SG52492G - Catalyst for reduction of oxides of nitrogen - Google Patents

Catalyst for reduction of oxides of nitrogen

Info

Publication number
SG52492G
SG52492G SG52492A SG52492A SG52492G SG 52492 G SG52492 G SG 52492G SG 52492 A SG52492 A SG 52492A SG 52492 A SG52492 A SG 52492A SG 52492 G SG52492 G SG 52492G
Authority
SG
Singapore
Prior art keywords
oxides
nitrogen
catalyst
reduction
weight
Prior art date
Application number
SG52492A
Other languages
English (en)
Original Assignee
Norton Co
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 Norton Co filed Critical Norton Co
Publication of SG52492G publication Critical patent/SG52492G/en

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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
SG52492A 1986-02-18 1992-05-11 Catalyst for reduction of oxides of nitrogen SG52492G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/829,884 US4735930A (en) 1986-02-18 1986-02-18 Catalyst for the reduction of oxides of nitrogen

Publications (1)

Publication Number Publication Date
SG52492G true SG52492G (en) 1992-07-24

Family

ID=25255819

Family Applications (1)

Application Number Title Priority Date Filing Date
SG52492A SG52492G (en) 1986-02-18 1992-05-11 Catalyst for reduction of oxides of nitrogen

Country Status (14)

Country Link
US (1) US4735930A (zh)
EP (1) EP0234441B1 (zh)
JP (1) JPH0712436B2 (zh)
KR (1) KR950002222B1 (zh)
CN (1) CN1015964B (zh)
AT (1) ATE65935T1 (zh)
AU (1) AU594118B2 (zh)
BR (1) BR8700731A (zh)
CA (1) CA1285546C (zh)
DE (1) DE3771889D1 (zh)
FI (1) FI86513C (zh)
NO (1) NO170716C (zh)
SG (1) SG52492G (zh)
ZA (1) ZA871029B (zh)

Families Citing this family (32)

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US5158582A (en) * 1988-05-30 1992-10-27 Hitachi Zosen Corporation Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas
DE68912262T2 (de) * 1988-10-07 1994-05-11 Sakai Chemical Industry Co Katalysatoren und Verfahren zur Denitrierung.
JP2732614B2 (ja) * 1988-10-18 1998-03-30 バブコツク日立株式会社 排ガス浄化用触媒および排ガス浄化方法
US5743929A (en) * 1995-08-23 1998-04-28 The Boc Group, Inc. Process for the production of high purity carbon dioxide
US6991771B2 (en) * 1996-10-09 2006-01-31 Powerspan Corp. NOx, Hg, and SO2 removal using ammonia
KR100385715B1 (ko) * 2001-02-05 2003-05-27 코오롱건설주식회사 클리놉틸로라이트를 이용하는 질소산화물 제거용 촉매
US6936231B2 (en) 2001-12-06 2005-08-30 Powerspan Corp. NOx, Hg, and SO2 removal using ammonia
GB0214968D0 (en) * 2002-06-28 2002-08-07 Johnson Matthey Plc Zeolite-based NH SCR catalyst
KR100599251B1 (ko) * 2003-09-20 2006-07-13 에스케이 주식회사 디메틸에테르 합성용 촉매와 촉매의 제조방법
US7585490B2 (en) 2005-04-15 2009-09-08 University Of Iowa Research Foundation Synthesis and use of nanocrystalline zeolites
US7712308B2 (en) * 2005-11-08 2010-05-11 Tenneco Automotive Operating Company Inc. Selective catalyst reduction of nitrogen oxides with hydrogen
BRPI0619944B8 (pt) * 2005-12-14 2018-03-20 Basf Catalysts Llc método para preparar um catalisador de zeólito promovido por metal, catalisador de zeólito, e, método para reduzir nox em uma corrente de gás de exaustão ou gás combustível
JP5082361B2 (ja) * 2006-09-27 2012-11-28 東ソー株式会社 ＳＣＲ触媒用β型ゼオライト及びそれを用いた窒素酸化物の浄化方法
US7601662B2 (en) * 2007-02-27 2009-10-13 Basf Catalysts Llc Copper CHA zeolite catalysts
CN105251359A (zh) * 2007-02-27 2016-01-20 巴斯夫公司 用于选择性氨氧化的双功能催化剂
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
US20100290963A1 (en) * 2007-04-26 2010-11-18 Johnson Matthey Public Limited Company Transition metal / zeolite scr catalysts
US20090196812A1 (en) 2008-01-31 2009-08-06 Basf Catalysts Llc Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure
US10583424B2 (en) 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
DE102010027883A1 (de) * 2009-04-17 2011-03-31 Johnson Matthey Public Ltd., Co. Verfahren zur Verwendung eines Katalysators mit Kupfer und einem kleinporigen molekularen Sieb in einem chemischen Prozess
RU2546666C2 (ru) * 2009-04-17 2015-04-10 Джонсон Мэттей Паблик Лимитед Компани Катализаторы восстановления оксидов азота из нанесенной на мелкопористое молекулярное сито меди, стойкие к старению при колебаниях состава бедной/богатой смеси
EP2335810B1 (de) * 2009-12-11 2012-08-01 Umicore AG & Co. KG Selektive katalytische Reduktion von Stickoxiden im Abgas von Dieselmotoren
US8293199B2 (en) * 2009-12-18 2012-10-23 Basf Corporation Process for preparation of copper containing molecular sieves with the CHA structure, catalysts, systems and methods
US8293198B2 (en) * 2009-12-18 2012-10-23 Basf Corporation Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods
US8263032B2 (en) * 2010-02-01 2012-09-11 Johnson Matthey Public Limited Company Oxidation catalyst
EP2465606A1 (de) 2010-12-16 2012-06-20 Umicore Ag & Co. Kg Zeolith-basierter Katalysator mit verbesserter katalytischer Aktivität zur Reduktion von Stickoxiden
US8821818B1 (en) 2013-03-15 2014-09-02 Three D Stack, LLC Cleaning stack gas
US9919269B2 (en) 2013-03-15 2018-03-20 3D Clean Coal Emissions Stack Llc Clean coal stack
CA2914389C (en) 2013-03-15 2019-11-26 3D Clean Coal Emissions Stack, Llc Cleaning stack gas
EP3454983A4 (en) 2016-05-14 2020-01-15 3D Clean Coal Emissions Stack, LLC PURIFICATION OF GASEOUS EFFLUENTS
GB201705279D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Plc Selective catalytic reduction catalyst
CN111971121A (zh) * 2018-04-23 2020-11-20 巴斯夫公司 用于处理柴油发动机废气的选择性催化还原催化剂

