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    • 7. 发明授权
    • Diesel exhaust gas catalyst
    • 柴油废气催化剂
    • US4710487A
    • 1987-12-01
    • US827412
    • 1986-02-07
    • Christian Koch
    • Christian Koch
    • B01D53/86B01J23/83B01J23/10B01J23/12B01J23/74
    • B01J23/83B01D53/865Y10S502/525
    • A catalyst for the reaction of hydrocarbons and gases and for the reduction of nitric oxides, includes the active substance thorium oxide in addition to LaCoO.sub.3. The catalyst has as the wash coat oxide-ceramic materials and spinels of the oxides of magnesium, aluminum, titanium and zirconium, with an addition of cerium oxide and lanthanum oxide, and preformed and acid-solubilized LaCoO.sub.3 as the active substance. The catalyst is formed without the active substance LaCoO.sub.3 for use as a high-temperature combustion catalyst. A process and apparatus is set forth for the application of the catalyst for after-burning of exhaust gases from diesel engines, with catalyst filler layers eccentrically disposed with respect to each other for the adsorption of soot particles, and with a catalyst honeycomb for after-burning and nitric oxide-reduction. The after-burning device is suitable also as a muffler.
    • 用于碳氢化合物和气体的反应和用于还原一氧化氮的催化剂除了LaCoO 3之外还包括活性物质氧化钍。 该催化剂具有氧化镁,铝,钛和锆的氧化物的洗涤氧化物 - 陶瓷材料和尖晶石,添加了氧化铈和氧化镧,并且预先形成和酸溶解的LaCoO 3作为活性物质。 形成催化剂,不用作高温燃烧催化剂的活性物质LaCoO 3。 阐述了一种方法和装置,用于将来自柴油发动机的废气后燃烧的催化剂应用于催化剂填料层,其中催化剂填料层相对于彼此偏心设置以吸附烟灰颗粒,并且具有催化剂蜂窝体, 燃烧和一氧化氮还原。 后燃烧装置也适用于消声器。
    • 8. 发明授权
    • Composite catalyst for treatment of vehicular exhaust gases and process
for the preparation of the catalyst
    • 用于处理车辆废气的复合催化剂和催化剂的制备方法
    • US4621071A
    • 1986-11-04
    • US679449
    • 1984-12-07
    • Gilbert BlanchardMichel Prigent
    • Gilbert BlanchardMichel Prigent
    • B01D53/94B01J23/10B01J23/12B01J23/36B01J23/40B01J23/56B01J23/63B01J23/66B01J23/89B01J37/00B01J37/02B01J21/04B01J23/64
    • B01J37/0009B01J23/56B01J23/66B01J37/0236
    • A composite active phase/support catalyst adapted for the treatment of internal combustion engine exhaust gases, the active phase of which comprising at least one metal from a first group comprising platinum, palladium, iridium, rhodium, ruthenium, rhenium, silver, gold or plurality thereof and at least one additional metal and the support therefor comprising binder/filler admixture, is facilely prepared by (i) intimately admixing the binder and filler support material with at least 50% by weight but less than all of said at least one first group metal, or precursor thereof, and/or of said at least one additional metal, (ii) forming the resulting admixture into catalyst shaped article, (iii) drying and optionally calcining said catalyst shaped article, (iv) incorporating the remainder of said at least one first group metal, or precursor thereof, and/or said at least one additional metal into said catalyst shaped article, and then (v) drying and activating the composite catalyst.
    • 一种适用于处理内燃机废气的复合活性相/载体催化剂,其活性相包含至少一种金属,所述第一组包括铂,钯,铱,铑,钌,铼,银,金或多种金属 并且至少一种另外的金属及其包含粘合剂/填料混合物的载体通过以下方式容易地制备:(i)将粘合剂和填料载体材料与至少50重量%但小于所有所述至少一个第一组 金属或其前体和/或所述至少一种另外的金属,(ii)将所形成的混合物形成催化剂成型制品,(iii)干燥和任选地煅烧所述催化剂成型制品,(iv)将剩余的所述的 至少一种第一组金属或其前体,和/或所述至少一种另外的金属加入到所述催化剂成型制品中,然后(v)干燥和活化复合催化剂。