KR102747753B1 - 혼합 제올라이트 함유 scr 촉매 - Google Patents

혼합 제올라이트 함유 scr 촉매 Download PDF

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KR102747753B1
KR102747753B1 KR1020207028933A KR20207028933A KR102747753B1 KR 102747753 B1 KR102747753 B1 KR 102747753B1 KR 1020207028933 A KR1020207028933 A KR 1020207028933A KR 20207028933 A KR20207028933 A KR 20207028933A KR 102747753 B1 KR102747753 B1 KR 102747753B1
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zeolite
catalyst composition
catalyst
substrate
metal
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KR20200130845A (ko
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위에진 리
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바스프 모바일 에미션스 카탈리스츠 엘엘씨
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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
    • 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
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/084—Y-type faujasite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J29/65—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
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  • Analytical Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
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CN113692313A (zh) * 2019-04-15 2021-11-23 巴斯夫公司 在过滤器上的选择性催化还原催化剂
KR20230028726A (ko) * 2020-06-25 2023-03-02 바스프 코포레이션 제올라이트-함유 scr 촉매
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
JP7793652B2 (ja) * 2022-01-13 2026-01-05 株式会社キャタラー ガソリンエンジンの排ガス浄化用触媒体およびこれを用いた排ガス浄化システム
CN114733563B (zh) * 2022-05-10 2023-06-16 中国科学院生态环境研究中心 一种Cu-CHA与H-AEI的复合催化剂及其制备方法与应用
KR102808855B1 (ko) 2022-08-09 2025-05-20 주식회사 에코프로에이치엔 제올라이트 및 금속 산화물을 포함하는 배출물 처리 촉매
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015205243A (ja) 2014-04-21 2015-11-19 株式会社豊田中央研究所 ＮＯｘ選択還元触媒及びそれを用いたＮＯｘ浄化方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
EP3981502B8 (en) * 2007-04-26 2025-04-16 Johnson Matthey Public Limited Company Transition metal/zeolite scr catalysts
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
MX2012011540A (es) * 2010-04-08 2012-11-16 Basf Se Catalizador de zeolita mixta de fe-bea/fe-mfi y proceso para tratar nox en corrientes de gas usando el mismo.
US9352307B2 (en) * 2010-04-08 2016-05-31 Basf Corporation Cu-CHA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOx in gas streams
US8987162B2 (en) * 2010-08-13 2015-03-24 Ut-Battelle, Llc Hydrothermally stable, low-temperature NOx reduction NH3-SCR catalyst
CN103298557B (zh) 2010-12-02 2016-10-12 庄信万丰股份有限公司 含有金属的沸石催化剂
US8789356B2 (en) 2011-07-28 2014-07-29 Johnson Matthey Public Limited Company Zoned catalytic filters for treatment of exhaust gas
CN104066508B (zh) * 2011-10-05 2018-02-06 巴斯夫欧洲公司 Cu‑CHA/Fe‑BEA混合沸石催化剂和处理气流中的NOX的方法
US9999877B2 (en) * 2011-10-05 2018-06-19 Basf Se Cu-CHA/Fe-BEA mixed zeolite catalyst and process for the treatment of NOx in gas streams
CN104080532A (zh) * 2011-12-01 2014-10-01 庄信万丰股份有限公司 用于处理废气的催化剂
BR112016004021B1 (pt) 2013-08-30 2021-01-12 Johnson Matthey Public Limited Company catalisador para tratamento de um gás de escape, artigo de catalisador para tratamento de gás de escape, e, método para tratamento de gás de escape
US9782761B2 (en) 2013-10-03 2017-10-10 Ford Global Technologies, Llc Selective catalytic reduction catalyst
US9764313B2 (en) 2014-06-18 2017-09-19 Basf Corporation Molecular sieve catalyst compositions, catalyst composites, systems, and methods
WO2016130456A1 (en) * 2015-02-09 2016-08-18 Basf Corporation Diesel oxidation catalyst
EP4464403A1 (en) * 2015-03-19 2024-11-20 BASF Corporation Filter catalyzed with scr catalyst, systems and methods
US10105691B2 (en) * 2016-03-31 2018-10-23 Ford Global Technologies, Llc Multiple zeolite hydrocarbon traps
WO2018064318A1 (en) * 2016-09-30 2018-04-05 Johnson Matthey Public Limited Company A novel zeolite synthesis with alkaline earth metal
GB201705289D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Catalysts (Germany) Gmbh Selective catalytic reduction catalyst

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015205243A (ja) 2014-04-21 2015-11-19 株式会社豊田中央研究所 ＮＯｘ選択還元触媒及びそれを用いたＮＯｘ浄化方法

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