Process for preparing iron-antimony-phosphorus-containing metal oxide catalysts for oxidation.

摘要

An iron-antimony-phosphorus-containing metal oxide catalyst for the catalytic oxidation, comprising a crystalline iron antimonate, the catalyst being represented by the following empirical formula: FeaSbbPcXdQeRfOg(SiO2)h wherein X represents at least one element selected from the group consisting of V, Mo and W; Q represents at least one element selected from the group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Sc, Y, La, Ce, Pr, Nd, Sm, Th, U, Ti, Zr, Hf, Nb, Ta, Cr, Mn, Re, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, Cu, Ag, Au, Zn, Cd, Hg, Al, Ga, In, Tl, Ge, Sn and Pb; R represents at least one element selected from the group consisting of B, As, Bi, Se and Te; a, b, c, d, e, f, g and h each is an atomic ratio as follows: a=about 5 to 15 b=about 5 to 100 c=about 1 to 30 d=about 0 to 10 e=about 0 to 15 f=about 0 to 10 h=about 0 to 300 g is a number of oxygen atom as determined corresponding to the oxides formed by combining the above-mentioned components; the atomic ratio of P/Fe is at least 0.3; the atomic ratio of P/Sb is at least 0.1; and the atomic ratio of P/X is at least 1 when d>0.