CATALYST COMPOSITION
    1.
    发明授权

    公开(公告)号:KR790001355B1

    公开(公告)日:1979-09-28

    申请号:KR750000006

    申请日:1975-01-04

    Abstract: A catalyst for the prepn. of acrylic acid from acrolein and the prepn. of methacrylic acid from methacrolein consists of U and (or) Th, W, V, and Mo oxides, and a small amt. of other metals. Thus, U2W1.2V3Mo12Ox was prepd. from an aq. suspension contg. MoO3,V2O5, and W powder which was refluxed 1hr and then treated with aq. UO2(OAc)2.2H2O.

    PROCESS FOR PRODUCTION OF ACRYLIC ACID OR METHACRYLIC ACID

    公开(公告)号:KR790001265B1

    公开(公告)日:1979-09-20

    申请号:KR740003996

    申请日:1974-11-05

    Abstract: Catalysts(I) for oxidn. of (meta)acrolein to (meta) acrylic acid at 200-500≦̸C with improved selectivity contain oxides or oxide complexes of Ce, W,V, Mo, and optionally, Fe, Co, Ni, Zr, Cu, Mg, Mn, Bi, Ti, Zr, Sn, P, transition, alkali, alk. earth, or lanthanide metals. I also was very useful for oxidn. of butadien to maleic anhydride and oxidn. esterification of usatd. aldehyde to corresponding unsatd. polyester.

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