BR8700731A - Composicao catalisadora - Google Patents

Composicao catalisadora

Info

Publication number
BR8700731A
BR8700731A BR8700731A BR8700731A BR8700731A BR 8700731 A BR8700731 A BR 8700731A BR 8700731 A BR8700731 A BR 8700731A BR 8700731 A BR8700731 A BR 8700731A BR 8700731 A BR8700731 A BR 8700731A
Authority
BR
Brazil
Prior art keywords
catalyst composition
weight
oxides
nitrogen
catalyst
Prior art date
Application number
BR8700731A
Other languages
English (en)
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 BR8700731A publication Critical patent/BR8700731A/pt

Links

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)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (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)
BR8700731A 1986-02-18 1987-02-17 Composicao catalisadora BR8700731A (pt)

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
BR8700731A true BR8700731A (pt) 1987-12-15

Family

ID=25255819

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8700731A BR8700731A (pt) 1986-02-18 1987-02-17 Composicao catalisadora

Country Status (14)

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

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
ES2542510T5 (es) * 2007-02-27 2019-01-16 Basf Corp Catalizadores de zeolita CHA de cobre
MY151931A (en) * 2007-02-27 2014-07-31 Basf Catalysts Llc Bifunctional cataysts for selective ammonia oxidation
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
EP2517777A3 (en) * 2007-04-26 2013-01-09 Johnson Matthey Public Limited Company Transition metal/cha-zeolite scr catalyst
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
US7998443B2 (en) 2009-04-17 2011-08-16 Johnson Matthey Public Limited Company Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides
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
JP5847094B2 (ja) * 2010-02-01 2016-01-20 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 Publiclimited Company 押出しソリッド体を含む三元触媒
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
CA2914389C (en) 2013-03-15 2019-11-26 3D Clean Coal Emissions Stack, Llc Cleaning stack gas
US9919269B2 (en) 2013-03-15 2018-03-20 3D Clean Coal Emissions Stack Llc Clean coal stack
MX2018013975A (es) 2016-05-14 2019-10-09 3 D Clean Coal Emissions Stack Llc Limpieza de chimenea de gas.
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
DE1135430B (de) * 1969-06-16 1962-08-30 Engelhard Ind Inc Verfahren zur selektiven Reduktion von Oxyden des Stickstoffs in Abgasgemischen, diebei der Herstellung von Salpetersaeure aus Ammoniak anfallen
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
CN1015964B (zh) 1992-03-25
NO170716B (no) 1992-08-17
US4735930A (en) 1988-04-05
KR950002222B1 (ko) 1995-03-15
FI86513C (fi) 1992-09-10
AU6885187A (en) 1987-08-20
FI870659A0 (fi) 1987-02-17
EP0234441B1 (en) 1991-08-07
ZA871029B (en) 1987-08-04
CN87100737A (zh) 1987-11-04
NO170716C (no) 1992-11-25
CA1285546C (en) 1991-07-02
FI86513B (fi) 1992-05-29
KR870007723A (ko) 1987-09-21
ATE65935T1 (de) 1991-08-15
EP0234441A2 (en) 1987-09-02
NO870616L (no) 1987-08-19
NO870616D0 (no) 1987-02-17
FI870659A (fi) 1987-08-19
EP0234441A3 (en) 1988-11-09
JPS62193649A (ja) 1987-08-25
JPH0712436B2 (ja) 1995-02-15
DE3771889D1 (de) 1991-09-12
SG52492G (en) 1992-07-24
AU594118B2 (en) 1990-03-01

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 17/02/2002