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公开(公告)号：US11305270B2
公开(公告)日：2022-04-19
申请号：US16328030
申请日：2017-05-15
IPC分类号： B01J21/04 , B01J21/06 , B01J23/10 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/63 , B01J35/04 , B01J35/10 , B01J37/02 , B01J37/08 , F01N3/035 , F01N3/28 , B01D53/94 , B01D46/24
摘要： A honeycomb structure prevents catalyst slurry from leaching out when applying a wash coat for making a catalyst supported, ensuring air permeability of the outer portion and in which there is no occurrence of cracking when used as a gasoline particulate filter. The honeycomb structure having: a honeycomb substrate composed of porous partition walls forming a plurality of cells and a porous outer portion; and a resin composition on the outer portion of the honeycomb substrate, wherein the outer portion and the partition walls of the honeycomb substrate are formed of the same material; a porosity of the honeycomb structure is 50% or more; and the resin composition is impregnated into pores of the whole outer portion; and the impregnation depth is equal to the outer portion thickness or a part of the resin composition is impregnated deeper than the outer portion and reaches the cell partition walls.
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2.发明申请公开(公告)号：US20190193067A1
公开(公告)日：2019-06-27
申请号：US16328030
申请日：2017-05-15
IPC分类号： B01J37/02 , B01D46/24 , B01D53/94 , B01J35/04 , B01J35/10 , B01J37/08 , B01J23/44 , B01J23/46 , B01J21/06 , B01J21/04 , B01J23/10
CPC分类号： B01J37/0215 , B01D46/2429 , B01D46/2455 , B01D53/94 , B01D2046/2433 , B01D2046/2437 , B01D2255/9155 , B01D2279/30 , B01J21/04 , B01J21/066 , B01J23/10 , B01J23/44 , B01J23/464 , B01J23/63 , B01J35/04 , B01J35/10 , B01J35/1076 , B01J37/02 , B01J37/0236 , B01J37/08 , F01N3/035 , F01N3/28
摘要： A honeycomb structure prevents catalyst slurry from leaching out when applying a wash coat for making a catalyst supported, ensuring air permeability of the outer portion and in which there is no occurrence of cracking when used as a gasoline particulate filter. The honeycomb structure having: a honeycomb substrate composed of porous partition walls forming a plurality of cells and a porous outer portion; and a resin composition on the outer portion of the honeycomb substrate, wherein the outer portion and the partition walls of the honeycomb substrate are formed of the same material; a porosity of the honeycomb structure is 50% or more; and the resin composition is impregnated into pores of the whole outer portion; and the impregnation depth is equal to the outer portion thickness or a part of the resin composition is impregnated deeper than the outer portion and reaches the cell partition walls.
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3.发明申请ALUMINA MATERIAL CONTAINING BARIUM SULFATE AND EXHAUST GAS PURIFYING CATALYST USING SAME 审中-公开含有硫酸钡的氧化铝材料和使用其的排气净化催化剂公开(公告)号：US20140329669A1
公开(公告)日：2014-11-06
申请号：US14369980
申请日：2012-12-05
IPC分类号： B01J27/053 , B01D53/94
CPC分类号： B01J27/053 , B01D53/9413 , B01D53/945 , B01D2255/102 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2092 , B01D2255/911 , B01J21/04 , B01J23/42 , B01J23/44 , B01J23/464 , B01J23/58 , B01J27/055 , B01J35/0006 , B01J35/0093 , B01J35/023 , B01J35/1014 , B01J35/1019 , F01N2510/06 , Y02A50/2324 , Y02T10/22
摘要： Disclosed are alumina materials including a barium sulfate, catalyst or adsorbent using the same, in particular, catalyst for exhaust gas purification superior in NOx purification performance, suitable as a catalyst for purifying harmful substances included in exhaust gas discharged from an internal combustion engine of a gasoline vehicle, a diesel vehicle. An alumina material containing a barium sulfate in an amount of 5 to 70% by mass to alumina, wherein average particle size of barium sulfate dispersing in the alumina material is 4 μm or smaller, average particle size of alumina is 50 μm or smaller, and BET specific surface area of the alumina material is 20 to 250 m2/g; a catalyst for exhaust gas purification using the alumina material including a barium sulfate. It is preferable that the alumina material including a barium sulfate is coated onto an integrated structure-type carrier, as a catalyst layer.
