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公开(公告)号：US4916107A
公开(公告)日：1990-04-10
申请号：US272311
申请日：1988-11-17
CPC分类号： B01J23/30 , B01D53/8628 , B01J23/85
摘要： A catalyst for the selective reduction with ammonia of nitrogen oxides from an intimate mixture of at least 3 metals in the form of their oxides, namely, titanium, tungsten and at least one of the metals vanadium, iron, niobium, molybdenum, with an atomic ratio of Ti to the other metals of 1:0.001 to 1, wherein there is used as oxide of the titanium a product obtained by flame hydrolysis, which product is impregnated with solutions of the salts of the other metals and is dried and calcined at a high temperature.
摘要翻译： 一种催化剂，用于选择性还原氨氧化物，该氧化物由至少3种以氧化物形式的金属，即钛，钨和至少一种金属钒，铁，铌，钼中的至少一种具有原子 Ti与其他金属的比例为1:0.001至1，其中用作通过火焰水解获得的钛的氧化物，该产物用其它金属的盐的溶液浸渍并在 高温。
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2.发明授权Process for producing a catalyst for selective reduction of nitrous oxides with ammonia 失效制备用氨选择还原一氧化二氮的催化剂的方法
公开(公告)号：US5198403A
公开(公告)日：1993-03-30
申请号：US787746
申请日：1991-11-05
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 V, 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）的至少一种V，Nb，Mo，Fe，Cu的氧化物，其中组分（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℃
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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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4.发明授权Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio 失效用于从内部燃烧发动机和气体涡轮中净化排气的催化剂的运行速度超过了比例
公开(公告)号：US5120695A
公开(公告)日：1992-06-09
申请号：US556097
申请日：1990-07-23
IPC分类号： B01D53/86 , B01D53/94 , B01J23/30 , B01J23/56 , B01J23/63 , B01J23/64 , B01J23/652 , B01J35/04
CPC分类号： B01D53/8643 , B01D53/9418 , B01D53/944 , B01D53/9472 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2063 , B01D2255/2065 , B01D2255/207 , B01D2255/9207 , Y02T10/24
摘要： A one-piece catalyst for purifying exhaust gases, particularly from internal combustion engines and gas turbines operated above the stoichiometric ratio. The one-piece honeycomb ceramic or metal carrier has a reduction catalyst on its leading-edge portion and an oxidation catalyst on its trailing-edge portion.
摘要翻译： 一种用于净化废气的一体式催化剂，特别是从化学计量比以上运行的内燃机和燃气轮机。 一体式蜂窝陶瓷或金属载体在其前缘部分上具有还原催化剂，在其后缘部分上具有氧化催化剂。
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5.发明授权
公开(公告)号：US5215953A
公开(公告)日：1993-06-01
申请号：US925803
申请日：1992-07-22
CPC分类号： B01D53/8609 , B01J23/22 , C01B17/79
摘要： A solid catalyst for the oxidation of sulfur dioxide in gas currents containing oxygen, which catalyst includes vanadium oxide and alkali metal oxides, alkali metal sulfates or mixtures thereof, as an active substance, silicon, aluminum, or mixtures thereof, in oxide form, for surface area enlargement, and titanium dioxide in anatase form, rutile form, or mixtures thereof, as a carrier material and a ceramic binder. The metals in these finely sintered components which impart discrete functions are present in certain atomic ratios. The fine sintering takes place according to a production method especially by means of differentiated conditions of drying, calcining and sintering. One use for the invention is the desulfurization of waste gases from combustion processes and industrial plants.
摘要翻译： 一种固体催化剂，用于在含有氧的气流中氧化二氧化硫，该催化剂包括氧化物形式的作为活性物质的氧化钒和碱金属氧化物，碱金属硫酸盐或其混合物，硅，铝或其混合物，用于 表面积增大，锐钛型二氧化钛，金红石型或其混合物，作为载体材料和陶瓷粘合剂。 赋予离散功能的这些精细烧结组分中的金属以某些原子比存在。 根据生产方法，特别是通过干燥，煅烧和烧结的不同条件进行精细烧结。 本发明的一个用途是来自燃烧过程和工厂的废气的脱硫。
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