KR870007723A - 선택적 접촉환원 촉매 조성물 - Google Patents
선택적 접촉환원 촉매 조성물 Download PDFInfo
- Publication number
- KR870007723A KR870007723A KR870001298A KR870001298A KR870007723A KR 870007723 A KR870007723 A KR 870007723A KR 870001298 A KR870001298 A KR 870001298A KR 870001298 A KR870001298 A KR 870001298A KR 870007723 A KR870007723 A KR 870007723A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- weight
- zirconia
- catalyst composition
- catalyst according
- Prior art date
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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
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)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (9)
- 그람당 10㎡이상의 표면적을 갖는 지르코니아 출발물질 5-50중량%, 수소 및 암모늄 형태로 하나 혹은 그 이상의 제올라이트 50-90중량%와 결합제 0-30중량%의 성형 공결합 혼합물로서, 암모니아의 존재하에 NOx를 질소로 선택적으로 환원시키는 촉매.
- 제1항에 있어서, 상기의 제올라이트가 클리노프틸로 라이트 다량 부분을 함유하는 촉매.
- 제1항에 있어서, 상기의 제올라이트가 클리노프틸로 라이트인 촉매.
- 제1항에 있어서, 상기의 지르코니아가 지르코닐 염의 가스분해로부터 유도되는 촉매.
- 제1항에 있어서, 상기 지르코니아가 하나 또는 그 이상의 지르코늄염이 ZrO2로 가수분해 되는 것으로부터 유도되는 촉매.
- 제1항 내지 제5항중 어느 한 항에 있어서, 바나듐 혹은 구리의 산화물인 촉진제를 0.1중량 이상 함유하는 촉매.
- 제1항 내지 제5항중 어느 한 항에 있어서, 활성촉매 조성물이 금속 혹은 세라믹 지지물위에 피복되는 촉매.
- 제1항 내지 제5항중 어느 한 항에 있어서, 지르코니아 출발물질이 g당 50㎡이상의 표면적을 갖는 촉매.
- 제1항 내지 제5항중 어느 한 항에 있어서, 고리, 구형, 교차 분할 고리, 별, 안장, 집합물, 벌집 혹은 펠렛 형태인 촉매.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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 |
US829,884 | 1986-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870007723A true KR870007723A (ko) | 1987-09-21 |
KR950002222B1 KR950002222B1 (ko) | 1995-03-15 |
Family
ID=25255819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870001298A KR950002222B1 (ko) | 1986-02-18 | 1987-02-17 | 선택적 접촉환원 촉매 조성물 |
Country Status (14)
Country | Link |
---|---|
US (1) | US4735930A (ko) |
EP (1) | EP0234441B1 (ko) |
JP (1) | JPH0712436B2 (ko) |
KR (1) | KR950002222B1 (ko) |
CN (1) | CN1015964B (ko) |
AT (1) | ATE65935T1 (ko) |
AU (1) | AU594118B2 (ko) |
BR (1) | BR8700731A (ko) |
CA (1) | CA1285546C (ko) |
DE (1) | DE3771889D1 (ko) |
FI (1) | FI86513C (ko) |
NO (1) | NO170716C (ko) |
SG (1) | SG52492G (ko) |
ZA (1) | ZA871029B (ko) |
Families Citing this family (32)
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 |
EP0362966B1 (en) * | 1988-10-07 | 1994-01-12 | Sakai Chemical Industry Co., Ltd., | Catalysts and methods for denitrization |
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 |
US7998423B2 (en) * | 2007-02-27 | 2011-08-16 | Basf Corporation | SCR on low thermal mass filter substrates |
AR065501A1 (es) * | 2007-02-27 | 2009-06-10 | Basf Catalysts Llc | Catalizadores de zeolita cha de cobre |
KR20150065907A (ko) * | 2007-02-27 | 2015-06-15 | 바스프 카탈리스트 엘엘씨 | 선택적 암모니아 산화를 위한 이원기능 촉매 |
CN102974390A (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 |
GB2482094B (en) | 2009-04-17 | 2014-05-14 | Johnson Matthey Plc | Small pore molecular sieve supported copper catalysts durable against lean/rich ageing for the reduction of nitrogen oxides |
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 |
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 |
KR101922828B1 (ko) * | 2010-02-01 | 2018-11-27 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 압출된 scr 필터 |
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 |
US9067837B2 (en) | 2013-03-15 | 2015-06-30 | Three D 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 |
JP7342031B2 (ja) * | 2018-04-23 | 2023-09-11 | ビーエーエスエフ コーポレーション | ディーゼルエンジン排気ガス処理用の選択的接触還元触媒 |
Family Cites Families (14)
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 |
DE1135429B (de) * | 1969-06-16 | 1962-08-30 | Engelhard Ind Inc | Verfahren zur Reinigung von Abgasen, die Oxyde des Stickstoffs und Sauerstoff enthalten |
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 |
-
1986
- 1986-02-18 US US06/829,884 patent/US4735930A/en not_active Expired - Lifetime
-
1987
- 1987-01-30 CA CA000528546A patent/CA1285546C/en not_active Expired - Fee Related
- 1987-02-12 ZA ZA871029A patent/ZA871029B/xx unknown
- 1987-02-13 AT AT87102039T patent/ATE65935T1/de not_active IP Right Cessation
- 1987-02-13 EP EP87102039A patent/EP0234441B1/en not_active Expired - Lifetime
- 1987-02-13 DE DE8787102039T patent/DE3771889D1/de not_active Expired - Fee Related
- 1987-02-16 AU AU68851/87A patent/AU594118B2/en not_active Ceased
- 1987-02-17 BR BR8700731A patent/BR8700731A/pt not_active IP Right Cessation
- 1987-02-17 JP JP62032620A patent/JPH0712436B2/ja not_active Expired - Fee Related
- 1987-02-17 KR KR1019870001298A patent/KR950002222B1/ko not_active IP Right Cessation
- 1987-02-17 NO NO870616A patent/NO170716C/no unknown
- 1987-02-17 FI FI870659A patent/FI86513C/fi not_active IP Right Cessation
- 1987-02-18 CN CN87100737A patent/CN1015964B/zh not_active Expired
-
1992
- 1992-05-11 SG SG52492A patent/SG52492G/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI86513B (fi) | 1992-05-29 |
NO170716B (no) | 1992-08-17 |
FI870659A0 (fi) | 1987-02-17 |
CA1285546C (en) | 1991-07-02 |
FI870659A (fi) | 1987-08-19 |
AU6885187A (en) | 1987-08-20 |
NO870616L (no) | 1987-08-19 |
NO870616D0 (no) | 1987-02-17 |
JPS62193649A (ja) | 1987-08-25 |
EP0234441A2 (en) | 1987-09-02 |
CN87100737A (zh) | 1987-11-04 |
ZA871029B (en) | 1987-08-04 |
EP0234441B1 (en) | 1991-08-07 |
DE3771889D1 (de) | 1991-09-12 |
SG52492G (en) | 1992-07-24 |
FI86513C (fi) | 1992-09-10 |
KR950002222B1 (ko) | 1995-03-15 |
EP0234441A3 (en) | 1988-11-09 |
NO170716C (no) | 1992-11-25 |
AU594118B2 (en) | 1990-03-01 |
ATE65935T1 (de) | 1991-08-15 |
CN1015964B (zh) | 1992-03-25 |
JPH0712436B2 (ja) | 1995-02-15 |
US4735930A (en) | 1988-04-05 |
BR8700731A (pt) | 1987-12-15 |
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