JP6326257B2 - 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法 - Google Patents

燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法 Download PDF

Info

Publication number
JP6326257B2
JP6326257B2 JP2014060080A JP2014060080A JP6326257B2 JP 6326257 B2 JP6326257 B2 JP 6326257B2 JP 2014060080 A JP2014060080 A JP 2014060080A JP 2014060080 A JP2014060080 A JP 2014060080A JP 6326257 B2 JP6326257 B2 JP 6326257B2
Authority
JP
Japan
Prior art keywords
exhaust gas
catalyst
combustion exhaust
denitration
zeolite
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
JP2014060080A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015182005A (ja
JP2015182005A5 (OSRAM
Inventor
諭史 吉田
諭史 吉田
日数谷 進
進 日数谷
香奈 清水
香奈 清水
恵美 庄野
恵美 庄野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanadevia Corp
Original Assignee
Hitachi Zosen Corp
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
Priority to JP2014060080A priority Critical patent/JP6326257B2/ja
Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to EP15769841.6A priority patent/EP3124113A4/en
Priority to CN201580015047.8A priority patent/CN106132539B/zh
Priority to US15/125,730 priority patent/US10112183B2/en
Priority to KR1020167024714A priority patent/KR102363752B1/ko
Priority to PCT/JP2015/058742 priority patent/WO2015146913A1/ja
Publication of JP2015182005A publication Critical patent/JP2015182005A/ja
Publication of JP2015182005A5 publication Critical patent/JP2015182005A5/ja
Application granted granted Critical
Publication of JP6326257B2 publication Critical patent/JP6326257B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74Iron group metals
    • B01J23/75Cobalt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40Crystalline 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
    • B01J29/42Crystalline 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 containing iron group metals, noble metals or copper
    • B01J29/46Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/65Crystalline 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
    • B01J29/66Crystalline 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 containing iron group metals, noble metals or copper
    • B01J29/68Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/19Catalysts containing parts with different compositions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0201Impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16Reducing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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 characterised by methods of operation; Control
    • F01N3/20Exhaust 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 characterised by methods of operation; Control specially adapted for catalytic conversion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/208Hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20746Cobalt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/50Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/50Zeolites
    • B01D2255/504ZSM 5 zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/18After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • B01J2229/186After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30After treatment, characterised by the means used
    • B01J2229/40Special temperature treatment, i.e. other than just for template removal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2235/00Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2235/00Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/15X-ray diffraction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/024Multiple impregnation or coating
    • B01J37/0246Coatings comprising a zeolite
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2370/00Selection of materials for exhaust purification
    • F01N2370/02Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04Zeolitic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14Nitrogen oxides
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2014060080A 2014-03-24 2014-03-24 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法 Active JP6326257B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2014060080A JP6326257B2 (ja) 2014-03-24 2014-03-24 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法
CN201580015047.8A CN106132539B (zh) 2014-03-24 2015-03-23 燃烧废气净化用催化剂和燃烧废气的净化方法
US15/125,730 US10112183B2 (en) 2014-03-24 2015-03-23 Catalyst for purifying combustion exhaust gas, and method for purifying combustion exhaust gas
KR1020167024714A KR102363752B1 (ko) 2014-03-24 2015-03-23 연소배기가스 정화용 촉매 및 연소배기가스의 정화방법
EP15769841.6A EP3124113A4 (en) 2014-03-24 2015-03-23 Combustion exhaust gas purifying catalyst and method for purifying combustion exhaust gas
PCT/JP2015/058742 WO2015146913A1 (ja) 2014-03-24 2015-03-23 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014060080A JP6326257B2 (ja) 2014-03-24 2014-03-24 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法

Publications (3)

Publication Number Publication Date
JP2015182005A JP2015182005A (ja) 2015-10-22
JP2015182005A5 JP2015182005A5 (OSRAM) 2017-02-09
JP6326257B2 true JP6326257B2 (ja) 2018-05-16

Family

ID=54195426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014060080A Active JP6326257B2 (ja) 2014-03-24 2014-03-24 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法

Country Status (6)