摘要翻译： 公开了包括硫酸钡，催化剂或使用其的吸附剂的氧化铝材料，特别是NOx净化性能优异的排气净化用催化剂，适合作为用于净化从内燃机排出的废气中所含的有害物质的催化剂 汽油车，柴油车。 氧化铝材料含有氧化铝中分散的硫酸钡的平均粒径为4μm以下的氧化铝的5〜70质量％的硫酸钡，氧化铝的平均粒径为50μm以下， 氧化铝材料的BET比表面积为20〜250m 2 / g; 使用包含硫酸钡的氧化铝材料进行排气净化的催化剂。 作为催化剂层，优选将包含硫酸钡的氧化铝材料涂布在一体结构型载体上。
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公开(公告)号：US11376568B2
公开(公告)日：2022-07-05
申请号：US16962675
申请日：2019-01-28
IPC分类号： B01J21/04 , B01J21/06 , B01J23/02 , B01J23/10 , B01J23/44 , B01J23/46 , B01J23/58 , B01J23/63 , B01J35/00 , F01N3/10 , F01N3/28
摘要： Provided is, for example, an exhaust gas-purifying three-way catalyst which is small in the amount of a platinum group element used, which can be early increased in temperature to a catalytically active temperature, which is suppressed in degradation in performance due to a catalyst poison included in an exhaust gas even if placed directly under an engine, and which is excellent in purification performance. An exhaust gas-purifying three-way catalyst including at least a catalyst carrier 11 and a catalyst layer 21, wherein the catalyst layer 21 has a layered structure having at least a first catalyst layer L1, a second catalyst layer L2 and a third catalyst layer L3 in the listed order, the first catalyst layer L1 contains a first composite catalyst particle including palladium supported on a first base material particle, the second catalyst layer L2 contains a second composite catalyst particle including rhodium supported on a second base material particle, the third catalyst layer L3 contains a third composite catalyst particle including palladium supported on a third base material particle, and the total coating weight Wt in the catalyst layers L1, L2, and L3 (provided that the platinum group element included in each of the catalyst layers is excluded) is 110 g/L or more and 225 g/L or less in total, per volume of the catalyst carrier 11.
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公开(公告)号：US10857520B2
公开(公告)日：2020-12-08
申请号：US16347274
申请日：2017-10-24
摘要： An exhaust gas-purifying three-way catalyst containing: (i) base material particles of a Nd-solid dissolved zirconia-based complex oxide comprising Nd and Zr as constituent metal elements in the following mass proportions: ZrO250 to 75% by mass; and Nd2O3 25 to 50% by mass, in terms of oxides; and (ii) Pd catalyst particles supported on the base material particles, wherein the Nd-solid dissolved zirconia-based complex oxide further contains at least one or more rare earth elements selected from the group consisting of yttrium, scandium, lanthanum, and praseodymium, as a constituent metal element, in an amount of a total of more than 0% by mass to 20% by mass or less in terms of an oxide.
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公开(公告)号：US09061266B2
公开(公告)日：2015-06-23
申请号：US14343586
申请日：2012-09-25
CPC分类号： B01J27/053 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/407 , B01D2255/9022 , B01D2255/9025 , B01D2255/9202 , B01D2255/9205 , B01D2255/9207 , B01J23/464 , B01J23/58 , B01J23/63 , B01J35/006 , B01J37/0244 , Y02A50/2324 , Y02T10/22
摘要： The invention discloses a catalyst for purifying exhaust gas apparatus having a Three-way Catalyst (TWC) superior in purification performance of, particularly, NOx, among carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx), in exhaust gas discharged from a gasoline automobile. It is provided by a catalyst for purifying exhaust gas containing a Rhodium (Rh)-loaded porous inorganic oxide and barium sulfate (BaSO4), with loaded or not-loaded onto alumina. At least a part of Rh is present independently from Ba inside a catalyst layer, and Rh—Ba deviation rate determined from EPMA analysis is 10% to 80%. It is preferable that loaded amount of Rhodium is 0.05 g/L to 2.0 g/L, and amount of barium sulfate is 0.5 g/L to 25 g/L and 0.5 g/L to 15 g/L, in the case of being loaded or not-loaded onto alumina, respectively.
