TWI409104B - A catalyst for purifying exhaust gas containing organic nitrides and a method for purifying the exhaust gas - Google Patents

A catalyst for purifying exhaust gas containing organic nitrides and a method for purifying the exhaust gas Download PDF

Info

Publication number
TWI409104B
TWI409104B TW094124179A TW94124179A TWI409104B TW I409104 B TWI409104 B TW I409104B TW 094124179 A TW094124179 A TW 094124179A TW 94124179 A TW94124179 A TW 94124179A TW I409104 B TWI409104 B TW I409104B
Authority
TW
Taiwan
Prior art keywords
catalyst
zeolite
particles
copper oxide
catalyst composition
Prior art date
Application number
TW094124179A
Other languages
English (en)
Chinese (zh)
Other versions
TW200615048A (en
Inventor
Tomoo Ikoma
Takanobu Sakurai
Yoshiki Nakano
Original Assignee
Nikki Universal Co Ltd
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 Nikki Universal Co Ltd filed Critical Nikki Universal Co Ltd
Publication of TW200615048A publication Critical patent/TW200615048A/zh
Application granted granted Critical
Publication of TWI409104B publication Critical patent/TWI409104B/zh

Links

Classifications

    • 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
    • B01J29/40—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
    • B01J29/42—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 containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • 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
    • 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
    • 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
    • B01D53/8634—Ammonia
    • 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
    • B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072—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
    • B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • B01J29/20—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing iron group metals, noble metals or copper
    • B01J29/24—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
    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • B01J29/26—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • 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
    • 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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B01J37/04—Mixing
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum

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)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
TW094124179A 2004-07-15 2005-07-15 A catalyst for purifying exhaust gas containing organic nitrides and a method for purifying the exhaust gas TWI409104B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004208279 2004-07-15

Publications (2)

Publication Number Publication Date
TW200615048A TW200615048A (en) 2006-05-16
TWI409104B true TWI409104B (zh) 2013-09-21

Family

ID=35784034

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094124179A TWI409104B (zh) 2004-07-15 2005-07-15 A catalyst for purifying exhaust gas containing organic nitrides and a method for purifying the exhaust gas

Country Status (8)

