公开(公告)号：EP1459803A4

公开(公告)日：2006-05-31

申请号：EP02786173

申请日：2002-12-20

申请人： ASAHI KASEI CHEMICALS CORP

发明人： WATANABE TORU ,  NAGANO OSAMU

IPC分类号： B01J23/887 ,  B01J23/00 ,  B01J23/888 ,  C07C45/35 ,  C07C45/37 ,  C07C45/78 ,  C07C45/82 ,  C07C47/22 ,  C07C67/39

CPC分类号： C07C45/82 ,  B01J23/002 ,  B01J23/8876 ,  B01J23/8885 ,  B01J2523/00 ,  C07C45/35 ,  C07C45/37 ,  C07C45/783 ,  C07C67/39 ,  C07C47/22 ,  C07C69/54 ,  B01J2523/14 ,  B01J2523/15 ,  B01J2523/3718 ,  B01J2523/53 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/13 ,  B01J2523/22 ,  B01J2523/3712 ,  B01J2523/847 ,  B01J2523/3706 ,  B01J2523/3787 ,  B01J2523/3737 ,  B01J2523/36 ,  B01J2523/3725

摘要： An oxide catalyst composition for use in producing methacrolein or a mixture of methacrolein and methacrylic acid, wherein the oxide catalyst composition is represented by the formula (Mo + W)12 Bia Ab Bc Fed Xe Sbf Og , wherein: A is at least one member selected from the group consisting of Y and the elements of the lanthanoid series exclusive of Pm; B is at least one member selected from the group consisting of K, Rb and Cs; X is Co solely, or a mixture of Co and at least one member selected from the group consisting of Mg and Ni; and a, b, c, d, e, f and g are, respectively, the atomic ratios of Bi, A, B, Fe, X, Sb and O, relative to twelve atoms of the total of Mo and W, wherein the atomic ratios (a to f) of the elements and the relationship between the amounts of the elements are chosen so as to satisfy specific requirements.