Country Link
US (1) US10112183B2 (OSRAM)
EP (1) EP3124113A4 (OSRAM)
JP (1) JP6326257B2 (OSRAM)
KR (1) KR102363752B1 (OSRAM)
CN (1) CN106132539B (OSRAM)
WO (1) WO2015146913A1 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6232223B2 (ja) * 2013-07-25 2017-11-15 日立造船株式会社 排ガス浄化方法
CN120054605A (zh) * 2023-11-22 2025-05-30 陈海军 含钒fer型沸石及其应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0543221A (ja) 1991-08-16 1993-02-23 Tosoh Corp コバルト化合物含有ゼオライト及びその製造方法
JPH0543222A (ja) 1991-08-16 1993-02-23 Tosoh Corp Co3O4含有ゼオライト及びその製造方法
JPH07303820A (ja) * 1994-03-14 1995-11-21 Sekiyu Sangyo Kasseika Center 窒素酸化物の接触還元方法
JP4172828B2 (ja) * 1996-07-24 2008-10-29 株式会社明電舎 脱硝剤および排気ガス中の窒素酸化物の除去方法
JP2004358454A (ja) 2003-04-11 2004-12-24 Sumitomo Metal Mining Co Ltd 排ガス浄化触媒及び浄化方法
JP2006220107A (ja) 2005-02-14 2006-08-24 Sumitomo Metal Mining Co Ltd 排ガスの脱硝浄化方法及びその装置
CN101723404A (zh) 2008-10-24 2010-06-09 北京化工大学 一种高过渡金属含量分子筛的制备方法
WO2011045252A1 (en) * 2009-10-14 2011-04-21 Basf Se Copper containing levyne molecular sieve for selective reduction of nox
JP6051084B2 (ja) * 2012-03-30 2016-12-21 日立造船株式会社 燃焼排ガスの浄化方法、および脱硝触媒
SG11201502434YA (en) * 2012-12-07 2015-04-29 Exxonmobil Res & Eng Co Synthesis of zsm-5 crystals with improved morphology

Also Published As

Publication number Publication date
JP2015182005A (ja) 2015-10-22
WO2015146913A1 (ja) 2015-10-01
CN106132539A (zh) 2016-11-16
KR102363752B1 (ko) 2022-02-15
CN106132539B (zh) 2019-02-19
EP3124113A4 (en) 2017-09-27
US20170001181A1 (en) 2017-01-05
KR20160137995A (ko) 2016-12-02
EP3124113A1 (en) 2017-02-01
US10112183B2 (en) 2018-10-30

Similar Documents

Publication Publication Date Title
JP6572133B2 (ja) 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法
KR101950670B1 (ko) 금속 도핑된 제올라이트 및 제오타입의 제조 방법 및 질소 산화물의 촉매 정화에 대한 이들의 적용
JP5431160B2 (ja) ジルコニウムおよびケイ素の酸化物とならびにチタン、アルミニウム、タングステン、モリブデン、セリウム、鉄、スズ、亜鉛およびマンガンから選択される少なくとも1種類の他の元素の酸化物とを含有する高酸性度組成物
CN102166522B (zh) 一种烟气脱硝催化剂及其制备和应用
JP5987010B2 (ja) ジルコニウム、セリウムおよびニオブを含む組成物を触媒として用いて、酸化窒素(NOx)を含有するガスを処理する方法
EP3487620A1 (en) Catalyst composite and use thereof in the selective catalytic reduction of nox
KR101629483B1 (ko) 바나듐계 탈질촉매 및 그 제조방법
CN104941630A (zh) 一种低温高活性烟气脱硝催化剂及其制备
CN104772162A (zh) 低温NH3还原NOx的Zr-Ce-Mn-Fe/ZSM-5复合氧化物催化剂及其制备方法
JP2022529175A (ja) NOxの選択的還元のための、AFX構造を有するゼオライトと少なくとも1つの遷移金属を含む触媒の急速合成
JP6326257B2 (ja) 燃焼排ガス浄化用触媒、および燃焼排ガスの浄化方法
JP6886776B2 (ja) 排ガス浄化触媒
JPWO2012086413A1 (ja) 脱硝触媒用担体、脱硝触媒及び脱硝装置
JP5164821B2 (ja) 窒素酸化物選択的接触還元用触媒
KR20080113565A (ko) 선택적 촉매 환원 반응용 철 담지 제올라이트 촉매의제조방법
JP6051084B2 (ja) 燃焼排ガスの浄化方法、および脱硝触媒
JP6134552B2 (ja) 燃焼排ガスの浄化方法、および脱硝触媒
CN112188929B (zh) 用于nox选择性还原的包含afx结构沸石和bea结构沸石的混合物以及至少一种过渡金属的催化剂
KR101629487B1 (ko) 저온에서의 질소산화물 제거용 망간-세리아-텅스텐-티타니아 촉매 및 그 제조방법
JP6051083B2 (ja) 燃焼排ガスの浄化方法、および脱硝触媒
RU2647847C1 (ru) Катализатор, способ его приготовления и способ очистки отходящих газов от оксидов азота
WO2014087910A1 (ja) 燃焼排ガス浄化用触媒およびこの触媒を用いる脱硝浄化方法
PL246810B1 (pl) Zeolitowy katalizator do selektywnej redukcji NOx amoniakiem i sposób jego wytwarzania
JPH11342336A (ja) 窒素酸化物の分解除去用触媒a及び窒素酸化物の分解除去方法
WO2013069713A1 (ja) 燃焼排ガス中の窒素酸化物の除去触媒および同触媒を用いる窒素酸化物の除去方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20161226

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20161226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170829

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171030

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180320

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180416

R150 Certificate of patent or registration of utility model

Ref document number: 6326257

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250