RU2018125961A3 - - Google Patents
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- RU2018125961A3 RU2018125961A3 RU2018125961A RU2018125961A RU2018125961A3 RU 2018125961 A3 RU2018125961 A3 RU 2018125961A3 RU 2018125961 A RU2018125961 A RU 2018125961A RU 2018125961 A RU2018125961 A RU 2018125961A RU 2018125961 A3 RU2018125961 A3 RU 2018125961A3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/462—Ruthenium
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- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- B01D53/34—Chemical or biological purification of waste gases
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- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Toxicology (AREA)
- Ceramic Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
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PCT/IB2016/057684 WO2017103855A1 (en) | 2015-12-16 | 2016-12-15 | Catalyst system for lean gasoline direct injection engines |
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US11110435B2 (en) * | 2016-03-18 | 2021-09-07 | Cataler Corporation | Exhaust gas purification catalyst |
KR102427507B1 (ko) * | 2016-06-17 | 2022-08-01 | 바스프 코포레이션 | 팔라듐 디젤 산화 촉매 |
GB2557673A (en) * | 2016-12-15 | 2018-06-27 | Johnson Matthey Plc | NOx adsorber catalyst |
GB2560944A (en) * | 2017-03-29 | 2018-10-03 | Johnson Matthey Plc | NOx adsorber catalyst |
EP3749438A1 (en) * | 2018-02-05 | 2020-12-16 | BASF Corporation | Four-way conversion catalyst having improved filter properties |
EP3829763A1 (en) * | 2018-07-27 | 2021-06-09 | Johnson Matthey Public Limited Company | Improved twc catalysts containing high dopant support |
JP2022503617A (ja) * | 2018-08-27 | 2022-01-12 | ビーエーエスエフ コーポレーション | 卑金属をドープした酸化ジルコニウム触媒担体材料 |
CN112703054B (zh) * | 2018-09-13 | 2024-04-05 | 巴斯夫公司 | 汽油-天然气应用中的三效转化催化剂 |
CN110201707A (zh) * | 2019-05-17 | 2019-09-06 | 昆明贵研催化剂有限责任公司 | 用于当量燃烧间歇性氧过多工况下的NOx净化三效催化剂及其制备方法 |
CN113905819A (zh) * | 2019-05-31 | 2022-01-07 | 三井金属矿业株式会社 | 废气净化用催化剂和使用该废气净化用催化剂的废气净化系统 |
EP4000718A1 (en) * | 2020-11-11 | 2022-05-25 | Johnson Matthey Public Limited Company | Catalyst composition |
KR20230131509A (ko) * | 2022-03-07 | 2023-09-14 | 현대자동차주식회사 | 배기가스 정화용 촉매 및 이의 제조 방법 |
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JP5021188B2 (ja) * | 2005-08-01 | 2012-09-05 | 株式会社キャタラー | 排ガス浄化用触媒 |
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BR112018012211B1 (pt) | 2021-01-12 |
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MX2018007395A (es) | 2018-08-15 |