BR112017018136A2 - sistemas para tratamento de gás de escape e de gás de escape, e, método para tratamento de uma corrente de gás de escape. - Google Patents
sistemas para tratamento de gás de escape e de gás de escape, e, método para tratamento de uma corrente de gás de escape.Info
- Publication number
- BR112017018136A2 BR112017018136A2 BR112017018136A BR112017018136A BR112017018136A2 BR 112017018136 A2 BR112017018136 A2 BR 112017018136A2 BR 112017018136 A BR112017018136 A BR 112017018136A BR 112017018136 A BR112017018136 A BR 112017018136A BR 112017018136 A2 BR112017018136 A2 BR 112017018136A2
- Authority
- BR
- Brazil
- Prior art keywords
- exhaust gas
- treating
- systems
- nox
- gas stream
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 abstract 3
- 230000003197 catalytic effect Effects 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000002808 molecular sieve Substances 0.000 abstract 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
Classifications
-
- 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
- B01D53/9404—Removing only nitrogen compounds
- 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
-
- 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
-
- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/903—Multi-zoned catalysts
- B01D2255/9032—Two zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- 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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9436—Ammonia
-
- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation 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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
são descritos sistemas para tratamento de gás de escape para tratamento de uma corrente de gás de escape de motor que contém nox. o sistema para tratamento de gás de escape compreende um motor, um sistema de catalisador que inclui um artigo de redução seletiva catalítica que compreende duas zonas, uma zona a montante que compreende primeiras peneiras moleculares promovidas com ferro e uma zona a jusante que compreende segundas peneiras moleculares promovidas com cobre. o sistema de catalisador é eficaz para reduzir altos níveis de nox na corrente de gás de escape. também são descritos métodos para tratamento de correntes do gás de escape do motor, que compreende tratar correntes do gás de escape do motor que contém altos níveis de nox com sistemas de catalisador que incluem artigos de redução seletiva catalítica tendo duas zonas.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562121541P | 2015-02-27 | 2015-02-27 | |
PCT/US2016/019842 WO2016138418A1 (en) | 2015-02-27 | 2016-02-26 | Exhaust gas treatment system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112017018136A2 true BR112017018136A2 (pt) | 2018-04-10 |
Family
ID=56789943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017018136A BR112017018136A2 (pt) | 2015-02-27 | 2016-02-26 | sistemas para tratamento de gás de escape e de gás de escape, e, método para tratamento de uma corrente de gás de escape. |
Country Status (12)
Country | Link |
---|---|
US (1) | US11154815B2 (pt) |
EP (1) | EP3261751A4 (pt) |
JP (3) | JP2018507777A (pt) |
KR (2) | KR20240051329A (pt) |
CN (2) | CN118128625A (pt) |
BR (1) | BR112017018136A2 (pt) |
CA (1) | CA2977523C (pt) |
MX (1) | MX2017010990A (pt) |
MY (1) | MY193820A (pt) |
RU (1) | RU2701529C2 (pt) |
WO (1) | WO2016138418A1 (pt) |
ZA (1) | ZA201706345B (pt) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109843432B (zh) * | 2016-08-05 | 2022-08-12 | 巴斯夫公司 | 选择性催化还原制品和系统 |
EP3281699A1 (de) * | 2016-08-11 | 2018-02-14 | Umicore AG & Co. KG | Partikelfilter mit scr-aktiver beschichtung |
JP6693406B2 (ja) * | 2016-12-20 | 2020-05-13 | 三菱自動車工業株式会社 | 排気ガス浄化装置 |
