FI86513B - Katalysator foer reducering av kvaeveoxider. - Google Patents

Katalysator foer reducering av kvaeveoxider. Download PDF

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Publication number
FI86513B
FI86513B FI870659A FI870659A FI86513B FI 86513 B FI86513 B FI 86513B FI 870659 A FI870659 A FI 870659A FI 870659 A FI870659 A FI 870659A FI 86513 B FI86513 B FI 86513B
Authority
FI
Finland
Prior art keywords
catalyst
catalyst according
zirconia
zeolite
weight
Prior art date
Application number
FI870659A
Other languages
English (en)
Finnish (fi)
Other versions
FI86513C (sv
FI870659A0 (fi
FI870659A (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
Application granted granted Critical
Publication of FI86513B publication Critical patent/FI86513B/fi
Publication of FI86513C publication Critical patent/FI86513C/sv

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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

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  • 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)

Claims (9)

1. Katalysator, sora innehäller zeolit och är avsedd för selektiv reducering av kväveoxider (NO ) till kväve i X 5 närvaro av ammoniak, kännetecknad därav, att katalysatorn är en formblandning, som innehäller 5-50 vikt-% zirkoniumoxidutgängsämne med en ytarea av minst 10 m2/g, 50 - 90 % av en eller flera zeoliter i väte- eller ammoniumform och 0 - 30 % bindemedel.
2. Katalysator enligt patentkravet 1, känne tecknad därav, att zeoliten till största delen bes-tär av klinoptilolit.
3. Katalysator enligt patentkravet 1, känne tecknad därav, att zeoliten utgörs av klinoptilo- 15 lit.
4. Katalysator enligt patentkravet 1, känne tecknad därav, att zirkoniumoxiden erhällits genom hydrolysering av ett zirkonylsalt.
5. Katalysator enligt nägot av de föregäende pa- 20 tentkraven, kännetecknad därav, att zirko niumoxiden erhällits genom hydrolysering av ett eller flera zirkoniumsalter tili Zr02.
6. Katalysator enligt nägot av de föregäende pa-tentkraven, kännetecknad därav, att den inne- 25 häller minst 0,1 vikt-% promotor, som är vanadin- eller kopparoxid.
7. Katalysator enligt nägot av de föregäende pa-tentkraven, kännetecknad därav, att den akti-va katalysatorkompositionen anbringats pä ett metalliskt 30 eller keramiskt bärarämne.
8. Katalysator enligt nägot av de föregäende pa- tentkraven, kännetecknad därav, att zirko- niumoxidutgängsämnet har en ytarea av minst 50 m2/g.
9. Katalysator enligt nägot av de föregäende pa-• 35 tentkraven, kännetecknad därav, att den är i form av ringar, kulor, korsringar, stjärnor, sadlar, agg-regat, celler eller pelleter.
FI870659A 1986-02-18 1987-02-17 Katalysator för reducering av kväveoxider FI86513C (sv)

Applications Claiming Priority (2)

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
US82988486 1986-02-18

Publications (4)

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

Family

ID=25255819

Family Applications (1)

Application Number Title Priority Date Filing Date
FI870659A FI86513C (sv) 1986-02-18 1987-02-17 Katalysator för reducering av kväveoxider

Country Status (14)

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

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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
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

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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
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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 (sv) 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
BR8700731A (pt) 1987-12-15
NO170716C (no) 1992-11-25
CA1285546C (en) 1991-07-02
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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Owner name: NORTON COMPANY

MA Patent expired