-
公开(公告)号：US09254481B2
公开(公告)日：2016-02-09
申请号：US14236734
申请日：2012-07-26
申请人： John L. Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Jillian Elaine Collier , Raj Rao Rajaram , David Thompsett , Robert P. Hodgkins
发明人： John L. Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Jillian Elaine Collier , Raj Rao Rajaram , David Thompsett , Robert P. Hodgkins
IPC分类号： C01B39/54 , B01J29/85 , B01J29/88 , C01B39/10 , B01J37/28 , B01D53/94 , B01J29/70 , B01J29/76 , C01B39/04 , B01D53/86 , B01J37/02
CPC分类号： B01J29/763 , B01D53/8628 , B01D53/9418 , B01D2251/2062 , B01D2251/2067 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/707 , B01J29/7015 , B01J29/85 , B01J29/88 , B01J35/04 , B01J37/0246 , B01J37/28 , B01J2229/183 , B01J2229/186 , C01B39/04 , C01B39/10 , C01B39/54 , Y02T10/24
摘要： A catalyst composition is provided having a CHA crystal structure; about 0.5 to about 5.0 mol % phosphorus; and SiO2 and Al2O3 in a mole ratio of about 5 to about 40. The catalyst composition is capable of NOx conversion at elevated temperatures. A catalytically active washcoat includes such catalyst compositions and one or more promoters or stabilizers, and may be applied to a monolith substrate to produce a catalytically active article. Methods of reducing NOx employing the catalyst compositions are also provided.
摘要翻译： 提供具有CHA晶体结构的催化剂组合物; 约0.5至约5.0mol％的磷; 和摩尔比为约5至约40的SiO 2和Al 2 O 3。催化剂组合物能够在升高的温度下进行NOx转化。 催化活性的修补基面涂料包括这样的催化剂组合物和一种或多种促进剂或稳定剂，并且可以应用于整料基材以产生催化活性制品。 还提供了使用催化剂组合物还原NOx的方法。
-
公开(公告)号：US08715602B2
公开(公告)日：2014-05-06
申请号：US12439420
申请日：2007-01-12
申请人： Jillian Elaine Collier , Philip Gerald Blakeman , Isabel Zoe Tingay , Paul James Millington , Raj Rao Rajaram , Andrew Peter Walker
发明人： Jillian Elaine Collier , Philip Gerald Blakeman , Isabel Zoe Tingay , Paul James Millington , Raj Rao Rajaram , Andrew Peter Walker
CPC分类号： B01D53/9418 , B01D2251/2062 , B01D2251/208 , B01D2255/2065 , B01D2255/2073 , B01D2255/20738 , B01D2255/20746 , B01D2255/20761 , B01D2255/20784 , Y02T10/24
摘要： A method of reducing nitrogen oxides (NOx) in a flowing combustion exhaust gas to N2, which method comprising oxidizing nitrogen monoxide to nitrogen dioxide on a transition metal/elite catalyst at catalyst bed temperatures below 50° C. and reducing NOx with the catalyst using an hydrocarbon (HC) reductant at catalyst bed temperatures below 150° C.
摘要翻译： 将流动的燃烧废气中的氮氧化物（NOx）还原为N 2的方法，该方法包括在催化剂床温度低于50℃下在过渡金属/精英催化剂上将一氧化氮氧化成二氧化氮，并且使用催化剂还原NOx 催化剂床温度低于150℃的烃（HC）还原剂
-
公开(公告)号：US08603432B2
公开(公告)日：2013-12-10
申请号：US13164150
申请日：2011-06-20
申请人： Paul Joseph Andersen , Jillian Elaine Bailie , John Leonello Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Rodney Kok Shin Foo , Raj Rao Rajaram
发明人： Paul Joseph Andersen , Jillian Elaine Bailie , John Leonello Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Rodney Kok Shin Foo , Raj Rao Rajaram
CPC分类号： B01D53/9418 , B01D53/565 , B01D53/8628 , B01D53/9431 , B01D53/945 , B01D2251/2062 , B01D2251/2067 , B01D2255/2065 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/502 , B01D2255/504 , B01J29/005 , B01J29/061 , B01J29/064 , B01J29/072 , B01J29/076 , B01J29/46 , B01J29/56 , B01J29/72 , B01J29/76 , B01J29/7615 , B01J29/763 , B01J29/80 , B01J29/83 , B01J29/85 , B01J29/87 , B01J35/04 , B01J2029/062 , B01J2229/18 , B01J2229/183 , B01J2229/36 , C01B39/38 , C01B39/46 , C01B39/54 , Y02A50/2324 , Y02A50/2325 , Y02C20/10 , Y02T10/22 , Y02T10/24
摘要： A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt.
