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公开(公告)号：US20170274321A1
公开(公告)日：2017-09-28
申请号：US15503903
申请日：2015-10-21
Applicant: BASF CORPORATION
Inventor： Xiaolai Zheng , Chunxin Ji , Wen-Mei Xue , Matthew J. Schladt , Xiaoming Wang , Tian Luo , Michel Deeba , Knut Wassermann
CPC classification number: B01D53/945 , B01D53/9418 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2065 , B01D2255/20715 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2255/502 , B01D2255/9022 , B01D2255/912 , B01D2255/9207 , B01J23/56 , B01J23/63 , B01J29/005 , B01J29/40 , B01J29/46 , B01J29/7007 , B01J29/76 , B01J29/7615 , B01J29/763 , B01J29/80 , B01J29/85 , B01J35/0006 , B01J37/0244 , B01J37/0246 , B01J2523/00 , Y02T10/24 , B01J2523/25 , B01J2523/31 , B01J2523/37 , B01J2523/3712 , B01J2523/48 , B01J2523/824 , B01J2523/822 , B01J2523/828
Abstract: An emissions treatment system for an exhaust stream of an internal combustion engine including hydrocarbons, carbon monoxide, and nitrogen oxides is provided. The disclosed system can include an exhaust conduit in fluid communication with the internal combustion engine via an exhaust manifold; a first three-way conversion catalyst (TWC-1) located downstream of the internal combustion engine in the exhaust conduit; an SCR-HCT catalyst comprising a selective catalytic reduction catalyst and a hydrocarbon trap downstream of the TWC-1 in the exhaust conduit; and a third catalyst downstream of the SCR-HCT combination in the exhaust conduit, the third catalyst comprising a platinum group metal (PGM) e.g., in an amount effective to oxidize hydrocarbons. Methods of making and using such systems and components thereof are also provided.
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Patent Agency Ranking
公开(公告)号：US09744529B2
公开(公告)日：2017-08-29
申请号：US14658486
申请日：2015-03-16
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , Attilio Siani , John K. Hochmuth , Markus Kinne , Stefan Kielbassa
IPC: B01D53/94 , F01N3/08 , F01N3/28 , B01J21/04 , B01J21/06 , B01J23/02 , B01J23/10 , B01J23/40 , B01J23/42 , B01J23/46 , B01J23/54 , B01J23/56 , B01J23/58 , B01J23/63 , B01J35/00 , B01J35/04 , B01J37/02
CPC classification number: B01J35/0006 , B01D53/9422 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2047 , B01D2255/2065 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2255/908 , B01D2255/91 , B01D2258/012 , B01J21/04 , B01J21/066 , B01J23/63 , B01J35/002 , B01J35/04 , B01J37/0244 , B01J37/0248 , F01N3/0842 , F01N3/2828 , F01N2510/0684 , Y02T10/22 , Y02T10/24
Abstract: A layered catalyst composite for the treatment of exhaust gas emissions, effective to provide lean NOx trap functionality and three-way conversion functionality is described. Layered catalyst composites can comprise catalytic material on a substrate, the catalytic material comprising at least two layers. The first layer comprising rare earth oxide-high surface area refractory metal oxide particles, an alkaline earth metal supported on the rare earth oxide-high surface area refractory metal oxide particles, and at least one first platinum group metal component supported on the rare earth oxide-high surface area refractory metal oxide particles. The second layer comprising a second platinum group metal component supported on a first oxygen storage component (OSC) and/or a first refractory metal oxide support and, optionally, a third platinum group metal supported on a second refractory metal oxide support or a second oxygen storage component.