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345135A (en) * 1963-12-06 1967-10-03 Mobil Oil Corp The catalytic oxidation of hydrocarbons in the presence of hydrogen sulfide to produce carbon disulfide and oxides of carbon
US3346328A (en) * 1967-03-30 1967-10-10 Francis J Sergeys Method of treating exhaust gases
NL109842C (zh) * 1969-06-16 1964-11-16
US3755534A (en) * 1971-08-12 1973-08-28 Grace W R & Co Catalytic control of auto exhaust emissions
NL7412538A (en) * 1973-09-13 1975-04-02 Kogyo Kaihatsu Kenkyusho Ind R Redn catalysts for removing nitrogen oxides from waste gases - contg metal components on a synthetic zeolite support
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
US3895094A (en) * 1974-01-28 1975-07-15 Gulf Oil Corp Process for selective reduction of oxides of nitrogen
US4220632A (en) * 1974-09-10 1980-09-02 The United States Of America As Represented By The United States Department Of Energy Reduction of nitrogen oxides with catalytic acid resistant aluminosilicate molecular sieves and ammonia
US4473535A (en) * 1976-01-26 1984-09-25 Northeast Utilities Service Company Process for reducing nitric oxides
GB2039863B (en) * 1979-01-12 1982-11-24 Norton Co Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite
SU831166A1 (ru) * 1979-04-05 1981-05-23 Тбилисский Ордена Трудовогокрасного Знамени Государственный Университет Способ очистки газов от окисловАзОТА и ОКиСи углЕРОдА
US4302620A (en) * 1980-10-29 1981-11-24 Mobil Oil Corporation Reactions involving zeolite catalysts modified with group IV A metals
JPS5987044A (ja) * 1982-11-09 1984-05-19 Babcock Hitachi Kk 二酸化窒素の接触熱分解用触媒
US4663300A (en) * 1985-12-23 1987-05-05 Uop Inc. Pollution control catalyst

Also Published As

Publication number Publication date
EP0234441A3 (en) 1988-11-09
EP0234441B1 (en) 1991-08-07
FI870659A (fi) 1987-08-19
FI86513B (fi) 1992-05-29
KR870007723A (ko) 1987-09-21
AU594118B2 (en) 1990-03-01
FI870659A0 (fi) 1987-02-17
NO170716B (no) 1992-08-17
BR8700731A (pt) 1987-12-15
JPH0712436B2 (ja) 1995-02-15
FI86513C (fi) 1992-09-10
ATE65935T1 (de) 1991-08-15
NO870616L (no) 1987-08-19
JPS62193649A (ja) 1987-08-25
CN87100737A (zh) 1987-11-04
AU6885187A (en) 1987-08-20
ZA871029B (en) 1987-08-04
US4735930A (en) 1988-04-05
CA1285546C (en) 1991-07-02
KR950002222B1 (ko) 1995-03-15
NO870616D0 (no) 1987-02-17
DE3771889D1 (de) 1991-09-12
EP0234441A2 (en) 1987-09-02
CN1015964B (zh) 1992-03-25
NO170716C (no) 1992-11-25

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