KR880000141A - 선택성 촉매환원 촉매 - Google Patents

선택성 촉매환원 촉매 Download PDF

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Publication number
KR880000141A
KR880000141A KR870005966A KR870005966A KR880000141A KR 880000141 A KR880000141 A KR 880000141A KR 870005966 A KR870005966 A KR 870005966A KR 870005966 A KR870005966 A KR 870005966A KR 880000141 A KR880000141 A KR 880000141A
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South Korea
Prior art keywords
catalyst
catalytic reduction
reduction catalyst
selective catalytic
ceria
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KR870005966A
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English (en)
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정현정
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원본미기재
죤슨 마테이 인코포레이티드
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Publication of KR880000141A publication Critical patent/KR880000141A/ko

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    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04—Sulfides
    • B01J27/043—Sulfides with iron group metals or platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

내용 없음

Description

선택성 촉매환원 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (7)

  1. 본질적으로 지지체상에 세리아 및 알루미나의 혼합물로 담지된, 망간 또는 니켈, 또는 이의 혼합물의 옥시황 화합물로 이루어진 촉매.
  2. 제 1 항에 있어서, 세리아는 세리아 및 알루미나 혼합물의 2내지 60중량%인 촉매.
  3. 제 2 항에 있어서, 망간, 니켈 또는 이의 혼합물은 담체중량 기준으로 금속의 0.1 내지 25중량%인 촉매.
  4. 제 1 항에 있어서, 지지체는 세라믹 또는 금속 지지체인 촉매.
  5. 철의 옥시황 화합물을 함유하는 제 1 항의 촉매.
  6. 가스에 NH3를 가하고 NOx와 NH3를 반응시키기 위해 촉매상에 가스를 통과시켜서 과잉의 산소를 함유한 가스로부터 NOx를 제거하는 방법에 있어서, 촉매로서 제 1 항의 촉매를 사용하는 것을 특징으로 하는 NOx의 제거 방법.
  7. 제 6 항에 있어서, 가스가 SOx를 함유하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR870005966A 1986-06-13 1987-06-12 선택성 촉매환원 촉매 KR880000141A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/874,154 US4695437A (en) 1986-06-13 1986-06-13 Selective catalytic reduction catalysts
US874154 1986-06-13

Publications (1)

Publication Number Publication Date
KR880000141A true KR880000141A (ko) 1988-03-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR870005966A KR880000141A (ko) 1986-06-13 1987-06-12 선택성 촉매환원 촉매

Country Status (5)

Country Link
US (1) US4695437A (ko)
EP (1) EP0262754A1 (ko)
JP (1) JPS62298451A (ko)
KR (1) KR880000141A (ko)
AU (1) AU585820B2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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US5106602A (en) * 1990-07-03 1992-04-21 The Research Foundation Of State University Of New York Low temperature catalytic reduction of nitrogen oxides
JP3351115B2 (ja) * 1994-08-05 2002-11-25 株式会社ニコン 顕微鏡の回転レボルバ制御装置
US7070746B1 (en) 1999-05-26 2006-07-04 Solutia Inc. Process for nitrous oxide purification
US8115373B2 (en) 2005-07-06 2012-02-14 Rochester Institute Of Technology Self-regenerating particulate trap systems for emissions and methods thereof
US7862640B2 (en) 2006-03-21 2011-01-04 Donaldson Company, Inc. Low temperature diesel particulate matter reduction system
EP2969188A1 (en) 2013-03-14 2016-01-20 Johnson Matthey Public Limited Company Cerium-modified manganese octahedral molecular sieves as catalysts for selective catalytic reduction
DE102015209988A1 (de) 2014-06-02 2015-12-03 Johnson Matthey Public Limited Company Beschichtete Artikel mit hohen KNOx/KSOx-Verhältnissen für die selektive katalytische Reduktion
CN104624199B (zh) * 2015-02-04 2017-01-25 大连理工大学 一种Mn基棒状微观形貌复合氧化物低温脱硝催化剂的制备方法
CN108579409A (zh) * 2018-04-04 2018-09-28 江苏华本环境科技有限公司 一种高温条件下的scr烟气脱硝方法
CN111530453A (zh) * 2020-04-30 2020-08-14 山东理工大学 低温SCR脱硝反应Ce-Mn复合材料催化剂及其制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454355A (en) * 1966-05-20 1969-07-08 Chevron Res Method of removing sulfur dioxide and nitrogen oxides from gases
DE2165548C3 (de) * 1971-12-30 1978-09-14 Hoechst Ag, 6000 Frankfurt Reduktionskatalysator zur Reduktion von Stickoxiden in Abgasen
US3857921A (en) * 1972-09-27 1974-12-31 Asahi Chemical Ind Method for eliminating nitrogen oxides and catalyst composition for use in practicing said method
JPS5327699B2 (ko) * 1972-12-25 1978-08-10
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
JPS5410944B2 (ko) * 1973-08-27 1979-05-10
US4021185A (en) * 1973-12-10 1977-05-03 Engelhard Minerals & Chemicals Corporation Compositions and methods for high temperature stable catalysts
JPS5520735B2 (ko) * 1975-02-22 1980-06-04
US3987146A (en) * 1975-08-07 1976-10-19 The United States Of America As Represented By The United States Energy Research And Development Administration Simultaneous removal of nitrogen oxides and sulfur oxides from combustion gases
JPS5265763A (en) * 1975-11-28 1977-05-31 Mitsui Petrochem Ind Ltd Process for removing nitrogen oxides in exhaust gas
JPS52156168A (en) * 1976-06-22 1977-12-26 Mitsubishi Chem Ind Ltd Waste gas treatment of nitric acid plant
JPS544873A (en) * 1977-06-14 1979-01-13 Mitsubishi Chem Ind Ltd Decomposing method for nitrogen oxides
JPS5610334A (en) * 1979-07-06 1981-02-02 Toyota Motor Corp Catalyst for cleaning up exhaust gas and manufacture of said catalyst
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JPH0675676B2 (ja) * 1986-12-24 1994-09-28 トヨタ自動車株式会社 排気ガス浄化用触媒

Also Published As

Publication number Publication date
EP0262754A1 (en) 1988-04-06
AU7407187A (en) 1987-12-17
AU585820B2 (en) 1989-06-22
JPS62298451A (ja) 1987-12-25
US4695437A (en) 1987-09-22

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