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    • 6. 发明公开
    • Honeycomb catalyst body
    • WabenförmigerKatalysatorkörper
    • EP2380650A1
    • 2011-10-26
    • EP11250155.6
    • 2011-02-11
    • NGK Insulators, Ltd.
    • Goto, ChikaYamashita, MasatakaMiyairi, Yukio
    • B01D46/24
    • B01D46/247B01D46/2429B01D46/2466B01D46/2474B01D53/9454B01D2046/2433B01D2046/2437B01D2255/102B01D2255/9155B01J23/63B01J35/0006B01J35/023B01J35/04B01J37/0248C04B35/195C04B38/0009C04B2111/0081C04B2235/6567Y02T10/22C04B35/00C04B38/0054C04B38/0074C04B38/0093
    • There is provided a honeycomb catalyst body 100 including: a honeycomb substrate 6 having porous partition walls 5 separating and forming a plurality of cells 4 passing through from an inflow side end face 2 to an outflow side end face 3 and functioning as fluid passages, plugging portions 8, and a three way catalyst. All the cells 4 are open in the inflow side end face 2, the honeycomb substrate 6 has two regions of an inflow side region 31 as a region on a fluid inflow side and an outflow side region 32 as a region on a fluid outflow side, the inflow side region 31 of the honeycomb substrate 6 is a region from the inflow side end face 2 to a position of 10 to 90% of a length in an central axial direction of the honeycomb substrate 6 from the inflow side end face 2, and 100 to 400 g/L of the three way catalyst is loaded on the partition walls 5 in the inflow side region 31, no catalyst is loaded on the partition walls 5 in the outflow side region 32, and a ratio of the length in the central axial direction of the honeycomb substrate 6 to a diameter of the inflow side end face 2 of the honeycomb substrate 6 is 1.1 to 2.0.
    • 提供了一种蜂窝状催化剂体100,其具有:具有多孔分隔壁5的蜂窝状基材6,其分离并形成从流入侧端面2流通到流出侧端面3的多个单元4,作为流体通路,堵塞 部分8和三元催化剂。 所有的电池单元4在流入侧端面2处开口,蜂窝基板6具有作为流体流入侧的区域的流入侧区域31和作为流体流出侧的区域的流出侧区域32的两个区域, 蜂窝基板6的流入侧区域31是从流入侧端面2到从流入侧端面2到蜂窝基板6的中心轴方向的长度的10〜90%的位置的区域, 在流入侧区域31的分隔壁5上装载100〜400g / L的三元催化剂,在流出侧区域32的隔壁5上没有载荷催化剂,中央部 蜂窝基板6的轴向方向与蜂窝基板6的流入侧端面2的直径为1.1〜2.0。