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    • 7. 发明授权
    • Ceramic catalyst body
    • 陶瓷催化剂体
    • US07183236B2
    • 2007-02-27
    • US10633593
    • 2003-08-05
    • Tomomi HaseTomohiko NakanishiHideaki UenoTakatoshi Shinyoshi
    • Tomomi HaseTomohiko NakanishiHideaki UenoTakatoshi Shinyoshi
    • B01J35/04B01J23/00B01J20/00B01J21/00
    • B01D53/945B01J23/63B01J35/04B01J37/0203B01J37/0211B01J37/0217Y02T10/22Y10S502/524Y10S502/525
    • An object of the present invention is to realize low pressure loss and high purification performance in a constitution in which a primary catalyst component and co-catalyst component are loaded onto a ceramic support that allows catalyst components to be loaded directly. According to the present invention, a primary catalyst component in the form of a catalyst precious metal and a co-catalyst component in the form of an oxygen occluding component are loaded on the surface of a honeycomb-shaped ceramic support, including the inner surfaces of pores. As a result of the large loaded amount of co-catalyst component entering inside the pores, the loaded amount of co-catalyst component on the cell wall surfaces is reduced, thereby making it possible to inhibit increases in pressure loss. In addition, since the primary catalyst component and co-catalyst component are in close proximity to each other, catalyst performance is improved.
    • 本发明的目的在于,在将催化剂成分和助催化剂成分负载在能直接负载催化剂成分的陶瓷载体上的构成中,实现低压力损失和高净化性能。 根据本发明,催化剂贵金属形式的主催化剂组分和吸氧组分形式的助催化剂组分装载在蜂窝状陶瓷载体的表面上,包括内表面 毛孔 作为进入孔内的助催化剂成分的大负载量的结果,细胞壁表面上的助催化剂成分的负载量减少,从而可以抑制压力损失的增加。 此外,由于主催化剂组分和助催化剂组分彼此靠近,所以提高了催化剂性能。
    • 8. 发明授权
    • Production method of ceramic catalyst body
    • 陶瓷催化剂体的生产方法
    • US07084091B2
    • 2006-08-01
    • US10793953
    • 2004-03-08
    • Kazuhiko KoikeMasakazu TanakaTakumi SuzawaTomomi HaseTomohiko Nakanishi
    • Kazuhiko KoikeMasakazu TanakaTakumi SuzawaTomomi HaseTomohiko Nakanishi
    • B01J23/42B01J23/44B01J23/00B01J23/08B01J20/00
    • B01J35/04B01J23/40
    • This invention provides a method for producing a ceramic catalyst body that can directly support a catalyst on a ceramic support without disposing a coating layer on the ceramic support. In the invention, a catalyst solution containing a catalyst component consisting of a negative complex ion resulting from a catalyst precursor is prepared, and a pH of the catalyst solution is adjusted in such a manner as to satisfy the relation E1>E2 and E1>0 where E1 is a surface potential of a matrix phase consisting of a cordierite-W composite body relative to the pH of the catalyst solution and E2 is a surface potential of a dispersed phase consisting of compounds other than the cordierite-W composite body. After the ceramic support is brought into contact with the catalyst solution to support the catalyst component, heat-treatment is conducted to bond the matrix phase consisting of the cordierite-W composite body and the catalyst component to support the catalyst on the ceramic support.
    • 本发明提供了一种陶瓷催化剂体的制造方法,该陶瓷催化剂体可以直接在陶瓷载体上支撑催化剂,而不在陶瓷载体上设置涂层。 在本发明中,制备含有由催化剂前体产生的负配位离子组成的催化剂成分的催化剂溶液,调节催化剂溶液的pH以满足E 1> E 2和E 1> 0其中E 1是由堇青石-W复合体组成的基质相相对于催化剂溶液的pH的表面电位,E 2是由堇青石-W以外的化合物组成的分散相的表面电位 复合体。 陶瓷载体与催化剂溶液接触以支持催化剂组分之后,进行热处理以将由堇青石-W复合体和催化剂组分组成的基体相结合以将催化剂载持在陶瓷载体上。