are excellent catalysts for the oxidation of methacrolein to methacrylic acid."/>
Phosphomolybdic-acid catalysts, production thereof and their use in the oxidation of methacrolein to methacrylic acid
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Phosphomolybdic-acid catalysts, production thereof and their use in the oxidation of methacrolein to methacrylic acid
Phosphomolybdic-acid catalysts, production thereof and their use in the oxidation of methacrolein to methacrylic acid
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机译：磷钼酸催化剂，其生产及其在甲基丙烯醛氧化为甲基丙烯酸中的用途
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摘要
Compositions of the empirical formula: Mo12 Po.1-3 M0.1-3 Cu0.1-2 V0.1-2 X0.1-2 Ya Ob (1) where M is at least one of K, Rb and Cs;X is at least one of Ba, La, Ga, Al, Ag, Cd, Ti, TI, Hg, Pb and Zn;Y is at least one of Fe, Co, Ni, Sr, Mn, In, Ta, Ge, S and Be when a 0;a is a number of 0 to about 2; andb is a number that satisifies the valence requirements of the other elements present,are excellent catalysts for the oxidation of methacrolein to methacrylic acid.
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机译：经验公式的组成：Mo 12 Po。 1 - 3 M 0.1-3 Cu 0.1 -2 V 0.1-2 X 0.1-2 Y a O b （1）其中M是K，Rb和Cs中的至少一个; X是Ba，La，Ga，Al，Ag，Cd，Ti，TI，Hg，Pb和Zn中的至少一种; 0时，Y是Fe，Co，Ni，Sr，Mn，In，Ta，Ge，S和Be中的至少一种; a是0至约2的数; b是满足其他存在元素的价数要求的数字。 是将甲基丙烯醛氧化为甲基丙烯酸的极好催化剂。
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