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公开(公告)号：US09656254B2
公开(公告)日：2017-05-23
申请号：US14973353
申请日：2015-12-17
Applicant: BASF CORPORATION
Inventor： Ivor Bull , Wen-Mei Xue , Patrick Burk , R. Samuel Boorse , William M. Jaglowski , Gerald Stephen Koermer , Ahmad Moini , Joseph A. Patchett , Joseph C. Dettling , Matthew Tyler Caudle
IPC: B01J29/06 , B01J29/72 , B01J29/068 , B01D53/94 , B01J23/42 , B01J23/89 , B01J29/072 , B01J29/76 , B01J35/00 , B01J35/04 , B01J37/02 , B01J29/74 , B01D53/86 , B01J29/80 , C01B39/46
CPC classification number: B01J29/723 , B01D53/56 , B01D53/8628 , B01D53/9413 , B01D53/9418 , B01D53/9431 , B01D53/9477 , B01D2251/206 , B01D2251/2062 , B01D2251/2067 , B01D2255/20715 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/9032 , B01D2255/904 , B01D2255/9155 , B01D2257/40 , B01D2257/404 , B01D2258/012 , B01J23/42 , B01J23/8926 , B01J29/061 , B01J29/068 , B01J29/072 , B01J29/743 , B01J29/76 , B01J29/763 , B01J29/80 , B01J35/0006 , B01J35/04 , B01J37/0246 , B01J2029/062 , C01B39/46 , Y02T10/24 , Y10T428/24149
Abstract: Zeolite catalysts and systems and methods for preparing and using zeolite catalysts having the CHA crystal structure are disclosed. The catalysts can be used to remove nitrogen oxides from a gaseous medium across a broad temperature range and exhibit hydrothermal stable at high reaction temperatures. The zeolite catalysts include a zeolite carrier having a silica to alumina ratio from about 15:1 to about 256:1 and a copper to alumina ratio from about 0.25:1 to about 1:1.
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44.发明申请Molecular Sieve Catalyst Compositions, Catalytic Composites, Systems, And Methods 审中-公开分子筛催化剂组合物，催化复合材料，系统和方法公开(公告)号：US20150367337A1
公开(公告)日：2015-12-24
申请号：US14741756
申请日：2015-06-17
Applicant: BASF Corporation
Inventor： Xiaofan Yang , John K. Hochmuth , Wen-Mei Xue , Xiaoming Wang , Matthew Tyler Caudle , Ahmad Moini , Dustin O. Hollobaugh , Qi Fu , Michael Breen
Abstract: Described is a selective catalytic reduction catalyst comprising a zeolitic framework material of silicon and aluminum atoms, wherein a fraction of the silicon atoms are isomorphously substituted with a tetravalent metal. The catalyst can include a promoter metal such that the catalyst effectively promotes the reaction of ammonia with nitrogen oxides to form nitrogen and H2O selectively over a temperature range of 150 to 650° C. In another aspect, described is a selective catalytic reduction composite comprising an SCR catalyst material and an ammonia storage material comprising a transition metal having an oxidation state of IV. The SCR catalyst material promotes the reaction of ammonia with nitrogen oxides to form nitrogen and H2O selectively over a temperature range of 150° C. to 600° C., and the SCR catalyst material is effective to store ammonia at temperatures of 400° C. and above. A method for selectively reducing nitrogen oxides, and a method for simultaneously selectively reducing nitrogen oxide and storing ammonia are also described. Additionally, an exhaust gas treatment system is also described.
