FI870659A - Katalysator foer reducering av kvaeveoxider. - Google Patents

Katalysator foer reducering av kvaeveoxider. Download PDF

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Publication number
FI870659A
FI870659A FI870659A FI870659A FI870659A FI 870659 A FI870659 A FI 870659A FI 870659 A FI870659 A FI 870659A FI 870659 A FI870659 A FI 870659A FI 870659 A FI870659 A FI 870659A
Authority
FI
Finland
Prior art keywords
kvaeveoxider
reducering
catalyst converter
weight
oxides
Prior art date
Application number
FI870659A
Other languages
English (en)
Other versions
FI86513B (fi
FI86513C (fi
FI870659A0 (fi
Inventor
William H Gerdes
Charles Lim
Thomas Szymanski
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 FI870659A0 publication Critical patent/FI870659A0/fi
Publication of FI870659A publication Critical patent/FI870659A/fi
Publication of FI86513B publication Critical patent/FI86513B/fi
Application granted granted Critical
Publication of FI86513C publication Critical patent/FI86513C/fi

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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
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • B01D53/8628Processes characterised by a specific catalyst
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (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)
FI870659A 1986-02-18 1987-02-17 Katalysator foer reducering av kvaeveoxider. FI86513C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82988486 1986-02-18
US06/829,884 US4735930A (en) 1986-02-18 1986-02-18 Catalyst for the reduction of oxides of nitrogen

Publications (4)

Publication Number Publication Date
FI870659A0 FI870659A0 (fi) 1987-02-17
FI870659A true FI870659A (fi) 1987-08-19
FI86513B FI86513B (fi) 1992-05-29
FI86513C FI86513C (fi) 1992-09-10

Family

ID=25255819

Family Applications (1)

Application Number Title Priority Date Filing Date
FI870659A FI86513C (fi) 1986-02-18 1987-02-17 Katalysator foer reducering av kvaeveoxider.

Country Status (14)

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

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5261189B2 (ja) * 2005-12-14 2013-08-14 ビーエーエスエフ コーポレーション Nox選択的触媒還元効率の改善されたゼオライト触媒
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
JP5683111B2 (ja) * 2007-02-27 2015-03-11 ビーエーエスエフ コーポレーション 銅chaゼオライト触媒
MX2009009097A (es) * 2007-02-27 2009-09-18 Basf Catalysts Llc Catalizadores difuncionales para la oxidacion selectiva de amoniaco.
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
CN102974391A (zh) 2007-04-26 2013-03-20 约翰逊马西有限公司 过渡金属/沸石scr催化剂
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
KR102180723B1 (ko) * 2009-04-17 2020-11-20 존슨 맛쎄이 퍼블릭 리미티드 컴파니 질소 산화물의 환원에 대한 희박/농후 노화에 대해 내구적인 소기공 분자 체 지지된 구리 촉매
GB2469581A (en) * 2009-04-17 2010-10-20 Johnson Matthey Plc Method of using copper/small pore molecular sieve catalysts in a chemical process
EP2335810B1 (de) * 2009-12-11 2012-08-01 Umicore AG & Co. KG Selektive katalytische Reduktion von Stickoxiden im Abgas von Dieselmotoren
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
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
KR101922734B1 (ko) * 2010-02-01 2019-02-20 존슨 맛쎄이 퍼블릭 리미티드 컴파니 그을음 산화와 nh3-scr 촉매의 조합을 포함하는 필터
EP2465606A1 (de) 2010-12-16 2012-06-20 Umicore Ag & Co. Kg Zeolith-basierter Katalysator mit verbesserter katalytischer Aktivität zur Reduktion von Stickoxiden
US9919269B2 (en) 2013-03-15 2018-03-20 3D Clean Coal Emissions Stack Llc Clean coal stack
US9067837B2 (en) 2013-03-15 2015-06-30 Three D Stack, LLC Cleaning stack gas
US8821818B1 (en) 2013-03-15 2014-09-02 Three D Stack, LLC Cleaning stack gas
AU2017267474A1 (en) 2016-05-14 2019-01-03 3 D Clean Coal Emissions Stack, Llc Clean gas stack
GB201705279D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Plc Selective catalytic reduction catalyst
US11549417B2 (en) * 2018-04-23 2023-01-10 Basf Corporation Selective catalytic reduction catalyst for the treatment of an exhaust gas of a diesel engine

Family Cites Families (14)

* 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 (fi) * 1969-06-16 1964-11-16
US3741725A (en) * 1971-08-12 1973-06-26 J Graham 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
KR950002222B1 (ko) 1995-03-15
US4735930A (en) 1988-04-05
EP0234441A2 (en) 1987-09-02
NO870616D0 (no) 1987-02-17
CA1285546C (en) 1991-07-02
DE3771889D1 (de) 1991-09-12
NO170716C (no) 1992-11-25
CN1015964B (zh) 1992-03-25
CN87100737A (zh) 1987-11-04
NO870616L (no) 1987-08-19
AU594118B2 (en) 1990-03-01
FI86513B (fi) 1992-05-29
FI86513C (fi) 1992-09-10
FI870659A0 (fi) 1987-02-17
SG52492G (en) 1992-07-24
BR8700731A (pt) 1987-12-15
ATE65935T1 (de) 1991-08-15
NO170716B (no) 1992-08-17
ZA871029B (en) 1987-08-04
EP0234441B1 (en) 1991-08-07
AU6885187A (en) 1987-08-20
JPH0712436B2 (ja) 1995-02-15
JPS62193649A (ja) 1987-08-25
KR870007723A (ko) 1987-09-21

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: NORTON COMPANY

MA Patent expired