-
公开(公告)号：US20170128922A1
公开(公告)日：2017-05-11
申请号：US15412830
申请日：2017-01-23
发明人： Hai-Ying CHEN , Shadab Mulla
CPC分类号： B01J29/7615 , B01D53/945 , B01D53/9459 , B01D53/9481 , B01D2255/1021 , B01D2255/1023 , B01D2255/2065 , B01D2255/20738 , B01D2255/2092 , B01D2255/502 , B01D2255/504 , B01D2255/9022 , B01D2255/91 , B01D2255/912 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/63 , B01J29/005 , B01J29/0325 , B01J29/0333 , B01J29/0341 , B01J29/0354 , B01J29/0356 , B01J29/0358 , B01J29/068 , B01J29/072 , B01J29/076 , B01J29/084 , B01J29/12 , B01J29/126 , B01J29/14 , B01J29/146 , B01J29/16 , B01J29/166 , B01J29/22 , B01J29/24 , B01J29/26 , B01J29/44 , B01J29/46 , B01J29/48 , B01J29/54 , B01J29/56 , B01J29/58 , B01J29/62 , B01J29/63 , B01J29/64 , B01J29/74 , B01J29/7415 , B01J29/743 , B01J29/76 , B01J29/763 , B01J29/78 , B01J29/7815 , B01J29/783 , B01J29/80 , B01J29/84 , B01J29/88 , B01J35/0006 , B01J35/023 , B01J35/04 , B01J37/0036 , B01J37/0242 , B01J37/0244 , B01J37/0246 , B01J37/0248 , B01J37/04 , B01J2229/183 , B01J2229/186 , B01J2229/42 , Y02T10/22
摘要： A cold start catalyst is disclosed. The cold start catalyst comprises a zeolite catalyst and a supported platinum group metal catalyst. The zeolite catalyst comprises a base metal, a noble metal, and a zeolite. The supported platinum group metal catalyst comprises one or more platinum group metals and one or more inorganic oxide carriers. The invention also includes an exhaust system comprising the cold start catalyst. The cold start catalyst and the process result in improved NOx storage and NOx conversion, improved hydrocarbon storage and conversion, and improved CO oxidation through the cold start period.
-
公开(公告)号：US10125646B2
公开(公告)日：2018-11-13
申请号：US15097611
申请日：2016-04-13
发明人： Mojghan Naseri , Ceren Aydin , Shadab Mulla , Raymond Conway
摘要： An exhaust system for treating an exhaust gas produced by a diesel engine comprises: (a) an emissions control device (ECD) for oxidizing carbon monoxide (CO) and/or hydrocarbons (HCs), wherein the emissions control device comprises a platinum group metal (PGM) and a substrate, wherein the PGM is platinum, palladium or a combination thereof; (b) an injector for introducing an ammonia precursor into the exhaust gas, which is downstream of the ECD; (c) a first selective catalytic reduction (SCR) catalyst downstream of the injector, wherein the first SCR catalyst comprises a substrate and a first SCR composition, wherein the substrate is either a flow-through substrate or a filtering substrate; (d) a second SCR catalyst downstream of the first SCR catalyst, wherein the second SCR catalyst comprises a flow-through substrate and a second SCR composition; and wherein at least one of the ECD and the first SCR reduction catalyst has a filtering substrate.
-
公开(公告)号：US09126180B2
公开(公告)日：2015-09-08
申请号：US14373268
申请日：2013-01-28
发明人： Joseph M. Fedeyko , Hai-Ying Chen , Guy Richard Chandler , Alexander Nicholas Michael Green , Debnath De , Shadab Mulla , Wendy Manning , Philip Gerald Blakeman
CPC分类号： B01J29/005 , B01D53/9418 , B01D2251/2062 , B01D2255/1021 , B01D2255/1023 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/91 , B01D2255/9155 , B01D2257/404 , B01J23/42 , B01J23/44 , B01J29/7015 , B01J29/763 , B01J29/85 , B01J35/0006 , B01J35/04 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/2066 , F01N3/2842 , F01N2610/02 , Y02T10/24
摘要： Provided is a catalyst for selective catalytic reduction of NOx in a lean-burn exhaust gas comprising a 0.8:1.0 to 1.2:1.0 blend of a metal promoted aluminosilicate having a CHA structure and a metal promoted silicoaluminophosphate having a CHA structure, respectively, wherein the silicoaluminophosphate is characterized by a higher promotion metal loading compared to the aluminosilicate.
