METHOD FOR REMOVING ACID GAS COMPONENTS FROM GASES

    公开(公告)号:MY124243A

    公开(公告)日:2006-06-30

    申请号:MYPI9902674

    申请日:1999-06-28

    Applicant: BASF AG

    Abstract: A PROCESS FOR REMOVING ACIDIC GAS CONSTITUENTS, OF THE GROUP CONSISTING OF CO2, H2S, COS, CS2 AND MERCAPTANS, FROM GASES, IN WHICH, IN AN ABSORPTION STEP, A DIRTY GAS RICH IN ACIDIC GAS CONSTITUENTS IS BROUGHT INTO CONTACT WITH AN ABSORPTION MEDIUM, AS A RESULT OF WHICH A CLEAN GAS LOW IN ACIDIC GAS CONSTITUENTS AND AN ABSORPTION MEDIUM LADEN WITH ACIDIC GAS CONSTITUENTS ARE OBTAINED, THE ABSORPTION MEDIUM USED BEING A MIXTURE COMPRISING A) FROM 0.1 TO 50% BY WEIGHT OF ONE OR MORE MONO-CYCLIC OR BICYCLIC NITROGEN HETEROCYCLES WHICH ARE UNSUBSTITUTED AND/OR MONOSUBSTITUTED OR POLYSUBSTITUTED ON THE CARBON BY OH, C1-C3 ALKYL AND/OR C1-C3 HYDROXYALKYL AND WHICH HAVE FROM 5 TO 14 RING ATOMS AND 1 OR 2 HETEROCYCLICALLY BOUND NITROGEN ATOMS PER RING AS COMPONENT A,B) FROM 1 TO 60% BY WEIGHT OF A MONOHYDRIC AND/OR POLYHYDRIC ALCOHOL AS COMPONENT B,C) FROM 0 TO 60% BY WEIGHT OF AN ALIPHATIC AMINOALCOHOL AS COMPONENT C,D) FROM 0 TO 98.9% BY WEIGHT OF WATER AS COMPONET D,E) FROM 0 TO 35% BY WEIGHT OF K2CO3 AS COMPONENT E,WHERE THE SUM COMPONENTS A,B,C,D AND E IS 100% BY WEIGHT.FIG 1

    3.
    发明专利
    未知

    公开(公告)号:DE58901178D1

    公开(公告)日:1992-05-21

    申请号:DE58901178

    申请日:1989-11-07

    Applicant: BASF AG

    Abstract: Hydroxylamine derivatives have the general formula I Aryl-A-O-B I where Aryl is an unsubstituted or substituted, mononuclear or binuclear, isocyclic radical; A is a 1,4-butenylene group of the general formulae IIa or IIb IIa IIb where R1, R2, R3, R4 and R5 are each hydrogen, halogen, C1-C6-alkyl or C1-C6-alkenyl; B is NH2 or a dicarboximide group of the general formula III III where Z is unsubstituted or substituted phenylene, naphthylene, pyridinylene, cyclopentylene, cyclohexylene, cyclohexenylene, C2-C4-alkenylene or C2-C4-alkylene. The dicarboximides are intermediates for the compounds wherein B is NH2. The latter are used in synthesizing herbicidal compounds.

Patent Agency Ranking