Country Link
US (1) US8575054B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP1787720B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP5069467B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR101126063B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN101018604B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN2007CH00672A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TWI409104B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO2006006702A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005411A1 (de) * 2004-02-03 2005-08-18 Degussa Ag Hydrophobe Fällungskieselsäure für Entschäumerformulierungen
RU2009135861A (ru) * 2007-02-27 2011-04-10 Басф Каталистс Ллк (Us) Бифункциональные катализаторы для селективного окисления аммиака
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
DK3278863T3 (da) 2007-04-26 2020-02-17 Johnson Matthey Plc Overgangsmetal/aei-zeolit-scr-katalysator
FR2920758B1 (fr) * 2007-09-07 2009-11-13 Inst Francais Du Petrole Materiau cristallise a porosite hierarchisee et comprenant du silicium
US7727499B2 (en) * 2007-09-28 2010-06-01 Basf Catalysts Llc Ammonia oxidation catalyst for power utilities
JP5384368B2 (ja) * 2007-12-12 2014-01-08 日揮ユニバーサル株式会社 アンモニア分解触媒および該触媒によるアンモニア含有排ガスの処理方法
WO2009141872A1 (ja) * 2008-05-20 2009-11-26 イビデン株式会社 ハニカム構造体
US10632423B2 (en) * 2008-11-03 2020-04-28 Basf Corporation Bimetallic catalysts for selective ammonia oxidation
US8524185B2 (en) * 2008-11-03 2013-09-03 Basf Corporation Integrated SCR and AMOx catalyst systems
US10583424B2 (en) * 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
CN101905156B (zh) * 2009-06-04 2013-02-13 唐幸福 一种高效固定源脱硝整体型催化剂
TWI414356B (zh) * 2009-12-31 2013-11-11 Univ Nat Yunlin Sci & Tech 結合氧化亞銅與沸石之吸附觸媒的製造方法
EP2593212B2 (en) * 2010-07-15 2021-06-02 Basf Se Copper containing zsm-34, off and/or eri zeolitic material for selective reduction of nox
JP5616382B2 (ja) * 2012-03-05 2014-10-29 株式会社豊田中央研究所 酸化触媒及びそれを用いた排ガス浄化方法
CN102772996B (zh) * 2012-07-18 2014-01-15 常州大学 一种处理化肥厂废气中氨氮处理方法
CN102773008B (zh) * 2012-07-18 2014-06-25 常州大学 一种处理炼油废气中高浓度氨氮的方法
CN102776034B (zh) * 2012-07-18 2014-01-15 常州大学 一种处理焦化煤气中高浓度氨氮的方法
CN102772997B (zh) * 2012-07-18 2014-06-11 常州大学 一种处理化工废气中高浓度氨氮的方法
WO2015011819A1 (ja) * 2013-07-25 2015-01-29 三菱電機株式会社 脱臭装置
WO2015099024A1 (ja) 2013-12-26 2015-07-02 日揮ユニバーサル株式会社 アンモニア分解触媒
WO2015154829A1 (en) 2014-04-07 2015-10-15 Haldor Topsøe A/S Method for producing metal exchanged microporous materials by solid-state ion exchange
JP6393591B2 (ja) * 2014-11-12 2018-09-19 日立造船株式会社 アルデヒド分解触媒および排ガス処理設備ならびに排ガス処理方法
US9901900B2 (en) 2014-11-13 2018-02-27 Samsung Electronics Co., Ltd. Gas-adsorbing material and vacuum insulation material including the same
ITUB20154976A1 (it) * 2015-10-16 2017-04-16 Lavazza Luigi Spa Procedimento per il trattamento degli effluenti gassosi sviluppati in un impianto di tostatura del caffe.
CN107913596B (zh) * 2016-10-09 2020-05-05 中国石油化工股份有限公司 含氰废气催化氧化脱氰方法
CN106807432A (zh) * 2017-02-06 2017-06-09 无锡威孚环保催化剂有限公司 一种用于NO氧化的Pt‑Pd双金属催化剂及其制备方法
CN109569272B (zh) * 2017-09-28 2021-11-30 中国石油化工股份有限公司 含氰废气处理方法
CN108816275B (zh) * 2018-04-19 2021-02-05 南京红太阳生物化学有限责任公司 一种用于合成气制吡啶碱的催化剂及制备方法和应用
CN111346502B (zh) * 2018-12-20 2022-03-11 中国石油化工股份有限公司 一种不完全再生烟气的处理方法
CA3123538A1 (en) * 2018-12-27 2020-07-02 Nikki-Universal Co., Ltd. Catalyst for ammonia decomposition and exhaust gas treatment method
CN110918117B (zh) * 2019-11-28 2023-03-21 浙江师范大学 一种用于消除含氮有机物的催化剂及其制备方法
CN111215130B (zh) * 2019-11-28 2023-03-21 浙江师范大学 一种用于消除二乙胺的催化剂及其制备方法
JP6956826B2 (ja) * 2020-04-03 2021-11-02 株式会社キャタラー 排ガス浄化触媒装置
CN114632524A (zh) * 2022-05-18 2022-06-17 中国环境科学研究院 一种用于石化废水处理的铜-锰/三氧化二铝催化剂及其制备方法
CN116550133A (zh) * 2023-05-11 2023-08-08 江苏省环境工程技术有限公司 一种废气超净氧化处理系统、催化剂及其应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07284670A (ja) * 1994-04-18 1995-10-31 Nippon Chem Ind Co Ltd 酸化分解性脱臭触媒
JPH09299461A (ja) * 1996-05-16 1997-11-25 Matsushita Electric Ind Co Ltd 脱臭体

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0811188B2 (ja) * 1991-05-16 1996-02-07 松下電器産業株式会社 脱臭用触媒体
DE4116362A1 (de) 1991-05-18 1992-11-19 Solvay Catalysts Gmbh Verfahren zur entfernung des ammoniakgehaltes in gasen
JPH05115751A (ja) * 1991-10-24 1993-05-14 Tokyo Gas Co Ltd ガス燃焼排ガスの処理方法および該方法に用いられる触媒
US5254327A (en) * 1992-04-03 1993-10-19 Intevep, S.A. Zeolitic catalyst of MFI type, its preparation and use
JPH06334A (ja) 1992-06-16 1994-01-11 Kurabo Ind Ltd 除塵脱硝フィルター
JP3321214B2 (ja) * 1992-11-16 2002-09-03 エヌ・イーケムキャット株式会社 排気ガス浄化用触媒
JPH07328440A (ja) * 1994-06-14 1995-12-19 Ishikawajima Harima Heavy Ind Co Ltd アンモニア分解用触媒
DK171722B1 (da) 1994-10-14 1997-04-14 Topsoe Haldor As Fremgangsmåde til katalytisk lavtemperaturoxidation af ammoniak i en ammoniakholdig gas
JP3388941B2 (ja) * 1995-05-19 2003-03-24 三菱重工業株式会社 排ガスの浄化方法
JPH08332388A (ja) * 1995-06-06 1996-12-17 Sakai Chem Ind Co Ltd アンモニア分解剤
NL1002847C2 (nl) 1996-04-11 1997-10-15 Sara Lee De Nv Werkwijze voor het katalytisch verbranden van afgassen.
JPH10249165A (ja) 1997-03-07 1998-09-22 Masaru Ichikawa アンモニア含有ガスの処理方法
DE69826768T2 (de) * 1997-07-02 2006-03-09 Tosoh Corp., Shinnanyo Adsorbens für Kohlenwasserstoff und Katalysator zur Abgasreinigung
CN100457238C (zh) * 1998-02-22 2009-02-04 无锡威孚力达催化净化器有限责任公司 用于净化内燃机尾气和/或工业废气的催化剂及其制备
JP3655802B2 (ja) 2000-04-14 2005-06-02 日本電気株式会社 廃水処理方法及び当該方法を用いた廃水処理装置
AU2002364694A1 (en) * 2001-11-09 2003-06-30 Engelhard Corporation Platinum group metal promoted copper oxidation catalysts and methods for carbon monoxide remediation
JP4096052B2 (ja) 2002-07-31 2008-06-04 独立行政法人産業技術総合研究所 廃ガス中に含まれるニトリル化合物の分解処理方法
JP2004167306A (ja) 2002-11-18 2004-06-17 Ict:Kk 排ガス浄化用触媒および排ガス浄化方法
JP4791049B2 (ja) * 2005-02-16 2011-10-12 ニチアス株式会社 エアフィルタ用シート及びその製造方法並びにエアフィルタ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07284670A (ja) * 1994-04-18 1995-10-31 Nippon Chem Ind Co Ltd 酸化分解性脱臭触媒
JPH09299461A (ja) * 1996-05-16 1997-11-25 Matsushita Electric Ind Co Ltd 脱臭体

