Method for ammoxidation of paraffins and catalyst system therefor
    2.
    发明授权
    Method for ammoxidation of paraffins and catalyst system therefor 失效
    链烷烃的氧化方法及其催化剂体系

    公开(公告)号:US4897504A

    公开(公告)日:1990-01-30

    申请号:US270188

    申请日:1988-11-14

    CPC classification number: B01J23/31 B01J23/8876 B01J37/04 C07C253/24 Y02P20/52

    Abstract: Disclosed is ammoxidation of C.sub.3 to C.sub.5 acyclic alkanes with NH.sub.3 and O.sub.2 using (1) a mole ratio of alkane:NH.sub.3 in the range from 2 to 16 and a mole ratio of alkane:O.sub.2 in the range 1 to 10 and (2) a mixture of particulate catalyst compositions, the first being especially effective to promote formation of an unsaturated nitrile and an olefin from the paraffin, and the second catalyst composition being especially effective to promote the conversion of the olefin to the unsaturated mononitrile. Catalyst compositions useful in the process are also disclosed.

    Abstract translation: 公开了使用(1)烷烃:NH 3的摩尔比在2至16和烷烃:O 2的摩尔比在1至10的范围内和(2)a(a)的情况下,使用NH 3和O 2使C3至C5无环烷烃氨氧化 颗粒催化剂组合物的混合物,第一种特别有效促进从石蜡形成不饱和腈和烯烃,第二催化剂组合物特别有效促进烯烃转化为不饱和单腈。 还公开了可用于该方法的催化剂组合物。

    Process for the photochemical dehydrogenation of alcohols with
semiconductor powder suspensions
    7.
    发明授权
    Process for the photochemical dehydrogenation of alcohols with semiconductor powder suspensions 失效
    用半导体粉末悬浮液对醇进行光化学脱氢的方法

    公开(公告)号:US4655891A

    公开(公告)日:1987-04-07

    申请号:US643151

    申请日:1984-08-22

    Abstract: A process for the photochemical dehydrogenation of alcohols comprises the steps of forming a suspension of semiconductor powder in the alcohol and photochemically activating the suspension in the presence of an oxidant with illumination having an energy at least equal to the band gap of the semiconductor powder. The process is one carried out at about ambient temperature and with gentle agitation. The semiconductor powder has the general formula A.sub.x B.sub.y C.sub.z where A is selected from Bi, Sn, Pt, Pd, Cu, Fe, W, V, Sb, Mo, Ru or Ag and mixtures thereof; B is Te, Sb, Ti, Cd, Mo, W or V and mixtures thereof; C is O or S; x equals 0.1 to 5; y equals 1 to 3; and z is a number necessary to satisfy the other elements, and is optionally metallized by an element selected from Pt, Pd, Cu or Ag.

    Abstract translation: 用于醇的光化学脱氢的方法包括以下步骤:在醇中形成半导体粉末的悬浮液,并在氧化剂存在下光化学活化悬浮液,其光照至少等于半导体粉末的带隙。 该方法是在大约环境温度下进行,同时轻轻摇动。 半导体粉末具有通式AxByCz,其中A选自Bi,Sn,Pt,Pd,Cu,Fe,W,V,Sb,Mo,Ru或Ag及其混合物; B是Te,Sb,Ti,Cd,Mo,W或V及其混合物; C为O或S; x等于0.1至5; y等于1到3; 并且z是满足其它元素所需的数目,并且任选地通过选自Pt,Pd,Cu或Ag的元素进行金属化。

    Method for ammoxidation of paraffins and catalyst system therefor
    9.
    发明授权
    Method for ammoxidation of paraffins and catalyst system therefor 失效
    链烷烃的氧化方法及其催化剂体系

    公开(公告)号:US4883896A

    公开(公告)日:1989-11-28

    申请号:US270988

    申请日:1988-11-14

    CPC classification number: B01J23/8876 B01J23/31 B01J37/04 C07C253/24 Y02P20/52

    Abstract: Disclosed is ammoxidation of C.sub.3 to C.sub.5 acyclic alkanes with NH.sub.3 and O.sub.2 using (1) a mole ratio of alkane:NH.sub.3 in the range from 2 to 16 and a mole ratio of alkane:O.sub.2 in the range 1 to 10 and (2) a mixture of particulate catalyst compositions, the first being especially effective to promote formation of an unsaturated nitrile and an olefin from the paraffin, and the second catalyst composition being especially effective to promote the conversion of the olefin to the unsaturated mononitrile. Catalyst compositions useful in the process are also disclosed.

    Abstract translation: 公开了使用(1)烷烃:NH 3的摩尔比在2至16和烷烃:O 2的摩尔比在1至10的范围内和(2)a(a)的情况下,使用NH 3和O 2使C3至C5无环烷烃氨氧化 颗粒催化剂组合物的混合物,第一种特别有效促进从石蜡形成不饱和腈和烯烃,第二催化剂组合物特别有效促进烯烃转化为不饱和单腈。 还公开了可用于该方法的催化剂组合物。

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