摘要翻译： 在含有至少一种过渡金属的沸石催化剂存在下，通过使氮氧化物与含氮还原剂接触而将气体中的氮氧化物转化为氮的方法，其中沸石是含有最大环尺寸为8的小孔沸石 四面体原子，其中所述至少一种过渡金属选自Cr，Mn，Fe，Co，Ce，Ni，Cu，Zn，Ga，Mo，Ru，Rh，Pd，Ag，In，Sn，Re ，Ir和Pt。
-
公开(公告)号：US08387367B2
公开(公告)日：2013-03-05
申请号：US12084997
申请日：2006-11-09
IPC分类号： F01N3/00
CPC分类号： F01N3/206 , B01D53/90 , B01D53/9418 , B01D53/9495 , B01D2251/208 , B01D2255/104 , B01D2255/2092 , Y02A50/2325 , Y02T10/24
摘要： The present invention relates to a method of reducing coking over a Ag/Al2O3 hydrocarbon selective catalytic reduction catalyst in an exhaust stream of a lean burn internal combustion engine, the exhaust stream including hydrocarbon and NOx. The method includes controlling the hydrocarbon to molar NOx ratio of the exhaust stream so as to be within certain limits at certain temperatures. An exhaust system for a lean burn engine suited to the above method, and a lean burn internal combustion engine, or a vehicle or stationary power source including such an exhaust system are also included.
摘要翻译： 本发明涉及一种在稀燃内燃机的废气流中的Ag / Al 2 O 3选择性催化还原催化剂上还原焦化的方法，所述废气流包括烃和NOx。 该方法包括在某些温度下控制烃与排气流的摩尔NOx比以达到某一极限。 还包括适用于上述方法的稀薄燃烧发动机的排气系统，以及稀燃燃烧内燃机或包括这种排气系统的车辆或固定动力源。
-
公开(公告)号：US08091351B2
公开(公告)日：2012-01-10
申请号：US13176230
申请日：2011-07-05
CPC分类号： B01D53/9418 , B01D2251/206 , B01D2255/20738 , B01D2255/20776 , B01D2255/407 , B01D2255/50 , B01J21/066 , B01J23/888 , B01J29/7615 , B01J35/0006 , B01J37/0201 , B01J37/0244 , F01N3/106 , F01N3/208 , F01N13/009 , F01N2610/02 , F01N2610/146 , Y02A50/2325 , Y02T10/24
摘要： An article for treating a gas containing nitrogen oxides including: (a) a monolith substrate; and (b) a catalytic composition containing at least one catalytic component consisting of (i) at least one transition metal dispersed on a mixed oxide or composite oxide or a mixture thereof as support material consisting of cerium and zirconium; or (ii) cerium oxide and zirconium oxide as single oxides or a composite oxide thereof or a mixture of the single oxides and the composite oxide dispersed on an inert oxide support material, wherein at least one transition metal is dispersed thereon, provided that at least one selected transition metal is tungsten, wherein the catalytic composition is disposed on the monolith substrate.
摘要翻译： 一种用于处理含氮氧化物的气体的制品，包括：（a）整料基材; 和（b）含有至少一种催化剂组分的催化组合物，所述催化剂组分由以下组分组成：（i）分散在混合氧化物或复合氧化物上的至少一种过渡金属或其混合物，作为由铈和锆组成的载体材料; 或（ii）氧化铈和氧化锆作为单一氧化物或其复合氧化物，或分散在惰性氧化物载体材料上的单一氧化物和复合氧化物的混合物，其中至少一种过渡金属分散在其上，条件是至少 一个选择的过渡金属是钨，其中催化剂组合物设置在整料衬底上。
-
公开(公告)号：US07985391B2
公开(公告)日：2011-07-26
申请号：US12666444
申请日：2008-06-25
IPC分类号： B01D53/56
CPC分类号： B01D53/9418 , B01D2251/206 , B01D2255/20738 , B01D2255/20776 , B01D2255/407 , B01D2255/50 , B01J21/066 , B01J23/888 , B01J29/7615 , B01J35/0006 , B01J37/0201 , B01J37/0244 , F01N3/106 , F01N3/208 , F01N13/009 , F01N2610/02 , F01N2610/146 , Y02A50/2325 , Y02T10/24
摘要： A method of converting nitrogen oxides in a gas stream to nitrogen comprises contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a non-zeolite base metal catalyst consisting of: (a) at least one transition metal dispersed on a mixed oxide or composite oxide or a mixture thereof as support material consisting of cerium and zirconium; or (b) cerium oxide and zirconium oxide as single oxides or a composite oxide thereof or a mixture of the single oxides and the composite oxide dispersed on an inert oxide support material, whereon is dispersed at least one transition metal.
摘要翻译： 将气流中的氮氧化物转化为氮的方法包括在非沸石母体金属催化剂存在下使氮氧化物与含氮还原剂接触，该催化剂由以下组成：（a）分散在混合氧化物上的至少一种过渡金属或 复合氧化物或其混合物作为由铈和锆组成的载体材料; 或（b）氧化铈和氧化锆作为单一氧化物或其复合氧化物，或分散在惰性氧化物载体材料上的单一氧化物和复合氧化物的混合物，其中分散有至少一种过渡金属。
-
7.发明授权Process and apparatus for reducing the nitrogen oxide content in exhaust gases by the controlled addition of NH3 有权通过控制添加NH3来减少废气中的氮氧化物含量的方法和装置公开(公告)号：US06713030B1
公开(公告)日：2004-03-30
申请号：US09674349
申请日：2001-09-14
IPC分类号： B01D5354
CPC分类号： B01D53/9495 , B01D53/9409 , F01N3/2066 , F01N2570/18 , F01N2610/02 , Y02A50/2325 , Y02T10/24
摘要： In the reduction of quantities of Nox in the exhaust gases of lean bum engines such as diesel engines, using a selective reduction catalyst and a source of ammonia, the present invention improves overall conversion by supplying ammonia or a precursor intermittently so that it is adsorbed and desorbed during the engine operating cycle.
