTURE COMPRISING ZINC CHLORIDE AND SAID DILUENT.

    METHOD FOR PRODUCING DINITRILES
    15.
    发明专利
    METHOD FOR PRODUCING DINITRILES 未知

    公开(公告)号：MY138391A

    公开(公告)日：2009-05-29

    申请号：MYPI20050332

    申请日：2005-01-28

    Applicant: BASF AG

    Inventor： JUNGKAMP TIM DR ,  BAUMANN ROBERT DR ,  BARTSCH MICHAEL DR ,  HADERLEIN GERD DR ,  LUYKEN HERMANN ,  SCHEIDEL JENS DR

    IPC: C07C253/10 ,  C07C255/04

    Abstract: A PROCESS IS DESCRIBED FOR PREPARING ADIPONITRILE AND METHYLGLUTARONITRILE, CHARACTERIZED BY THE FOLLOWING PROCESS STEPS: (A) REACTING A REACTANT STREAM COMPRISING PENTENENITRILES WITH HYDROGEN CYANIDE IN THE PRESENCE OF AT LEAST ONE CATALYST AND OF AT LEAST ONE PROMOTER TO OBTAIN A REACTION STREAM WHICH COMPRISES PENTENENITRILES, THE AT LEAST ONE CATALYST, CATALYST DEGRADATION PRODUCTS, THE AT LEAST ONE PROMOTER, ADIPONITRILE AND METHYLGLUTARONITRILE, (B) DISTILLING THE REACTION STREAM TO OBTAIN A STREAM 3 WHICH IS DEPLETED IN PENTENENITRILES AND COMPRISES THE AT LEAST ONE CATALYST, CATALYST DEGRADATION PRODUCTS, THE AT LEAST ONE PROMOTER, ADIPONITRILE AND METHYLGLUTARONITRILE AS THE BOTTOM PRODUCT AND A STREAM 4 ENRICHED IN PENTENENITRILES AS THE TOP PRODUCT, (C) EXTRACTING THE STREAM 3 USING AN EXTRACTANT PRESENT IN STREAM 5 TO OBTAIN A STREAM 6 ENRICHED WITH EXTRACTANT AS THE TOP PRODUCT WHICH COMPRISES. THE CATALYST, AND A STREAM 7 DEPLETED IN EXTRACTANT AS THE BOTTOM PRODUCT WHICH COMPRISES CATALYST DEGRADATION PRODUCTS, THE AT LEAST ONE PROMOTER, PENTENENITRILES, ADIPONITRILE AND METHYLGLUTARONITRILE, (D) DISTILLING THE STREAM 6 TO OBTAIN A STREAM 8 COMPRISING THE CATALYST AS THE BOTTOM PRODUCT AND A STREAM 9 COMPRISING THE EXTRACTANT AS THE TOP PRODUCT, (E) DISTILLING THE STREAM 7 TO OBTAIN A STREAM 10 AS THE BOTTOM PRODUCT WHICH COMPRISES CATALYST DEGRADATION PRODUCTS, THE AT LEAST ONE PROMOTER, PENTENENITRILES, ADIPONITRILE AND METHYLGLUTARONITRILE, AND A STREAM 11 COMPRISING THE EXTRACTANT AS THE TOP PRODUCT. (F) DISTILLING THE STREAM 10 TO OBTAIN A STREAM 12 AS THE BOTTOM PRODUCT WHICH COMPRISES CATALYST DEGRADATION PRODUCTS, THE AT LEAST ONE PROMOTER, ADIPONITRILE AND METHYLGLUTARONITRILE, AND A STREAM 13 COMPRISING PENTENENITRILES AS THE TOP PRODUCT. (G) DISTILLING THE STREAM 12 TO OBTAIN A STREAM 14 AS THE BOTTOM PRODUCT WHICH COMPRISES CATALYST DEGRADATION PRODUCTS AND THE AT LEAST ONE PROMOTER, AND A STREAM 15 AS THE TOP PRODUCT WHICH COMPRISES ADIPONITRILE AND METHYLGLUTARONITRILE. (H) DISTILLING THE STREAM 15 TO OBTAIN A STREAM 16 COMPRISING ADIPONITRILE AS THE BOTTOMS AND A STREAM 17 COMPRISING METHYLGLUTARONITRILE AS THE TOP PRODUCT.

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