Also Published As

Publication number Publication date
EP1787720B1 (en) 2016-11-02
WO2006006702B1 (ja) 2006-03-30
EP1787720A4 (en) 2011-08-31
EP1787720A1 (en) 2007-05-23
IN2007CH00672A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2007-08-24
JPWO2006006702A1 (ja) 2008-07-31
CN101018604B (zh) 2010-12-08
US20070286786A1 (en) 2007-12-13
WO2006006702A1 (ja) 2006-01-19
KR101126063B1 (ko) 2012-03-29
US8575054B2 (en) 2013-11-05
JP5069467B2 (ja) 2012-11-07
CN101018604A (zh) 2007-08-15
KR20070033473A (ko) 2007-03-26
TW200615048A (en) 2006-05-16

Similar Documents

Publication Publication Date Title
TWI409104B (zh) A catalyst for purifying exhaust gas containing organic nitrides and a method for purifying the exhaust gas
JP7023046B2 (ja) 非ｐｇｍアンモニアスリップ触媒
CN114669190B (zh) 用于处理废气的催化制品
CN107847918A (zh) 单层或双层氨泄漏催化剂
CN107847862A (zh) Nh3过量剂量耐受的scr催化剂
GB2533448A (en) Zoned catalyst for treating exhaust gas
JP2017521246A (ja) アンモニア酸化触媒として上部層ｓｃｒコンポーネントを有するペロブスカイト、及びディーゼル機関における排気エミッション制御のためのシステム
CN111801164A (zh) 具有原位Pt固定的氨漏失催化剂
KR20150129851A (ko) 배기가스를 처리하기 위한 촉매로서 알루미노실리케이트 또는 실리코알루미노포스페이트 분자 체/망간 팔면체 분자 체
JP2013533804A (ja) ＮＯｘの選択的還元用の銅含有ＺＳＭ−３４、ＯＦＦ及び／又はＥＲＩゼオライト系材料
CN111001437A (zh) 一种aei/afx结构共生复合分子筛及其制备方法和scr应用
JP2024510742A (ja) バナジウム系触媒及びモレキュラーシーブ系触媒を含む触媒物品
CN110961146A (zh) 一种具有cha/rth拓扑结构共生复合分子筛及其制备方法和scr应用
TWI868097B (zh) 氨分解用觸媒及排氣之處理方法
KR100931106B1 (ko) 선택적 촉매환원 촉매 및 그 제조방법
CN110961147A (zh) 一种aei/rth结构共生复合分子筛及其制备方法和scr应用
EP4279175A1 (en) Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems
GB2538414A (en) Catalytic article for treating exhaust gas
JP2002113331A (ja) 排ガス脱硝方法およびそのシステム
JP7741540B2 (ja) アンモニアエンジンの排ガス処理システム及びアンモニアエンジンの排ガス処理方法
JPH05317650A (ja) 窒素酸化物接触還元用触媒
JP3295992B2 (ja) 排気ガス浄化用触媒
JP2025132849A (ja) アンモニア分解触媒および排ガス処理方法
WO2025182770A1 (ja) 気相アンモニア分解用の触媒、触媒体、プロセス、および気相アンモニア分解用の装置
JPH09150061A (ja) アンモニア分解触媒

Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent