CA1091899A - Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote - Google Patents

Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote

Info

Publication number
CA1091899A
CA1091899A CA304,764A CA304764A CA1091899A CA 1091899 A CA1091899 A CA 1091899A CA 304764 A CA304764 A CA 304764A CA 1091899 A CA1091899 A CA 1091899A
Authority
CA
Canada
Prior art keywords
catalyst
nitrogen oxides
exhaust gas
manganese
removal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA304,764A
Other languages
English (en)
Inventor
Masayuki Funabashi
Koji Seguchi
Tadashi Araki
Hatsuo Saito
Ritaro Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Application granted granted Critical
Publication of CA1091899A publication Critical patent/CA1091899A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CA304,764A 1977-06-08 1978-06-05 Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote Expired CA1091899A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP52067584A JPS5920383B2 (ja) 1977-06-08 1977-06-08 低温で活性の高いＮＯｘ還元用触媒
JP67584/1977 1977-06-08

Publications (1)

Publication Number Publication Date
CA1091899A true CA1091899A (fr) 1980-12-23

Family

ID=13349104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304,764A Expired CA1091899A (fr) 1977-06-08 1978-06-05 Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote

Country Status (7)

Country Link
JP (1) JPS5920383B2 (fr)
CA (1) CA1091899A (fr)
DE (1) DE2824246A1 (fr)
FR (1) FR2393602A1 (fr)
GB (1) GB1599079A (fr)
NL (1) NL7806130A (fr)
PL (1) PL207401A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5790159A (en) * 1980-11-27 1982-06-04 Toa Medical Electronics Co Ltd Blood analyzer
DE3634553A1 (de) * 1986-10-10 1988-04-21 Didier Werke Ag Verwendung von manganknollen oder manganhaltigen tiefsee-erzen in katalysatoren zur verminderung von stickstoffoxiden in abgasen
CA2112695A1 (fr) * 1991-07-29 1993-01-30 Freek Kapteijn Catalyseur et reduction catalytique
EP0596927B1 (fr) * 1991-07-29 1995-08-23 British Technology Group Ltd Catalyseur et reduction catalytique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253685B (de) * 1963-01-22 1967-11-09 Degussa Verfahren zur Entfernung von Stickstoffoxyden aus stickstoffoxydhaltigen Abgasen
BE789846A (fr) * 1971-10-08 1973-02-01 Du Pont Procede de purification de courants gazeux contenant des impuretes soufrees
US4003854A (en) * 1974-06-03 1977-01-18 Gennady Alexeevich Skvortsov Catalyst of supported vanadium oxide and manganese oxide and method of producing same

Also Published As

Publication number Publication date
PL207401A1 (pl) 1979-03-12
NL7806130A (nl) 1978-12-12
DE2824246A1 (de) 1978-12-14
JPS542289A (en) 1979-01-09
JPS5920383B2 (ja) 1984-05-12
FR2393602A1 (fr) 1979-01-05
GB1599079A (en) 1981-09-30

Similar Documents

Publication Publication Date Title
US4210628A (en) Removal of nitrogen oxides
US10661225B2 (en) Copper supported catalyst comprising a Ca-deficient hydroxyapatite for waste gas NOx removal
US5068217A (en) Carrier catalysts for oxidizing carbon monoxide and process for their production
JPH0424098B2 (fr)
US4062810A (en) Carrier-supported catalyst
US3914377A (en) Catalyst reactor for oxidizing carbon monoxide and hydrocarbons in gaseous stream
US3993731A (en) Selective removal of nitrogen oxides from waste gas
CA1091899A (fr) Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote
US3880982A (en) Process for removing nitrogen oxides from exhaust gases
WO1994021373A1 (fr) Catalyseur pour la decomposition de l'oxyde d'azote et procede de denitration utilisant ce catalyseur
US3867309A (en) Catalyst composition for removing noxious components from a gaseous stream
KR102067668B1 (ko) 질소산화물 환원용 촉매 및 이를 이용한 질소산화물 환원 시스템
US3981971A (en) Process for reducing nitrogen oxides
JP4512691B2 (ja) 一酸化炭素による窒素酸化物の選択的還元触媒およびその調製法
US4199555A (en) Catalyst for reducing nitrogen oxides
EP0262754A1 (fr) Catalyseurs de réduction selective
KR101251499B1 (ko) 질소 산화물 제거용 제올라이트 촉매, 이의 제조 방법 및 이를 이용한 질소 산화물 제거 방법
Nozaki et al. Low temperature activity of the copper oxide catalyst supported on activated carbon for reduction of nitric oxide with ammonia
US3923690A (en) Carrier-supported catalyst
US6077493A (en) Method for removing nitrogen oxides
CN108435237B (zh) 一种中低温nh3-scr催化剂及其制备方法与应用
SU421166A3 (fr)
CA1050522A (fr) Catalyseur a substrat porteur
CA1065123A (fr) Procede pour l'oxydation du monoxyde de carbone et d'hydrocarbures
JP2001129406A (ja) 低温脱硝触媒

Legal Events

Date Code Title Description
MKEX Expiry