Production of lactones and omega-hydroxycarboxylic acids
    44.
    发明授权
    Production of lactones and omega-hydroxycarboxylic acids 失效
    生产内酯和ω-羟基羧酸

    公开(公告)号:US4870192A

    公开(公告)日:1989-09-26

    申请号:US918683

    申请日:1986-10-14

    IPC分类号: C07C51/285 C07D315/00

    CPC分类号: C07D315/00 C07C51/285

    摘要: This invention provides process embodiments for shape-selective oxidation of cyclic ketones to lactone and/or omega-hydroxycarboxylic acid products in the presence of a zeolite catalyst composition such as ZSM-5 or zeolite Beta.Cyclohexanone can be converted to epsilon-caprolactone or 6-hydroxycaproic acid as a main product under selected conditions.

    摘要翻译: 本发明提供了在沸石催化剂组合物如ZSM-5或沸石ββ存在下将环酮形式选择性氧化成内酯和/或ω-羟基羧酸产物的方法实施方案。 环己酮可以在选定的条件下转化为ε-己内酯或6-羟基己酸作为主要产物。

    Zeolite modification and its use in conversion of alcohols and ethers to
hydrocarbons
    48.
    发明授权
    Zeolite modification and its use in conversion of alcohols and ethers to hydrocarbons 失效
    沸石改性及其在醇和醚转化成烃的应用

    公开(公告)号:US4665248A

    公开(公告)日:1987-05-12

    申请号:US787184

    申请日:1985-10-15

    IPC分类号: B01J29/40 B01J29/70 C07C1/20

    摘要: The ion-exchange capacity and acid catalytic activity of a ZSM-5 type zeolite are increased by treatment of a physical mixture of the zeolite and an inorganic oxide with water in the presence of an alkali metal cation.Specifically, the catalyst is prepared by contacting a mixture of a crystalline zeolite having a silica to alumina ratio above 12 and a Constraint Index between about 1 and about 12, and a solid source of aluminum with liquid water in the presence of an activating amount of an alkali metal cation and under a combination of conditions including a temperature up to about 370.degree. C. for less than about an hour to about 100 hours to induce increased activity to the zeolite.

    摘要翻译: ZSM-5型沸石的离子交换能力和酸催化活性通过在碱金属阳离子存在下处理沸石和无机氧化物的物理混合物与水而增加。 具体地说,催化剂是通过使二氧化硅与氧化铝之比高于12的结晶沸石和约1至约12的约束指数的混合物与固体的铝水溶液接触而制备的, 碱金属阳离子,并且在包括温度高达约370℃的条件的组合下反应少于约1小时至约100小时以诱导沸石活性增加。

    Hydrothermal activation of acid zeolites with aluminum phosphates
    49.
    发明授权
    Hydrothermal activation of acid zeolites with aluminum phosphates 失效
    用磷酸铝水热激活酸性沸石

    公开(公告)号:US4605637A

    公开(公告)日:1986-08-12

    申请号:US693444

    申请日:1985-01-22

    摘要: There is provided a process for activating a zeolite with an aluminum phosphate material. The process comprises hydrothermally treating an intimate mixture of the zeolite and an effective amount of aluminum phosphate activating agent in contact with an aqueous liquid phase under reaction conditions to increase the cracking activity of the mixture. Examples of zeolites which may be activated include low acidity zeolites such as boron-containing ZSM-5, boron-containing zeolite Beta and high silica ZSM-5. The aluminum phosphate may be in the form of a microporous, crystalline framework material such as AlPO.sub.4 -5.

    摘要翻译: 提供了用磷酸铝材料活化沸石的方法。 该方法包括在反应条件下水热处理沸石和有效量的磷酸铝活化剂与水性液相接触的紧密混合物,以增加混合物的裂解活性。 可以被活化的沸石的实例包括低酸性沸石,例如含硼的ZSM-5,含硼沸石β和高二氧化硅ZSM-5。 磷酸铝可以是微孔,结晶骨架材料如AlPO 4 -5的形式。