JP2020507219A (ja) * | 2017-02-03 | 2020-03-05 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 半導体プロセスの廃水からの亜酸化窒素のプラズマ軽減 |
CN110730858A (zh) * | 2017-04-04 | 2020-01-24 | 巴斯夫公司 | 集成排放控制系统 |
KR20190127951A (ko) | 2017-04-04 | 2019-11-13 | 바스프 코포레이션 | NOx 배출물 제어를 위한 암모니아 생성 시스템 |
CN110709591A (zh) | 2017-04-04 | 2020-01-17 | 巴斯夫公司 | 用于催化性污染治理的氢气还原剂 |
EP3607183A4 (en) | 2017-04-04 | 2020-09-02 | BASF Corporation | HYDROGEN ASSISTED INTEGRATED EMISSION CONTROL SYSTEM |
KR102484742B1 (ko) | 2017-04-04 | 2023-01-05 | 바스프 코포레이션 | 차량 내장식 수소 생성 및 배기 스트림에서의 용도 |
CN110678630B (zh) | 2017-04-04 | 2023-10-31 | 巴斯夫公司 | 在车上生成氨和氢 |
CA3074818A1 (en) * | 2017-09-07 | 2019-03-14 | Basf Corporation | Zeolite with reduced extra-framework aluminum |
KR20210006380A (ko) * | 2018-04-23 | 2021-01-18 | 바스프 코포레이션 | 디젤 엔진 배기 가스 처리용 선택적 접촉 환원 촉매 |
EP3787789A1 (en) * | 2018-04-30 | 2021-03-10 | BASF Corporation | Catalyst for the oxidation of no, the oxidation of a hydrocarbon, the oxidation of nh3 and the selective catalytic reduction of nox |
JP7447107B2 (ja) * | 2018-10-30 | 2024-03-11 | ビーエーエスエフ コーポレーション | フィルター基板の選択的接触還元触媒 |
EP3873649A1 (en) * | 2018-11-02 | 2021-09-08 | BASF Corporation | Exhaust treatment system for a lean burn engine |
WO2020115318A1 (en) | 2018-12-06 | 2020-06-11 | Basf Se | Aqueous suspension comprising a zeolitic material and a zirconium chelate complex |
KR102130491B1 (ko) * | 2019-03-13 | 2020-07-14 | 주식회사 냄새뚝 | 선박 배기가스 정화장치 및 방법 |
EP3889405A1 (en) * | 2020-03-31 | 2021-10-06 | Johnson Matthey Catalysts (Germany) GmbH | Extruded scr with multimodal pore size distribution |
JP6994079B2 (ja) * | 2020-05-26 | 2022-01-14 | 株式会社キャタラー | 排ガス浄化触媒装置 |
CN112705046B (zh) * | 2020-12-16 | 2022-08-30 | 苏州西热节能环保技术有限公司 | 一种脱硝喷氨精细化调整方法及装置 |
JP7372302B2 (ja) * | 2021-12-06 | 2023-10-31 | 株式会社キャタラー | 排ガス浄化触媒装置 |
EP4268940A1 (en) * | 2022-04-27 | 2023-11-01 | Johnson Matthey Public Limited Company | Method of treating exhaust gas and system for same |
WO2024029289A1 (ja) * | 2022-08-04 | 2024-02-08 | エヌ・イーケムキャット株式会社 | 排ガス処理用の選択的触媒還元システム、及びこれを用いた希薄燃焼エンジン用排ガス浄化装置 |
CN116625697B (zh) * | 2023-07-24 | 2023-11-21 | 中汽研汽车检验中心(昆明)有限公司 | 柴油发动机累碳测量方法、装置、电子设备及存储介质 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5024981A (en) | 1989-04-20 | 1991-06-18 | Engelhard Corporation | Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same |
US4961917A (en) | 1989-04-20 | 1990-10-09 | Engelhard Corporation | Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts |
RU2108140C1 (ru) | 1996-06-24 | 1998-04-10 | Александр Юрьевич Логинов | Способ очистки отработавших газов |
GB9919013D0 (en) * | 1999-08-13 | 1999-10-13 | Johnson Matthey Plc | Reactor |
US6951830B2 (en) | 2003-08-05 | 2005-10-04 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst compositions, their production and use in conversion processes |
EP2517773B2 (en) | 2007-04-26 | 2019-08-07 | Johnson Matthey Public Limited Company | Copper/LEV-zeolite SCR catalyst |
US8506893B2 (en) * | 2008-04-23 | 2013-08-13 | Ford Global Technologies, Llc | Selective catalytic reduction catalyst system with expanded temperature window |
BRPI0912247B1 (pt) * | 2008-05-07 | 2019-04-16 | Umicore Ag & Co. Kg | Processo para a redução de óxido de nitrogênio em gases de escape, contendo hidrocarbonetos, mediante emprego de um catalisador scr na base de um crivo molecular. |
GB0812544D0 (en) | 2008-07-09 | 2008-08-13 | Johnson Matthey Plc | Exhaust system for a lean burn IC engine |
GB2475740B (en) * | 2009-11-30 | 2017-06-07 | Johnson Matthey Plc | Catalysts for treating transient NOx emissions |
DE102011004557A1 (de) * | 2011-02-23 | 2012-08-23 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Abgasanlage einer Brennkraftmaschine |
