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公开(公告)号:US20180297016A1
公开(公告)日:2018-10-18
申请号:US16010959
申请日:2018-06-18
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: B01J29/00 , B01J23/42 , B01J23/44 , F01N3/28 , B01J29/76 , B01J29/85 , F01N3/20 , B01J35/04 , B01D53/94 , F01N3/08 , B01J35/00 , B01J29/70 , F01N3/035
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.
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公开(公告)号:US20170182482A1
公开(公告)日:2017-06-29
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: B01J29/00 , B01J35/00 , B01J23/42 , F01N3/20 , B01D53/94 , F01N3/08 , F01N3/28 , B01J35/04 , B01J23/44
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.
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公开(公告)号:US20150375215A1
公开(公告)日:2015-12-31
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
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.
摘要翻译: 提供一种用于选择性还原NOx的催化剂,其包含具有CHA结构的两种分子筛材料,其中第一分子筛的平均晶体尺寸为约0.01至1μm,第二分子筛的平均晶体尺寸为约1 -5μm,并且其中所述第一分子筛含有第一外骨架金属,所述第二分子筛含有第二外骨架金属,并且其中所述第一和第二外骨架金属独立地选自铯, 铜,镍,锌,铁,锡,钨,钼,钴,铋,钛,锆,锑,锰,铬,钒,铌及其组合。
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公开(公告)号:US20140356266A1
公开(公告)日:2014-12-04
申请号:US14292118
申请日:2014-05-30
发明人: Hai-Ying CHEN , Debnath DE , Wendy MANNING , Julian Peter COX
IPC分类号: B01D53/94
CPC分类号: B01D53/9472 , F01N3/0222 , F01N3/035 , F01N2330/30 , F01N2510/0682 , Y02T10/24
摘要: Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the inlet side of the substrate, wherein the catalyst composition has a d50 particle size distribution, wherein the d50 particle size distribution is less than the mean pore size divided by 4.9, and wherein the outlet side is substantially free of a catalyst coating.
摘要翻译: 提供了一种能够在低背压下操作时从排气中除去烟灰的柴油微粒过滤器,该过滤器包括(a)具有平均孔径,入口侧,出口侧和多孔内部的壁流式过滤器基材 在入口侧和出口侧之间; 和(b)从所述基材的入口侧涂布的催化剂组合物,其中所述催化剂组合物具有d50粒度分布,其中所述d50粒度分布小于平均孔径除以4.9,并且其中所述出口侧为 基本上不含催化剂涂层。
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公开(公告)号:US20140356265A1
公开(公告)日:2014-12-04
申请号:US14292056
申请日:2014-05-30
发明人: Hai-Ying CHEN , Debnath DE , Wendy MANNING , Julian Peter COX
IPC分类号: B01D53/94
CPC分类号: B01D53/9472 , F01N3/0222 , F01N3/035 , F01N2510/0682 , Y02T10/24
摘要: Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the outlet side of the substrate, wherein the catalyst composition has a d50 particle size distribution, wherein the d50 particle size distribution is greater than or equal to the mean pore size divided by 4.9, and wherein the inlet side is substantially free of a catalyst coating.
摘要翻译: 提供了一种能够在低背压下操作时从排气中除去烟灰的柴油微粒过滤器,该过滤器包括(a)具有平均孔径,入口侧,出口侧和多孔内部的壁流式过滤器基材 在入口侧和出口侧之间; 和(b)从所述基材的出口侧涂布的催化剂组合物,其中所述催化剂组合物具有d50粒度分布,其中所述d50粒度分布大于或等于平均孔径除以4.9,并且其中 入口侧基本上没有催化剂涂层。
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