会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Catalyst and a method for denitrizing nitrogen oxides contained in waste
gases
    • 催化剂和废气中所含的氮氧化物脱氮的方法
    • US4859439A
    • 1989-08-22
    • US102639
    • 1987-09-30
    • Hiroaki RikimaruTadao NakatsujiToshikatsu UmabaKuzuhiko NaganoKazuya MishinaHiromitsu Shimizu
    • Hiroaki RikimaruTadao NakatsujiToshikatsu UmabaKuzuhiko NaganoKazuya MishinaHiromitsu Shimizu
    • B01D53/86B01J21/06B01J23/00B01J23/22B01J23/28B01J23/30B01J35/10
    • B01J21/063B01D53/8628B01J23/22B01J35/1038B01J35/1061B01J35/1066B01J35/1071B01J35/108
    • A catalyst for denitrizing nitrogen oxides contained in waste gases, which comprises:(a) titanium, and(b) at least one base metal selected from the group consisting of V, W, Mo, Mn, Cu, Fe, Cr, Co, Ni, Zn and Sn, the catalyst containing titanium and the base metals in amounts of at least about 50% by weight in terms of oxides based on the catalyst, and titanium in amounts of about 80-99% by weight in terms of oxides and the base metals in amounts of about 20-1% by weight in terms of oxides, respectively, based on the total weight in terms of oxides of titanium and the base metals, and the catalyst having micropores of about 50-75000 .ANG. in radius in amounts of about 0.25-0.45 ml/g, and micropores of about 50-100 .ANG. in radius in amounts of about 10-40% by volume and micropores of about 500-60000 .ANG. in radius in amounts of not less than about 10% by volume, respectively, based on the total volume of the micropores of about 50-75000 .ANG. in radius, in the presence of a reducing gas at elevated temperatures.The catalyst retains a higher denitrizing activity over a long period time than the conventional catalysts, and is substantially free from deactivation with arsenic or arsenic compounds contained in waste gases.
    • 1.一种用于脱氮废气中含有的氮氧化物的催化剂,其包括:(a)钛,和(b)选自V,W,Mo,Mn,Cu,Fe,Cr,Co, Ni,Zn和Sn中的至少约50重量%的钛和贱金属的催化剂,以氧化物为基准,以催化剂为基准,钛的量为约80-99重量%,以氧化物计, 基于以氧化物为基准的总重量计,以氧化物计为约20-1重量%的贱金属,以钛和贱金属的氧化物计的总重量,以及具有约50-75000安培的微孔的催化剂半径 约0.25-0.45ml / g的量的微孔和约50-100的微孔,其量为约10-40体积%,微孔为约500-60000,半径为不小于约10% 体积,分别基于微孔的总体积约50-75000安培半径,在存在o f在升高的温度下还原气体。 与常规催化剂相比,催化剂在长时间内保持较高的脱氨活性,并且与废气中所含的砷或砷化合物基本上没有失活。
    • 8. 发明授权
    • Molded catalyst for catalytic gas reactions
    • 用于催化气体反应的成型催化剂
    • US4755500A
    • 1988-07-05
    • US947415
    • 1986-12-24
    • Kazunobu AbeToshikatsu Umaba
    • Kazunobu AbeToshikatsu Umaba
    • B01J35/04B01D53/86B01D53/94B01J33/00B01J35/00C04B38/00B01J32/00
    • B01D53/8628B01J35/00C04B38/0006Y10S423/13Y10S423/15
    • A molded catalyst for fitting into a reactor vessel having an inlet and an outlet for a reactant gas, the catalyst having openings therethrough parallel to the direction of a reactant gas which is introduced into the reactor vessel from the inlet, the catalyst comprising: a wear-resistant front portion facing the inlet of the reactor vessel, and the remaining portion of the catalyst made so wear-susceptible as to have either:(a) a wearability of 2-10% in a shaking abrasion test wherein grinding particles having an average particle size of 1000 .mu.m and a Mohs scale of 9 are placed in the openings of the catalyst in an amount of 50% by volume based on the total volume of the openings, and the catalyst is shaken for three hours with an amplitude of 77 mm and a frequency of 320 per minute; or(b) a wearability of 7.5-35% in an air abrasion test wherein an air which contains silica particles having an average particle size of 40 .mu.m in amounts of 70 g/m.sup.3 is passed through in a reactor vessel including a rectangular parallelepipedic catalyst of 45 mm wide, 45 mm thick and 100 mm long so fitted thereinto that the catalyst extends longitudinally in the direction of the flow of the air for 30 min. at a superficial velocity of 40 m/sec. at the front portion of the catalyst.
    • 一种用于装配到具有反应物气体的入口和出口的反应器容器中的模制催化剂,所述催化剂具有平行于从入口引入反应器容器的反应气体的方向的开口,所述催化剂包括: 面向反应器容器的入口的耐电阻前部分,并且催化剂的剩余部分使其易磨损,具有:(a)在振动磨损试验中的耐磨性为2-10%,其中研磨颗粒具有平均值 基于开口的总体积,将催化剂的开口中的粒径为1000μm,Mohs为9的Mohs量以50体积%的量放置在催化剂的开口中,并将催化剂以77的振幅振荡3小时 mm,每分钟320次; 或(b)在空气磨损试验中的耐磨性为7.5-35%,其中含有平均粒度为40μm的二氧化硅颗粒的量为70g / m 3的空气在包括长方体的反应器容器中通过 45mm宽,45mm厚和100mm长的催化剂安装在其中,催化剂在空气流动方向上纵向延伸30分钟。 以40m / sec的表观速度。 在催化剂的前部。