US8101146B2 (en) * | 2011-04-08 | 2012-01-24 | Johnson Matthey Public Limited Company | Catalysts for the reduction of ammonia emission from rich-burn exhaust |
US8789356B2 (en) * | 2011-07-28 | 2014-07-29 | Johnson Matthey Public Limited Company | Zoned catalytic filters for treatment of exhaust gas |
US9174849B2 (en) * | 2011-08-25 | 2015-11-03 | Basf Corporation | Molecular sieve precursors and synthesis of molecular sieves |
DE102013200361B4 (de) * | 2012-03-09 | 2017-04-06 | Ford Global Technologies, Llc | Abgasnachbehandlungssystem, Kraftfahrzeug und Verfahren zur Abgasnachbehandlung |
DE102012005508A1 (de) * | 2012-03-17 | 2013-09-19 | Daimler Ag | Katalysatorbauteil einer Kraftfahrzeug-Abgasreinigungsanlage und Verwendung eines Katalysatorbauteils |
EP2684597A1 (de) * | 2012-07-14 | 2014-01-15 | Deutz AG | Verfahren zur Verminderung von Stickoxiden aus Dieselmotorenabgasen |
MY169112A (en) | 2012-10-19 | 2019-02-18 | Basf Corp | Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems and methods |
JP6470734B2 (ja) * | 2013-03-14 | 2019-02-13 | ビーエーエスエフ コーポレーション | 選択的接触還元触媒システム |
WO2014160292A1 (en) * | 2013-03-14 | 2014-10-02 | Basf Corporation | Selective catalytic reduction catalyst system |
KR102264058B1 (ko) * | 2013-03-15 | 2021-06-11 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 배기 가스 처리를 위한 촉매 |
RU2702988C2 (ru) * | 2014-02-28 | 2019-10-15 | Джонсон Мэтти Паблик Лимитед Компани | Катализаторы scr с улучшенной низкотемпературной эффективностью и способы их создания и использования |
KR20170038927A (ko) * | 2014-08-07 | 2017-04-07 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 배기가스를 처리하기 위한 구역화된 촉매 |
-
2016
- 2016-02-26 CN CN202410277926.9A patent/CN118128625A/zh active Pending
- 2016-02-26 WO PCT/US2016/019842 patent/WO2016138418A1/en active Application Filing
- 2016-02-26 KR KR1020247012046A patent/KR20240051329A/ko active Search and Examination
- 2016-02-26 KR KR1020177026749A patent/KR20170120656A/ko not_active IP Right Cessation
- 2016-02-26 BR BR112017018136A patent/BR112017018136A2/pt not_active Application Discontinuation
- 2016-02-26 US US15/552,183 patent/US11154815B2/en active Active
- 2016-02-26 MX MX2017010990A patent/MX2017010990A/es unknown
- 2016-02-26 RU RU2017133481A patent/RU2701529C2/ru active
- 2016-02-26 JP JP2017545356A patent/JP2018507777A/ja active Pending
- 2016-02-26 MY MYPI2017001252A patent/MY193820A/en unknown
- 2016-02-26 CA CA2977523A patent/CA2977523C/en active Active
- 2016-02-26 EP EP16756473.1A patent/EP3261751A4/en active Pending
- 2016-02-26 CN CN201680024240.2A patent/CN107532497A/zh active Pending
-
2017
- 2017-09-20 ZA ZA2017/06345A patent/ZA201706345B/en unknown
-
2020
- 2020-10-30 JP JP2020182933A patent/JP2021037512A/ja active Pending
-
2022
- 2022-12-02 JP JP2022193515A patent/JP2023025178A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
RU2701529C2 (ru) | 2019-09-27 |
EP3261751A4 (en) | 2018-11-14 |
KR20240051329A (ko) | 2024-04-19 |
JP2023025178A (ja) | 2023-02-21 |
KR20170120656A (ko) | 2017-10-31 |
CN118128625A (zh) | 2024-06-04 |
EP3261751A1 (en) | 2018-01-03 |
JP2021037512A (ja) | 2021-03-11 |
US20180043305A1 (en) | 2018-02-15 |
MX2017010990A (es) | 2017-10-18 |
CA2977523A1 (en) | 2016-09-01 |
JP2018507777A (ja) | 2018-03-22 |
RU2017133481A (ru) | 2019-03-27 |
US11154815B2 (en) | 2021-10-26 |
ZA201706345B (en) | 2022-08-31 |
CN107532497A (zh) | 2018-01-02 |
RU2017133481A3 (pt) | 2019-04-15 |
MY193820A (en) | 2022-10-27 |
WO2016138418A1 (en) | 2016-09-01 |
CA2977523C (en) | 2023-05-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112017018136A2 (pt) | sistemas para tratamento de gás de escape e de gás de escape, e, método para tratamento de uma corrente de gás de escape. | |
BR112016026502A2 (pt) | Artigo catalítico, e, sistema e método para tratar um gás de escape | |
