KR102227793B1 - NOx를 함유하는 배기가스를 처리하기 위한 제올라이트 블렌드 촉매 - Google Patents

NOx를 함유하는 배기가스를 처리하기 위한 제올라이트 블렌드 촉매 Download PDF

Info

Publication number
KR102227793B1
KR102227793B1 KR1020167008276A KR20167008276A KR102227793B1 KR 102227793 B1 KR102227793 B1 KR 102227793B1 KR 1020167008276 A KR1020167008276 A KR 1020167008276A KR 20167008276 A KR20167008276 A KR 20167008276A KR 102227793 B1 KR102227793 B1 KR 102227793B1
Authority
KR
South Korea
Prior art keywords
zeolite
catalyst
metal
catalyst according
exhaust gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020167008276A
Other languages
English (en)
Korean (ko)
Other versions
KR20160048192A (ko
Inventor
가이 리차드 챈들러
알렉산더 니콜라스 마이클 그린
폴 리차드 필립스
Original Assignee
존슨 맛쎄이 퍼블릭 리미티드 컴파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 존슨 맛쎄이 퍼블릭 리미티드 컴파니 filed Critical 존슨 맛쎄이 퍼블릭 리미티드 컴파니
Publication of KR20160048192A publication Critical patent/KR20160048192A/ko
Application granted granted Critical
Publication of KR102227793B1 publication Critical patent/KR102227793B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • B01J29/763—CHA-type, e.g. Chabazite, LZ-218
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/80—Mixtures of different zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0246—Coatings comprising a zeolite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • 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
    • B01D2255/904—Multiple catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7015—CHA-type, e.g. Chabazite, LZ-218
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
KR1020167008276A 2013-08-30 2014-08-29 NOx를 함유하는 배기가스를 처리하기 위한 제올라이트 블렌드 촉매 Active KR102227793B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361872094P 2013-08-30 2013-08-30
US61/872,094 2013-08-30
PCT/GB2014/052613 WO2015028805A1 (en) 2013-08-30 2014-08-29 Zeolite blend catalysts for treating exhaust gas containing nox

Publications (2)

Publication Number Publication Date
KR20160048192A KR20160048192A (ko) 2016-05-03
KR102227793B1 true KR102227793B1 (ko) 2021-03-15

Family

ID=51492364

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167008276A Active KR102227793B1 (ko) 2013-08-30 2014-08-29 NOx를 함유하는 배기가스를 처리하기 위한 제올라이트 블렌드 촉매

Country Status (10)

Country Link
US (1) US9278343B2 (enExample)
EP (1) EP3038749B1 (enExample)
JP (2) JP6559673B2 (enExample)
KR (1) KR102227793B1 (enExample)
CN (2) CN105611998B (enExample)
BR (1) BR112016004021B1 (enExample)
DE (1) DE102014112413A1 (enExample)
GB (2) GB2534644B (enExample)
RU (1) RU2669556C2 (enExample)
WO (1) WO2015028805A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6293676B2 (ja) * 2012-01-31 2018-03-14 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 触媒混合物
EP3038749B1 (en) * 2013-08-30 2022-11-30 Johnson Matthey Public Limited Company Zeolite blend catalysts for treating exhaust gas containing nox
EP3077107B1 (en) * 2013-12-02 2023-07-26 Johnson Matthey Public Limited Company Synthesis of aei zeolite
CN107107043A (zh) * 2014-10-07 2017-08-29 庄信万丰股份有限公司 用于处理废气的分子筛催化剂
CN107106978A (zh) * 2014-11-14 2017-08-29 庄信万丰股份有限公司 Afx沸石
ES2589059B1 (es) 2015-05-05 2017-08-17 Consejo Superior De Investigaciones Cientificas SÍNTESIS DIRECTA DE Cu-CHA MEDIANTE LA COMBINACIÓN DE UN COMPLEJO DE Cu Y TETRAETILAMONIO, Y APLICACIONES EN CATÁLISIS
US10150676B2 (en) 2016-06-29 2018-12-11 Chevron U.S.A. Inc. Zeolite SSZ-52x
CN109996764B (zh) * 2016-09-30 2022-12-27 庄信万丰股份有限公司 采用碱土金属的沸石合成
CN110023240A (zh) * 2016-09-30 2019-07-16 庄信万丰股份有限公司 Afx沸石的合成
FR3067020B1 (fr) * 2017-05-31 2022-03-18 Ifp Energies Now Synthese directe d'un materiau sapo de structure afx comprenant du cuivre et utilisation de ce materiau
US10472247B2 (en) 2017-12-18 2019-11-12 Chevron U.S.A. Inc. Zeolite SSZ-52x
EP3526165A1 (en) * 2017-12-18 2019-08-21 Chevron U.S.A. Inc. Zeolite ssz-52x
CN111954577A (zh) * 2018-04-11 2020-11-17 巴斯夫公司 含有混合沸石的scr催化剂
WO2020212397A2 (en) * 2019-04-15 2020-10-22 Basf Corporation A selective catalytic reduction catalyst on a filter
FR3095130B1 (fr) * 2019-04-19 2022-03-11 Ifp Energies Now Synthese rapide d’un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox
US20200398456A1 (en) * 2019-06-24 2020-12-24 The Curators Of The University Of Missouri Additively-manufactured structure for reactionary processes
US12128389B2 (en) * 2019-08-02 2024-10-29 Basf Mobile Emissions Catalysts Llc Chabazite synthesis method including organic and inorganic structure directing agents and chabazite zeolite with flake-like morphology
CN111359656B (zh) * 2020-03-16 2020-12-11 中山大学 一种脱硝催化剂Cu-SSZ-52及其制备方法和应用
JP7516560B2 (ja) * 2020-06-25 2024-07-16 ビーエーエスエフ コーポレーション 銅促進ゼオライトを調製する方法
US20230249164A1 (en) * 2020-06-25 2023-08-10 Basf Corporation Zeolite-Containing SCR Catalyst
KR20230076483A (ko) 2021-11-24 2023-05-31 삼성전자주식회사 촉매 분해 장치 및 폐가스 통합 처리 시스템
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012148968A (ja) 2010-12-28 2012-08-09 Tosoh Corp 銅及びアルカリ土類金属を担持したゼオライト
WO2013114172A1 (en) 2012-01-31 2013-08-08 Johnson Matthey Public Limited Company Catalyst blends

