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1.发明授权
公开(公告)号：US4744967A
公开(公告)日：1988-05-17
申请号：US4407
申请日：1987-01-20
CPC分类号： B01D53/8637 , F23J15/006 , F23J2215/20 , F23J2217/102 , F23J2219/10 , F23J2219/40
摘要： A process is described for the purification of exhaust gases containing oxides of nitrogen and sulfur obtained from combustion installations and industrial production processes by selective catalytic reduction of the nitric oxides with ammonia, subsequent catalytic oxidation of sulfur dioxide with oxygen and conversion into sulfuric acid of the sulfur trioxide obtained.
摘要翻译： 描述了一种用于净化由燃烧装置和工业生产方法获得的含有氮和硫的氧化物的废气的方法，所述废气通过用氨选择性催化还原一氧化氮，随后用氧气二氧化硫的催化氧化并转化为硫酸 获得三氧化硫。
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公开(公告)号：US4814146A
公开(公告)日：1989-03-21
申请号：US18247
申请日：1987-02-24
CPC分类号： B01J33/00
摘要： A device for the containment of ceramic catalyst monoliths particularly of four cornered cross sectional area as well as for the combination of a plurality thereof into a package. The device includes elastic gaskets arranged on one of the ends of the monoliths and partitions for the form fitting containment of the elements into a cassette.
摘要翻译： 用于容纳陶瓷催化剂整料的装置，特别是四个角横截面积的装置，以及用于将其多个组合成包装的装置。 该装置包括布置在整料和分隔件的一个端部上的弹性垫片，用于将元件容纳在盒中。
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3.发明授权
公开(公告)号：US4963332A
公开(公告)日：1990-10-16
申请号：US384754
申请日：1989-07-25
CPC分类号： F01N3/208 , B01D53/8625 , B01D53/8696 , B01D53/9409 , B01D53/9495 , F01N2560/026 , F01N2560/14 , F01N2570/18 , F01N2610/02 , F01N2610/146 , F01N2900/0422 , Y02T10/24
摘要： A method for the removal of nitrogen oxides contained in exhaust gases of an optionally fluctuating composition with a temperature of 0.degree.-600.degree. C. by means of catalytic reduction at a preselected stoichiometric ratio between the concentration of reducing agent and the concentration of nitrogen oxide in which the reducing agent is dosed in a pulsed manner.
摘要翻译： 通过以预选的化学计量比在还原剂的浓度与氮氧化物的浓度之间通过催化还原来除去包含在任选波动的组合物的废气中的氮氧化物的温度为0℃-600℃的方法 其中还原剂以脉冲方式配制。
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公开(公告)号：US4859428A
公开(公告)日：1989-08-22
申请号：US7884
申请日：1987-01-28
CPC分类号： F01N3/2857 , F01N3/2875 , F01N2350/06
摘要： A device for the support of ceramic catalyst monoliths especially of square cross section as well as for the combination of several of such monoliths into one package. It is formed of an elastic gasket attached on one or both monolith ends and a metal frame attached on the gasket under pressure. The frame has recesses on two adjacent lateral surfaces, and at the two opposite lateral surfaces it has projections which can engage interlockingly into the recesses of adjacent frames.
摘要翻译： 用于支撑特别是方形横截面的陶瓷催化剂整料的装置，以及用于将一些这种整料组合成一个包装的装置。 它由一个或两个整体端部附接的弹性垫圈和在压力下连接在垫圈上的金属框架形成。 框架在两个相邻的侧表面上具有凹槽，并且在两个相对的侧表面处具有突起，该凸起可互锁地接合到相邻框架的凹部中。
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公开(公告)号：US5300472A
公开(公告)日：1994-04-05
申请号：US999618
申请日：1992-12-31
CPC分类号： B01J21/066 , B01D53/9418 , B01J21/063 , B01J23/00 , B01J35/10 , B01J35/1014 , B01J35/1019 , B01J35/108 , B01D2251/2062 , B01D2255/20707 , B01D2255/20723 , B01D2255/20776 , B01D2255/9207 , Y02C20/10
摘要： A catalyst for the selective reduction of nitrous oxide with ammonia contains, in addition to titanium oxide as component (A), at least one oxide of W, Si, B, Al, P, Zr, Ba, Y, La, Ce and at least one oxide of Y, Nb, Mo, Fe, Cu as component (B), whereby the atomic ratio between the elements of components (A) and (B) amounts to 1:0.001 up to 1. The catalyst can be obtained by kneading reactive titanium oxide with a high specific surface of predominantly anatase with the substances of component (B) or their preliminary stages, adding processing agents, winding up with a homogeneous kneaded mass, extruding the latter, drying the extrudate and calcining in air at 300.degree.-800.degree. C.
