Process for the manufacture of acrolein from propylene by a redox
reaction and use of a solid mixed oxide composition as redox system in
the said reaction
    1.
    发明授权
    Process for the manufacture of acrolein from propylene by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction 失效
    通过氧化还原反应从丙烯制造丙烯醛的方法和在所述反应中使用固体混合氧化物组合物作为氧化还原体系

    公开(公告)号:US6080893A

    公开(公告)日:2000-06-27

    申请号:US31665

    申请日:1998-02-27

    CPC分类号: C07C45/28

    摘要: A mixed oxide solid composition of formula (I):Mo.sub.12 W.sub.a Bi.sub.b Fe.sub.c Co.sub.d Ni.sub.e Si.sub.f K.sub.g Sn.sub.h O.sub.x (I)where O.ltoreq.a.ltoreq.5, 0.5.ltoreq.b.ltoreq.5, 0.1.ltoreq.c.ltoreq.10, 0.5.ltoreq.d.ltoreq.10, 0.ltoreq.e.ltoreq.10, 0.ltoreq.f.ltoreq.15, 0.ltoreq.g.ltoreq.1, 0.ltoreq.h.ltoreq.2 and x is the quantity of oxygen bonded to the other elements and depends on their oxidation states, is used in the manufacture of acrolein by oxidizing propylene, the solid composition reacting with propylene according to the redox reaction (1):solid.sub.oxidized +propylene.fwdarw.solid.sub.reduced +acrolein(I)To manufacture acrolein, gaseous propylene is passed over a solid composition of formula (I), to conduct the redox reaction (1) by operating at a temperature of 200 to 600.degree. C., at a pressure of 1.01.times.10.sup.4 to 1.01 to 10.sup.6 Pa (0.1 to 10 atmospheres) and with a residence time of 0.01 second to 90 seconds, in the absence of molecular oxygen.

    摘要翻译: 式(I)的混合氧化物固体组合物:Mo12WaBibFecCodNieSifKgSnhOx(I)其中O 固体还原+丙烯醛(I )为了制备丙烯醛,气态丙烯通过式(I)的固体组合物,通过在200至600℃的温度下操作,在1.01×10 4至1​​.01至106的压力下进行氧化还原反应(1) Pa(0.1〜10个大气压),停留时间为0.01秒〜90秒,不存在分子氧。

    Solid mixed oxide composition containing molybdenum, cobalt and bismuth, which is suitable for the manufacture of acrolein from propylene by a redox reaction
    2.
    发明授权
    Solid mixed oxide composition containing molybdenum, cobalt and bismuth, which is suitable for the manufacture of acrolein from propylene by a redox reaction 失效
    含有钼,钴和铋的固体混合氧化物组合物,适用于通过氧化还原反应从丙烯制备丙烯醛

    公开(公告)号:US06251821B1

    公开(公告)日:2001-06-26

    申请号:US09459888

    申请日:1999-12-14

    IPC分类号: B01J2300

    CPC分类号: C07C45/28 C07C47/22

    摘要: A mixed oxide solid composition of the formulas (I): (a) Mo12Co4.7Bi1Ni2.6Fe3.7W0.5Sn0.5Si1K0.08Ox; (b) Mo12Co3.5Bi1.1Fe0.8W0.5Si1.4K0.05Ox; and (c) Mo12Co3.8Bi1.2Fe0.9W1.1Si1.5K0.05Ox, wherein x is the quantity of oxygen bonded to the other elements and depends on their oxidation states, is suitable for the manufacture of acrolein by oxidizing propylene. The solid composition reacts with propylene according to the redox reaction (1): solidoxidized+propylene→solidreduced+acrolein  (1) To manufacture acrolein, gaseous propylene is passed over the solid composition. Redox reaction (1) is conducted at a temperature of 200 to 600° C., at a pressure of 1.01×104 to 1.01 to 106 Pa (0.1 to 10 atmospheres) and with a residence time of 0.01 second to 90 seconds, in the absence of molecular oxygen.

    摘要翻译: 式(I):( a)Mo12Co4.7Bi1Ni2.6Fe3.7W0.5Sn0.5Si1K0.08Ox的混合氧化物固体组合物;(b)Mo12Co3.5Bi1.1Fe0.8W0.5Si1.4K0.05Ox; 和(c)Mo12Co3.8Bi1.2Fe0.9W1.1Si1.5K0.05Ox,其中x是与其他元素结合并依赖于其氧化态的氧的量,适用于通过氧化丙烯制备丙烯醛。 固体组合物根据氧化还原反应(1)与丙烯反应:为了制备丙烯醛,气态丙烯通过固体组合物。 氧化还原反应(1)在200〜600℃的温度下,在1.01×10 4〜1.01〜10 6 Pa(0.1〜10个大气压)的压力下进行,停留时间为0.01秒〜90秒, 的分子氧。