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    • 2. 发明公开
    • 산화/환원 반응용 백금계 촉매 및 그 용도
    • 用于氧化/还原反应的基于铂的催化剂及其用途
    • KR1020070067457A
    • 2007-06-28
    • KR1020050128780
    • 2005-12-23
    • 에스케이이노베이션 주식회사
    • 곽병성윤영식김진홍임미숙
    • B01J23/40B01J23/36B01J21/06B01J21/00
    • B01J23/6567B01D53/865B01D2255/1021B01D2255/206B01D2255/20715B01J23/63B01J35/0013B01J37/0211C01B3/16C01B3/583C01B2203/0283C01B2203/044C01B2203/047C01B2203/107Y02P20/52
    • A Pt-based catalyst prepared from a coating solution and a catalytic support having stability irrespective of types of Pt precursors including a Pt precursor that can sufficiently obtain an adding effect of Ce and the like and contains halogen is provided to suggest a method which simplifies the catalyst preparation process, improves the catalyst performance, and can apply the catalyst to a wide range of application fields for performing the oxidation/reduction reaction. A platinum-based catalyst for oxidation/reduction reaction is prepared by supporting a catalyst composition comprising (i) a water-soluble salt of at least one metal selected from cerium(Ce), zirconium(Zr) and rhenium(Re), (ii) a water-soluble Pt salt, (iii) an alkylene oxide having 2 to 10 carbon atoms, and (iv) water on a support comprising at least one of alumina, silica and titania, and drying and firing the catalyst composition supported on the support. The water-soluble metal salt is cerium nitrate. The water-soluble Pt salt is a compound that contains or does not contain a halogen element. The water-soluble Pt salt is chloroplatinic acid(H2PtCl6). The alkylene oxide is propylene oxide or butylene oxide.
    • 提供了一种由涂层溶液和催化载体制备的Pt基催化剂,其具有稳定性,不管Pt类型前体如何,可以充分获得Ce等添加效果并含有卤素的Pt前体,具有稳定性,提出了一种简化 催化剂制备方法,提高催化剂性能,并可将催化剂应用于进行氧化/还原反应的广泛应用领域。 通过负载催化剂组合物来制备用于氧化/还原反应的铂基催化剂,所述催化剂组合物包含(i)至少一种选自铈(Ce),锆(Zr)和铼(Re)的金属的水溶性盐,(ii) ),水溶性Pt盐,(iii)具有2至10个碳原子的环氧烷烃,和(iv)在包含氧化铝,二氧化硅和二氧化钛中的至少一种的载体上的水,并且将负载在 支持。 水溶性金属盐是硝酸铈。 水溶性Pt盐是含有或不含有卤素元素的化合物。 水溶性Pt盐是氯铂酸(H2PtCl6)。 环氧烷是环氧丙烷或环氧丁烷。