摘要翻译： 除了氧化钛作为组分（A）之外，用氨选择还原一氧化二氮的催化剂还包含至少一种W，Si，B，Al，P，Zr，Ba，Y，La，Ce和 作为组分（B）的Y，Nb，Mo，Fe，Cu的至少一种氧化物，由此组分（A）和（B）的元素之间的原子比为1：0.001至1。催化剂可以通过 用具有组分（B）或其初级阶段的物质将主要为锐钛矿的高比表面处理的反应性二氧化钛混合，加入加工剂，用均匀的捏合物料卷绕，挤出后者，干燥挤出物并在空气中煅烧300 -800摄氏度
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6.发明授权
公开(公告)号：US5131260A
公开(公告)日：1992-07-21
申请号：US676707
申请日：1991-03-29
申请人： Reinhold Brand , Bernd Engler , Wolfgang Honen , Edgar Koberstein
发明人： Reinhold Brand , Bernd Engler , Wolfgang Honen , Edgar Koberstein
CPC分类号： G01N1/405 , G01N1/2258 , G01N33/0054 , G01N2001/2217 , G01N2001/2282 , G01N2001/4033
摘要： A device for the continuous measurement of the ammonia concentration in gases in the ppm range includes a columnar absorption vessel (1) with a hemispherical bottom (4). The bottom of the column includes an overflow (3) and an outlet (5). The gas introduction pipe (7,8) empties above the bottom (4) and below a sieve bottom (6) arranged in the column (1). A packing material (10) rests on the sieve bottom (6), which packing (10) essentially fills the absorption column (1). A cooling part (11) extends from the absorption column (1). The cooling part (11) includes a cooling zone (15) and a gas collection space (16) above it with a closable connection piece (13). A pipe (14), which may include a serrated crown on each end, runs from the gas collecting space (16) downward in a cooled manner to the packing 10. The liquid absorption agent is introduced through a lateral connection piece (18) into the gas collection space (16). For the measurement of ammonia concentration, a certain volume flow of the gas to be measured is washed in a countercurrent flow with the absorption agent, and the NH.sub.3 content is determined in a part of the ammonia containing absorption agent. The volume flow rate of the absorption agent and of the gas from which NH.sub.3 has been removed is measured (the latter being dried), and the ammonia concentration is thereby calculated.
摘要翻译： 在ppm范围内连续测量气体中的氨浓度的装置包括具有半球形底部（4）的柱状吸收容器（1）。 塔的底部包括溢流（3）和出口（5）。 气体导入管（7,8）在布置在塔（1）中的底部（4）和下方的筛底（6）之上排空。 包装材料（10）搁置在筛底（6）上，该填料（10）基本上填充吸收塔（1）。 冷却部件（11）从吸收塔（1）延伸。 冷却部件（11）在其上方包括一个冷却区（15）和一个气体收集空间（16），并具有可关闭的连接件（13）。 可以在每个端部包括锯齿状冠的管道（14）从气体收集空间（16）以冷却的方式向下延伸到填料10.液体吸收剂通过横向连接件（18）引入 气体收集空间（16）。 为了测量氨浓度，将要测量的气体的一定体积流量与吸收剂以逆流流动洗涤，并且在含氨吸收剂的一部分中测定NH 3含量。 测量吸收剂和从其中除去NH 3的气体的体积流量（后者被干燥），由此计算氨浓度。
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7.发明授权
公开(公告)号：US5514354A
公开(公告)日：1996-05-07
申请号：US928050
申请日：1992-08-11
IPC分类号： F01N3/28 , B01D53/86 , B01D53/94 , B01J23/64 , B01J23/648 , B01J23/89 , B01J29/18 , B01J29/22 , B01J35/04 , B01J37/02 , F02B3/06
CPC分类号： B01J37/02 , B01D53/944 , B01J23/6482 , F02B3/06
摘要： An open-cell, monolithic catalyst for the purification of diesel-engine exhaust gas with a coating of finely divided inorganic oxides containing vanadium and platinum group metal as active components. The active components of the oxidic coating are added as water-soluble precursors which are then converted by means of tempering, preferably in an atmosphere of hydrogen, into the active component.