摘要翻译： 提供了一种用于稀燃废气中的NOx的选择性催化还原的催化剂，其包含分别具有CHA结构的金属促进的硅铝酸盐和具有CHA结构的金属促进的硅铝磷酸盐的0.8:1.0至1.2:1.0的共混物，其中 硅铝磷酸盐的特征在于与铝硅酸盐相比更高的促进金属负载。
-
公开(公告)号：US09999876B2
公开(公告)日：2018-06-19
申请号：US15461558
申请日：2017-03-17
发明人： Philip Gerald Blakeman , Guy Richard Chandler , Hai-Ying Chen , Debnath De , Joseph Michael Fedeyko , Alexander Nicholas Michael Green , Wendy Manning , Shadab Mulla
IPC分类号： B01D53/94 , B01J23/42 , B01J23/44 , B01J29/00 , B01J35/04 , F01N3/20 , B01J29/76 , B01J29/85 , B01J35/00 , F01N3/08 , F01N3/28 , F01N3/035 , B01J29/70
CPC分类号： B01J29/005 , B01D53/9418 , B01D2251/2062 , B01D2255/1021 , B01D2255/1023 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/91 , B01D2255/9155 , B01D2257/404 , B01J23/42 , B01J23/44 , B01J29/7015 , B01J29/763 , B01J29/85 , B01J35/0006 , B01J35/04 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/2066 , F01N3/2842 , F01N2610/02 , Y02T10/24
摘要： Provided is a catalyst for the selective reduction of NOx comprising a two molecular sieve materials having a CHA structure, wherein the first molecular sieve has a mean crystal size of about 0.01 to 1 μm and the second molecular sieve has a mean crystal size of about 1-5 μm, and wherein the first molecular sieve contains a first extra-framework metal, the second molecular sieve contains a second extra-framework metal, and wherein said first and second extra-framework metals are independently selected from the group consisting of cesium, copper, nickel, zinc, iron, tin, tungsten, molybdenum, cobalt, bismuth, titanium, zirconium, antimony, manganese, chromium, vanadium, niobium, and combinations thereof.
-
公开(公告)号：US20150190791A1
公开(公告)日：2015-07-09
申请号：US14373268
申请日：2013-01-28
发明人： Joseph M. Fedeyko , Hai-Ying Chen , Guy Richard Chandler , Alexander Nicholas Michael Green , Debnath De , Shadab Mulla , Wendy Manning , Philip Gerald Blakeman
CPC分类号： B01J29/005 , B01D53/9418 , B01D2251/2062 , B01D2255/1021 , B01D2255/1023 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/91 , B01D2255/9155 , B01D2257/404 , B01J23/42 , B01J23/44 , B01J29/7015 , B01J29/763 , B01J29/85 , B01J35/0006 , B01J35/04 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/2066 , F01N3/2842 , F01N2610/02 , Y02T10/24
摘要： Provided is a catalyst for selective catalytic reduction of NOx in a lean-burn exhaust gas comprising a 0.8:1.0 to 1.2:1.0 blend of a metal promoted aluminosilicate having a CHA structure and a metal promoted silicoaluminophosphate having a CHA structure, respectively, wherein the silicoaluminophosphate is characterized by a higher promotion metal loading compared to the aluminosilicate.
摘要翻译： 提供了一种用于稀燃废气中的NOx的选择性催化还原的催化剂，其包含分别具有CHA结构的金属促进的硅铝酸盐和具有CHA结构的金属促进的硅铝磷酸盐的0.8:1.0至1.2:1.0的共混物，其中 硅铝磷酸盐的特征在于与铝硅酸盐相比更高的促进金属负载。
-
公开(公告)号：US09610571B2
公开(公告)日：2017-04-04
申请号：US14845312
申请日：2015-09-04
发明人： Joseph M. Fedeyko , Hai-Ying Chen , Guy Richard Chandler , Alexander Nicholas Michael Green , Debnath De , Shadab Mulla , Wendy Manning , Philip Gerald Blakeman
IPC分类号： B01J29/00 , B01J29/04 , B01J29/064 , B01J29/80 , B01D53/94 , B01J29/76 , B01J29/85 , F01N3/20 , F01N3/035
CPC分类号： B01J29/005 , B01D53/9418 , B01D2251/2062 , B01D2255/1021 , B01D2255/1023 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/91 , B01D2255/9155 , B01D2257/404 , B01J23/42 , B01J23/44 , B01J29/7015 , B01J29/763 , B01J29/85 , B01J35/0006 , B01J35/04 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/2066 , F01N3/2842 , F01N2610/02 , Y02T10/24
摘要： Provided is a catalyst for the selective reduction of NOx comprising a two molecular sieve materials having a CHA structure, wherein the first molecular sieve has a mean crystal size of about 0.01 to 1 μm and the second molecular sieve has a mean crystal size of about 1-5 μm, and wherein the first molecular sieve contains a first extra-framework metal, the second molecular sieve contains a second extra-framework metal, and wherein said first and second extra-framework metals are independently selected from the group consisting of cesium, copper, nickel, zinc, iron, tin, tungsten, molybdenum, cobalt, bismuth, titanium, zirconium, antimony, manganese, chromium, vanadium, niobium, and combinations thereof.
-
-
-
-
-
搜索结果
6 条记录 (耗时 0.016 秒)