Abstract translation: 描述了包含硅和铝原子的沸石骨架材料的选择性催化还原催化剂，其中一部分硅原子被四价金属同晶取代。 催化剂可以包括促进剂金属，使得催化剂有效地促进氨与氮氧化物的反应，以在150至650℃的温度范围内选择性地形成氮和H 2。另一方面，描述了选择性催化还原复合材料，其包含 SCR催化剂材料和包含具有IV氧化态的过渡金属的氨储存材料。 SCR催化剂材料促进氨与氮氧化物的反应，在150℃至600℃的温度范围内选择性地形成氮和H2O，SCR催化剂材料在400℃的温度下有效储存氨。 以上。 还描述了选择性还原氮氧化物的方法，以及同时选择性地还原氮氧化物和储存氨的方法。 此外，还描述了废气处理系统。
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公开(公告)号：US20140360171A1
公开(公告)日：2014-12-11
申请号：US14467250
申请日：2014-08-25
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , Xinyi Wei , Marcus Hilgendorff , Patrick Burk
CPC classification number: F01N3/2066 , B01D53/94 , B01D53/9418 , B01D53/944 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/1028 , B01D2255/2042 , B01D2255/2065 , B01D2255/9022 , B01D2255/91 , B01D2258/012 , B01J23/002 , B01J23/10 , B01J23/63 , B01J27/232 , B01J35/0006 , B01J35/0013 , B01J35/002 , B01J35/023 , B01J35/04 , B01J35/1009 , B01J35/1014 , B01J37/0201 , B01J37/0248 , B01J37/10 , B01J2523/00 , F01N3/035 , F01N3/101 , F01N2250/02 , F01N2610/02 , Y02C20/10 , Y02T10/22 , B01J2523/22 , B01J2523/25 , B01J2523/31 , B01J2523/3712 , B01J2523/48 , B01J2523/824 , B01J2523/828
Abstract: A catalyst for the treatment of exhaust gas emissions is disclosed. The catalyst can comprise ceria-alumina particles having a ceria phase present in a weight percent of the composite in the range of about 20% to about 80% on an oxide basis, an alkaline earth metal component supported on the ceria-alumina particles, wherein the CeO2 is present in the form of crystallites that are hydrothermally stable and have an average crystallite size less than 160 Å after aging at 950° C. for 5 hours in 2% O2 and 10% steam in N2.
Abstract translation: 公开了一种用于处理废气排放的催化剂。 该催化剂可以包括二氧化铈 - 氧化铝颗粒，二氧化铈相以氧化物为基准存在于复合材料的重量百分比范围为约20％至约80％的二氧化铈相，负载在二氧化铈 - 氧化铝颗粒上的碱土金属组分，其中 CeO 2以水热稳定的形式存在，并且在950℃下在2％O 2和10％蒸气在N 2中老化5小时后具有小于160的平均微晶尺寸。
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46.发明申请NOx Storage Catalyst with lmproved Hydrothermal Stability and NOx Conversion 有权具有改进的水热稳定性和NOx转化的NOx储存催化剂公开(公告)号：US20140260214A1
公开(公告)日：2014-09-18
申请号：US14204386
申请日：2014-03-11
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , Xinyi Wei , Marcus Hilgendorff , Patrick Burk
IPC: B01J27/232
CPC classification number: B01J23/10 , B01D53/9422 , B01D53/9481 , B01D2255/102 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/1028 , B01D2255/2042 , B01D2255/2065 , B01D2255/40 , B01D2255/9022 , B01D2255/91 , B01D2258/012 , B01J23/63 , B01J35/0006 , B01J35/002 , B01J35/023 , B01J37/0201 , B01J37/0244 , B01J37/0248 , B01J37/10 , B01J2523/00 , B01J2523/22 , B01J2523/25 , B01J2523/31 , B01J2523/3712 , B01J2523/48 , B01J2523/824 , B01J2523/828
Abstract: A lean NOx trap for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO), and the trapping and reduction of nitrogen oxides (NOx) is disclosed. Nitrogen oxide storage catalysts can comprise a layer on a substrate including ceria-alumina particles having a ceria phase present in a weight percent of the composite in the range of about 20% to about 80% on an oxide basis, an alkaline earth metal component supported on the ceria-alumina particles, wherein the CeO2 is present in the form of crystallites that are hydrothermally stable and have an average crystallite size less than 130 Å after aging at 950° C. for 5 hours in 2% O2 and 10% steam in N2.
Abstract translation: 公开了用于处理废气排放的贫NOx捕集器，例如未燃烧的烃（HC）和一氧化碳（CO）的氧化，以及氮氧化物（NOx）的捕获和还原。 氮氧化物储存催化剂可以包括在基底上的包括二氧化铈 - 氧化铝颗粒的二氧化铈 - 氧化铝颗粒，所述二氧化铈 - 氧化铝颗粒的二氧化铈相以所述复合材料的重量百分比存在于基于氧化物的约20％至约80％的范围内，碱土金属组分被负载 在二氧化铈 - 氧化铝颗粒上，其中CeO 2以水热稳定的形式存在，并且在950℃下在2％O 2和10％蒸汽中在950℃老化5小时后具有小于130的平均微晶尺寸 N2。
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