摘要翻译： 一种用于净化柴油发动机废气的开放式单体催化剂，其中包含含有钒和铂族金属作为活性组分的细碎无机氧化物涂层。 将氧化涂层的活性组分作为水溶性前体加入，然后通过回火，优选在氢气气氛中将其转化为活性组分。
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公开(公告)号：US5013705A
公开(公告)日：1991-05-07
申请号：US263701
申请日：1988-10-28
CPC分类号： B01D53/945 , B01J23/63 , B01J23/894 , Y02T10/22
摘要： The invention is a three-way catalyst of active aluminum oxide, palladium, rhodium and cerium dioxide. If Al.sub.2 O.sub.3 is present as bulk carrier, the catalyst contains 5-20% by weight CeO.sub.2 and if Al.sub.2 O.sub.3 is present as a coating on a honeycombed, inert carrier, it contains 25-50% by weight CeO.sub.2.
摘要翻译： 本发明是活性氧化铝，钯，铑和二氧化铈的三元催化剂。 如果Al2O3作为散装载体存在，则催化剂含有5-20％（重量）CeO 2，如果Al 2 O 3以蜂窝状惰性载体作为涂层存在，则其含有25-50％（重量）CeO 2。
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9.发明授权Catalyst for purification of exhaust gases of diesel engines and method of use 失效用于净化柴油发动机排气的催化剂及其使用方法
公开(公告)号：US5157007A
公开(公告)日：1992-10-20
申请号：US667211
申请日：1991-03-11
IPC分类号： F01N3/28 , B01D53/86 , B01D53/94 , B01J23/64 , B01J23/648 , B01J23/89 , B01J29/18 , B01J29/22 , B01J35/04 , B01J37/02 , F02B3/06
CPC分类号： B01J37/02 , B01D53/944 , B01J23/6482 , F02B3/06
摘要： An open-cell, monolithic catalyst for the purification of diesel-engine exhaust gas with a coating of finely divided inorganic oxides containing vanadium and platinum group metal as active components. The active components of the oxidic coating are added as water-soluble precursors which are then converted by means of tempering, preferably in an atmosphere of hydrogen, into the active component.
摘要翻译： 一种用于净化柴油发动机废气的开放式单体催化剂，其中包含含有钒和铂族金属作为活性组分的细碎无机氧化物涂层。 将氧化涂层的活性组分作为水溶性前体加入，然后通过回火，优选在氢气气氛中将其转化为活性组分。
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公开(公告)号：US5043311A
公开(公告)日：1991-08-27
申请号：US510266
申请日：1990-04-19
申请人： Bernd Engler , Edgar Koberstein , Egbert Lox , Herbert Voelker
发明人： Bernd Engler , Edgar Koberstein , Egbert Lox , Herbert Voelker
IPC分类号： B01D53/86 , B01D53/94 , B01J23/56 , B01J23/63 , B01J35/00 , B01J35/04 , B01J37/02 , F01N3/28
CPC分类号： B01D53/945 , B01J35/0006 , B01J35/04 , B01J37/0242 , F01N3/2803 , F01N2330/02 , F01N2330/04 , F01N2560/08 , Y02T10/22
摘要： A monolithic or honeycomb-catalyst, in particular for purifying the exhaust gases of internal-combustion engines, composed of an inert ceramic or metallic support traversed by parallel flow channels, a layer disposed thereon and composed of catalysis-promoting metal oxide and a catalytically active component supported by the metal oxide, wherein the concentration of the catalysis-promoting metal oxide increases from the periphery to the central axis of the support. Alternatively, the catalysis-promoting metal oxide is essentially equally distributed between central axis and periphery of the support, but concentration of catalytically active component increases from the central axis to the periphery of the support.
摘要翻译： 一种整体或蜂窝催化剂，特别是用于净化由平行流动通道穿过的惰性陶瓷或金属支撑体构成的内燃机废气，其上设置有由催化促进金属氧化物组成的催化活性物质 由金属氧化物负载的组分，其中催化促进金属氧化物的浓度从载体的周边增加到中心轴线。 或者，催化促进金属氧化物基本上均匀地分布在载体的中心轴和周边之间，但是催化活性组分的浓度从载体的中心轴向周边增加。
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