Production of methacrolein from isobutyraldehyde utilizing promoted iron
phosphorus oxide catalysts
    1.
    发明授权
    Production of methacrolein from isobutyraldehyde utilizing promoted iron phosphorus oxide catalysts 失效
    使用促进的铁磷氧化物催化剂从异丁醛生产异丁烯醛

    公开(公告)号:US4381411A

    公开(公告)日:1983-04-26

    申请号:US276312

    申请日:1981-06-22

    IPC分类号: C07C45/65 C07C45/32

    CPC分类号: C07C45/65

    摘要: A process is provided for the oxydehydrogenation of aldehydes such as isobutyraldehyde with oxygen in the presence of iron phosphorus oxide catalysts containing promoters selected from Ag, Al, B, Be, Cd, Co, Cr, Cu, Ga, Ge, In, Mn, Ni, Te, Th, Ti, Tl, U, V, Zn, Zr, rare earths and mixtures thereof.

    摘要翻译: 在含有选自Ag,Al,B,Be,Cd,Co,Cr,Cu,Ga,Ge,In,Mn中的促进剂的铁磷氧化物催化剂存在下,提供了用于氧气脱氢醛,例如异丁醛与氧的方法, Ni,Te,Th,Ti,Tl,U,V,Zn,Zr,稀土及其混合物。

    Process for the production of carboxylic acids
    3.
    发明授权
    Process for the production of carboxylic acids 失效
    羧酸生产工艺

    公开(公告)号:US4408071A

    公开(公告)日:1983-10-04

    申请号:US262077

    申请日:1981-05-11

    摘要: Aldehydes, such as acetaldehyde, are oxidized to carboxylic acids, such as acetic acid, by contacting the aldehyde with oxygen at oxidative conditions in the presence of a catalyst of the empirical formulaMo.sub.12 P.sub.0.1-3 Cu.sub.0.01-2 V.sub.0.1-3 M.sub.0.1-3 M'.sub.0.01-3 O.sub.x (I)whereM is at least one of K, Rb, Cs and Tl;M' is at least one of Be, Mg, Ca, Sr, Ba, Nb, Ti, Zr, Ta, Mn, Fe, Co, Ni, Zn, Ag, Al, Ge, Sn, Pb, As, Bi, Te, Ce, Th, U and Sb; andx is a number that satisfies the valence requirements of the other elements present.

    摘要翻译: 通过在经验式Mo12P0.1-3Cu0.01-2V0.1-3M0的催化剂存在下,在氧化条件下使醛与氧接触,将醛如乙醛氧化成羧酸,如乙酸。 1-3M'0.01-3Ox(I)其中M是K,Rb,Cs和T1中的至少一个; M'是Be,Mg,Ca,Sr,Ba,Nb,Ti,Zr,Ta,Mn,Fe,Co,Ni,Zn,Ag,Al,Ge,Sn,Pb,As,Bi,Te ,Ce,Th,U和Sb; 并且x是满足存在的其它元素的化合价要求的数。