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
AU3373597A (en) * 1996-05-29 1998-01-05 Exxon Chemical Patents Inc. Hydrocarbon conversion catalyst and its use
JPH10328570A (ja) * 1997-03-31 1998-12-15 Mazda Motor Corp 排気ガス浄化用触媒及びその製造方法並びに排気ガス浄化方法
SG173330A1 (en) * 2005-04-29 2011-08-29 Grace W R & Co Nox reduction compositions for use in partial burn fcc processes
WO2008106519A1 (en) * 2007-02-27 2008-09-04 Basf Catalysts Llc Copper cha zeolite catalysts
US7998423B2 (en) * 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
MY179762A (en) * 2007-03-26 2020-11-12 Pq Corp Novel microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
JP5174488B2 (ja) * 2008-02-25 2013-04-03 日揮触媒化成株式会社 排ガス処理装置
US10583424B2 (en) * 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
WO2010121257A1 (en) * 2009-04-17 2010-10-21 Johnson Matthey Public Limited Company Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
BR112012025748A2 (pt) * 2010-04-08 2017-08-29 Basf Se Catalisador, sistema de tratamento de gás de escape, e, processo para tratamento de uma corrente de gás
GB201100595D0 (en) 2010-06-02 2011-03-02 Johnson Matthey Plc Filtration improvements
WO2012075400A1 (en) * 2010-12-02 2012-06-07 Johnson Matthey Public Limited Company Zeolite catalyst containing metal
US8789356B2 (en) * 2011-07-28 2014-07-29 Johnson Matthey Public Limited Company Zoned catalytic filters for treatment of exhaust gas
JP2014530097A (ja) 2011-10-05 2014-11-17 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ガス流中のＮＯｘを処理するためのＣｕ−ＣＨＡ／Ｆｅ−ＢＥＡ混合ゼオライト触媒および方法
CN108249454A (zh) * 2011-12-02 2018-07-06 Pq公司 稳定化的微孔结晶材料、其制备方法以及选择性催化还原NOx的用途
WO2014062944A1 (en) * 2012-10-19 2014-04-24 Basf Corporation Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems and methods
EP3038749B1 (en) * 2013-08-30 2022-11-30 Johnson Matthey Public Limited Company Zeolite blend catalysts for treating exhaust gas containing nox

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012148968A (ja) 2010-12-28 2012-08-09 Tosoh Corp 銅及びアルカリ土類金属を担持したゼオライト
WO2013114172A1 (en) 2012-01-31 2013-08-08 Johnson Matthey Public Limited Company Catalyst blends

Also Published As

Publication number Publication date
KR20160048192A (ko) 2016-05-03
EP3038749B1 (en) 2022-11-30
DE102014112413A1 (de) 2015-03-05
WO2015028805A1 (en) 2015-03-05
CN110394188B (zh) 2022-07-15
RU2669556C2 (ru) 2018-10-12
RU2016111605A (ru) 2017-10-05
JP2016536126A (ja) 2016-11-24
GB2534644A (en) 2016-08-03
GB201415287D0 (en) 2014-10-15
BR112016004021B1 (pt) 2021-01-12
GB201519589D0 (en) 2015-12-23
US20150064088A1 (en) 2015-03-05
GB2519648A (en) 2015-04-29
GB2534644B (en) 2019-04-17
CN105611998B (zh) 2019-11-08
RU2016111605A3 (enExample) 2018-03-06
JP2019104011A (ja) 2019-06-27
JP6875428B2 (ja) 2021-05-26
CN110394188A (zh) 2019-11-01
JP6559673B2 (ja) 2019-08-14
CN105611998A (zh) 2016-05-25
EP3038749A1 (en) 2016-07-06
US9278343B2 (en) 2016-03-08

Similar Documents

Publication Publication Date Title
KR102227793B1 (ko) NOx를 함유하는 배기가스를 처리하기 위한 제올라이트 블렌드 촉매
JP7108007B2 (ja) 排気ガスを処理するための触媒
KR102428707B1 (ko) 배기가스를 처리하기 위한 분자체 촉매
US9999876B2 (en) Catalyst blends

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20160329

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20190627

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20200902

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20210217

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20210309

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20210310

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20240226

Start annual number: 4

End annual number: 4