Process for preparing iron-antimony-phosphorus-containing metal oxide catalysts for oxidation
申请人:NITTO CHEMICAL INDUSTRY CO., LTD.
公开号:EP0404529A1
公开(公告)日:1990-12-27
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.
一种用于催化氧化的含铁锑磷金属氧化物催化剂,由结晶锑酸铁组成,该催化剂由以下经验式表示:
FeaSbbPcXdQeRfOg(SiO₂)h
其中 X 代表至少一种选自 V、Mo 和 W 组的元素;Q 代表选自由 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 和 Pb 组成的组中的至少一种元素;R 代表至少一种选自 B、As、Bi、Se 和 Te 组的元素;a、b、c、d、e、f、g 和 h 各为如下原子比值:
a=约 5 至 15
b=约 5 至 100
c=约 1 至 30
d=约 0 至 10
e=约 0 至 15
f=约 0 至 10
h=约 0 至 300
g 是与上述组分结合形成的氧化物相对应的氧原子数;P/Fe 的原子比至少为 0.3;P/Sb 的原子比至少为 0.1;当 d>0 时,P/X 的原子比至少为 1。