Highly dispersed cuprous compositions
    4.
    发明授权
    Highly dispersed cuprous compositions 失效
    高度分散的亚铜组合物

    公开(公告)号:US5126310A

    公开(公告)日:1992-06-30

    申请号:US572067

    申请日:1990-08-23

    IPC分类号: B01J20/06 B01J20/32

    摘要: The present invention is directed to active compositions, such as adsorbents and catalysts, which comprise cuprous compounds dispersed on amorphous oxide or carbon macroporous supports. The compositions are prepared by impregnating cupric compounds on pretreated supports with the aid of an aqueous solution of an ammonium salt of a di- or polycarboxylic acid dispersant, such as ammonium citrate, followed by activation of the cupric compound or reduction of the cupric compound to the corresponding cuprous compound. Methods of synthesis and processes utilizing the compositions are also disclosed.

    摘要翻译: 本发明涉及包含分散在无定形氧化物或碳大孔载体上的亚锡化合物的活性组合物,例如吸附剂和催化剂。 通过二 - 或多元羧酸分散剂如柠檬酸铵的铵盐水溶液将铜化合物浸渍在预处理的载体上,然后活化铜化合物或将铜化合物还原成 相应的亚铜化合物。 还公开了使用组合物的合成方法和方法。

    Technique for surface oxidation of activated carbon
    8.
    发明授权
    Technique for surface oxidation of activated carbon 失效
    活性炭表面氧化技术

    公开(公告)号:US4702749A

    公开(公告)日:1987-10-27

    申请号:US877827

    申请日:1986-06-24

    IPC分类号: C01B31/08 C01B31/12 B01D53/04

    摘要: A mild oxidizing acid wash of activated carbon in the presence of an oxidation catalyst produces an adsorbent, with a large carboxyl IR spectra peak, having a favorable water adsorption isotherm that can be used for both pressure swing adsorption, PSA, or thermal swing adsorption, TSA, drying of gases. The oxidation catalyst is a metal salt wherein the metal is selected from the group consisting of copper, chromium and nickel.

    摘要翻译: 在氧化催化剂存在下,活性炭的温和氧化酸洗涤产生具有大的羧基红外光谱峰的吸附剂,具有可用于变压吸附,PSA或热变形吸附两者的有利的吸水等温线, TSA,气体干燥。 氧化催化剂是金属盐,其中金属选自铜,铬和镍。