BR112017016102A2 (pt) | sistemas de gás de escape e de tratamento de gás de escape, e, método para tratamento de uma corrente de gás de escape | |
BR112017002298A2 (pt) | sistema e método para tratamento de um gás de escape. | |
BR112017002843A2 (pt) | sistema e método para tratamento de um gás de escape. | |
BR112019001997A2 (pt) | métodos para ativar um pó de peneira molecular e para tratar uma corrente de exaustão, método de preparação de um artigo catalítico, artigo de redução catalítica e sistemas de redução catalítica e de tratamento de gases de exaustão | |
BR112017009013A2 (pt) | artigo catalítico, método para reduzir seletivamente óxidos de nitrogênio e sistema para tratar gás de exaustão | |
BR112012028320A2 (pt) | "artigo catalítico, sistema de tratamento de emissões, e, método para preparar um artigo catalítico" | |
BR112019001977A2 (pt) | artigo de redução catalítica seletiva, sistema de redução catalítica seletiva, sistema de tratamento de gás de escape e método para tratar uma corrente de escape contendo nox | |
BR112017007017A2 (pt) | catalisador para tratamento de gás de escape, catalisador de composição de revestimento reativo, sistema de tratamento de gás de escape, e, método para tratar um gás de escape. | |
BR112017021018A2 (pt) | filtro particulado catalisado, e, método de reduzir o gás de escape de um motor a diesel de queima pobre. | |
BR112016001924A2 (pt) | artigo de catalisador, sistema e método para tratar gás de escape | |
BR112017016994A2 (pt) | sistema de emissão para veículos para remoção de nox e particulados do gás de escape de um motor de combustão deficiente, e, método de tratamento de gás de escape de motor de combustão deficiente contendo nox e o material particulado. | |
BR112017020825A2 (pt) | filtro particulado catalisado, e, método para fabricar um filtro particulado revestido | |
EP3755891A4 (en) | EXHAUST GAS TREATMENT SYSTEM WITH UPSTREAM SCR CATALYST | |
BR112018009908A2 (pt) | composição de catalisador, artigo de catalisador, métodos para reduzir seletivamente óxidos de nitrogênio e para preparar uma composição de catalisador, e, sistema para tratamento de gás de escape. | |
BR112016029719A8 (pt) | material de redução catalítica seletiva (scr), método para reduzir seletivamente o óxido de nitrogênio (nox) e sistema para tratamento de gases de exaustão | |
BR112016029021A8 (pt) | catalisador de metal básico, sistema para tratamento de uma corrente de gases de escape e metodo para tratamento de uma corrente de escape | |
BR112014007886A2 (pt) | catalisador, preferencialmente para uso em redução catalítica seletiva (scr), sistema de tratamento de gás de exaustão e processo para o tratamento de uma corrente de gás | |
BR112017018372A2 (pt) | processo e aparelho de desnitrificação de gás | |
BR112015002829A2 (pt) | composição de catalisador para o tratamento dos gases de exaustão, revestimento catalítico, artigo catalítico, sistema para tratamento de gases de exaustão, e, método para o tratamento de um gás de exaustão | |
BR112018070061A2 (pt) | método para a dessulfatação de um catalisador de scr, processo e sistema de tratamento de emissões | |
BR112014027819A2 (pt) | processo e aparelho de granulação de ureia com sistema de depuração | |
BR112019001408A2 (pt) | catalisador suportado, processos para preparar o catalisador suportado e para preparar o catalisador de redução, catalisadores de redução e métodos para reduzir nox em gás de escape e para tratamento de gás | |
BR112012007553A2 (pt) | artigos catalisador, método de tratar de uma corrente de gás de escapamento diesel de queima pobre e sistema para tratar escapamento de um motor diesel de queima pobre |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
B12B | Appeal against refusal [chapter 12.2 patent gazette] |