摘要翻译： 本发明通过使用选择性还原催化剂和氨源来减少诸如柴油发动机的贫燃发动机的废气中的Nox的量的减少，本发明通过间歇地供给氨或前驱体来提高整体转化率，使其被吸附和 在发动机运转周期内解吸。
-
公开(公告)号：US10258973B2
公开(公告)日：2019-04-16
申请号：US15881845
申请日：2018-01-29
申请人： John L. Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Jillian Elaine Collier , Raj Rao Rajaram , David Thompsett , Robert P. Hodgkins
发明人： John L. Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Jillian Elaine Collier , Raj Rao Rajaram , David Thompsett , Robert P. Hodgkins
IPC分类号： C01B39/54 , B01J29/76 , B01D53/94 , C01B39/10 , B01J37/28 , B01J29/70 , C01B39/04 , B01D53/86 , B01J29/85 , B01J29/88 , B01J35/04 , B01J37/02
摘要： A catalyst washcoat is provided having a molecular sieve with a CHA crystal structure; about 0.5 to about 5.0 mol % phosphorus; and SiO2 and Al2O3 in a mole ratio of about 5 to about 40. The washcoat includes one or more promoters or stabilizers, and may be applied to a monolith substrate to produce a catalytically active article.
-
公开(公告)号：US20160121317A1
公开(公告)日：2016-05-05
申请号：US14991272
申请日：2016-01-08
申请人： John L. Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Jillian Elaine Collier , Raj Rao Rajaram , David Thompsett , Robert P. Hodgkins
发明人： John L. Casci , Hai-Ying Chen , Joseph Michael Fedeyko , Jillian Elaine Collier , Raj Rao Rajaram , David Thompsett , Robert P. Hodgkins
CPC分类号： B01J29/763 , B01D53/8628 , B01D53/9418 , B01D2251/2062 , B01D2251/2067 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/707 , B01J29/7015 , B01J29/85 , B01J29/88 , B01J35/04 , B01J37/0246 , B01J37/28 , B01J2229/183 , B01J2229/186 , C01B39/04 , C01B39/10 , C01B39/54 , Y02T10/24
摘要： A catalyst washcoat is provided having a molecular sieve with a CHA crystal structure; about 0.5 to about 5.0 mol % phosphorus; and SiO2 and Al2O3 in a mole ratio of about 5 to about 40. The washcoat includes one or more promoters or stabilizers, and may be applied to a monolith substrate to produce a catalytically active article.
摘要翻译： 提供具有CHA晶体结构的分子筛的催化剂修补基面涂层; 约0.5至约5.0mol％的磷; 和SiO 2和Al 2 O 3，摩尔比为约5至约40.修补基面涂层包括一种或多种促进剂或稳定剂，并且可以施用于整料基材以产生催化活性制品。
-
公开(公告)号：US20150118115A1
公开(公告)日：2015-04-30
申请号：US14587709
申请日：2014-12-31
申请人： HAI-YING CHEN , JOSEPH MICHAEL FEDEYKO , RODNEY KOK SHIN FOO , PAUL JOSEPH ANDERSEN , JILLIAN ELAINE COLLIER , JOHN LEONELLO CASCI , RAJ RAO RAJARAM
发明人： HAI-YING CHEN , JOSEPH MICHAEL FEDEYKO , RODNEY KOK SHIN FOO , PAUL JOSEPH ANDERSEN , JILLIAN ELAINE COLLIER , JOHN LEONELLO CASCI , RAJ RAO RAJARAM
IPC分类号： B01D53/94 , B01J29/06 , B01J29/46 , C01B39/38 , C01B39/46 , B01J29/85 , B01J29/76 , B01J29/80
CPC分类号： B01D53/9418 , B01D53/565 , B01D53/8628 , B01D53/9431 , B01D53/945 , B01D2251/2062 , B01D2251/2067 , B01D2255/2065 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/502 , B01D2255/504 , B01J29/005 , B01J29/061 , B01J29/064 , B01J29/072 , B01J29/076 , B01J29/46 , B01J29/56 , B01J29/72 , B01J29/76 , B01J29/7615 , B01J29/763 , B01J29/80 , B01J29/83 , B01J29/85 , B01J29/87 , B01J35/04 , B01J2029/062 , B01J2229/18 , B01J2229/183 , B01J2229/36 , C01B39/38 , C01B39/46 , C01B39/54 , Y02A50/2324 , Y02A50/2325 , Y02C20/10 , Y02T10/22 , Y02T10/24
摘要： A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt.
-
-
-
-
-
-
-
-
-
搜索结果
47 条记录 (耗时 0.02 秒)