摘要翻译： 本发明公开了一种用于净化废气装置的催化剂，其具有在排气中的一氧化碳（CO），烃（HC）和氮氧化物（NOx））中的一氧化碳（CO），氮氧化物（NOx）的净化性能优异的三元催化剂（TWC） 从汽油汽车排放的气体。 由用于净化含有铑（Rh）负载的多孔无机氧化物和硫酸钡（BaSO 4）的废气的催化剂提供，其负载或未负载到氧化铝上。 Rh的至少一部分与催化剂层内的Ba独立存在，由EPMA分析确定的Rh-Ba偏差为10〜80％。 铑的负载量优选为0.05g / L〜2.0g / L，硫酸钡的量为0.5g / L〜25g / L，0.5g / L〜15g / L， 分别装载或未装载到氧化铝上。
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7.发明申请公开(公告)号：US20210220811A1
公开(公告)日：2021-07-22
申请号：US16304924
申请日：2017-05-15
摘要： Provided is a method of producing a film-coated cylindrical honeycomb structure formed with a coating liquid on an outer portion of a cylindrical honeycomb structure including partition walls and the outer portion, the partition walls forming a plurality of cells, the outer portion serving as a circumferential side. In the method, the cylindrical honeycomb structure is mounted between at least two rollers such that the circumferential side of the cylindrical honeycomb structure contacts with circumferential sides of the rollers, the coating liquid supplied from an application part is deposited on the cylindrical honeycomb structure while being rotated, and then the deposited coating liquid is dried or cured to form the film on the outer portion.
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公开(公告)号：US20150045209A1
公开(公告)日：2015-02-12
申请号：US14343586
申请日：2012-09-25
IPC分类号： B01J27/053 , B01J23/63 , B01J23/46
CPC分类号： B01J27/053 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/407 , B01D2255/9022 , B01D2255/9025 , B01D2255/9202 , B01D2255/9205 , B01D2255/9207 , B01J23/464 , B01J23/58 , B01J23/63 , B01J35/006 , B01J37/0244 , Y02A50/2324 , Y02T10/22
摘要： The invention discloses a catalyst for purifying exhaust gas apparatus having a Three-way Catalyst (TWC) superior in purification performance of, particularly, NOx, among carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx), in exhaust gas discharged from a gasoline automobile. It is provided by a catalyst for purifying exhaust gas containing a Rhodium (Rh)-supported porous inorganic oxide and barium sulfate (BaSO4), with supported or not-supported onto alumina, characterized in that at least a part of Rh is present independently from Ba inside a catalyst layer, and Rh—Ba deviation rate determined from EPMA analysis is 10% to 80%. It is preferable that supported amount of Rhodium is 0.05 g/L to 2.0 g/L, and amount of barium sulfate is 0.5 g/L to 25 g/L and 0.5 g/L to 15 g/L, in the case of being supported and not-supported onto alumina, respectively.
摘要翻译： 本发明公开了一种用于净化废气装置的催化剂，其具有在排气中的一氧化碳（CO），烃（HC）和氮氧化物（NOx））中的一氧化碳（CO），氮氧化物（NOx））的净化性能优异的三元催化剂（TWC） 从汽油汽车排放的气体。 由用于净化含有铑（Rh）负载的多孔无机氧化物和硫酸钡（BaSO 4）的废气的催化剂提供，其负载或不负载在氧化铝上，其特征在于至少一部分Rh独立于 Ba在催化剂层内，由EPMA分析确定的Rh-Ba偏差为10％〜80％。 铑的配合量优选为0.05g / L〜2.0g / L，硫酸钡的量为0.5g / L〜25g / L，0.5g / L〜15g / L的情况下， 分别支持并不支持在氧化铝上。
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