JPS5343092A - Exhaust gas treatment catalyst - Google Patents

Exhaust gas treatment catalyst

Info

Publication number
JPS5343092A
JPS5343092A JP11742476A JP11742476A JPS5343092A JP S5343092 A JPS5343092 A JP S5343092A JP 11742476 A JP11742476 A JP 11742476A JP 11742476 A JP11742476 A JP 11742476A JP S5343092 A JPS5343092 A JP S5343092A
Authority
JP
Japan
Prior art keywords
exhaust gas
gas treatment
treatment catalyst
catalyst
pretreating
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.)
Granted
Application number
JP11742476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5516699B2 (en]
Inventor
Masumi Atsukawa
Korehiko Nishimoto
Shigeo Yokoyama
Toshikuni Sera
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP11742476A priority Critical patent/JPS5343092A/ja
Priority to US05/836,961 priority patent/US4186109A/en
Priority to BE181281A priority patent/BE859172A/fr
Priority to FR7729331A priority patent/FR2366058A1/fr
Priority to DE2744688A priority patent/DE2744688C2/de
Publication of JPS5343092A publication Critical patent/JPS5343092A/ja
Priority to US06/117,765 priority patent/US4282115A/en
Publication of JPS5516699B2 publication Critical patent/JPS5516699B2/ja
Granted legal-status Critical Current

Links

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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • 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
    • 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
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • 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
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • 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
    • B01D2255/20707—Titanium
    • 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
    • B01D2255/20723—Vanadium
    • 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
    • B01D2255/20738—Iron
    • 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
    • B01D2255/20761—Copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP11742476A 1976-09-30 1976-09-30 Exhaust gas treatment catalyst Granted JPS5343092A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP11742476A JPS5343092A (en) 1976-09-30 1976-09-30 Exhaust gas treatment catalyst
US05/836,961 US4186109A (en) 1976-09-30 1977-09-27 Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases
BE181281A BE859172A (fr) 1976-09-30 1977-09-29 Catalyseur pour la reduction selective de protoxydes d'azote a partir de gaz expulses contenant de l'oxygene
FR7729331A FR2366058A1 (fr) 1976-09-30 1977-09-29 Catalyseur pour la reduction selective d'oxydes d'azote provenant de gaz de combustion contenant de l'oxygene
DE2744688A DE2744688C2 (de) 1976-09-30 1977-09-30 Katalysator zur selektiven katalytischen Reduktion von Stickstoffoxiden
US06/117,765 US4282115A (en) 1976-09-30 1980-02-01 Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11742476A JPS5343092A (en) 1976-09-30 1976-09-30 Exhaust gas treatment catalyst

Publications (2)

Publication Number Publication Date
JPS5343092A true JPS5343092A (en) 1978-04-18
JPS5516699B2 JPS5516699B2 (en]) 1980-05-06

Family

ID=14711292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11742476A Granted JPS5343092A (en) 1976-09-30 1976-09-30 Exhaust gas treatment catalyst

Country Status (2)

Country Link
JP (1) JPS5343092A (en])
BE (1) BE859172A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107301U (en]) * 1989-02-16 1990-08-27

Also Published As

Publication number Publication date
BE859172A (fr) 1978-01-16
JPS5516699B2 (en]) 1980-05-06

Similar Documents

Publication Publication Date Title
JPS5390672A (en) Sluge incinerating method by controlling atmosphere and the system therefor
JPS5211105A (en) Denitration process for exhaust gases of iron ore pelletizing
JPS5343092A (en) Exhaust gas treatment catalyst
JPS5212670A (en) Process of reducing nitrogen oxides in exhaust combustion gases
JPS51129870A (en) An exhaust gas purification process
JPS51149190A (en) Lized asbestos with reducing power and process for its production
JPS51142736A (en) Boiler or industrial heating furnace equipped with a device to remove nox
JPS5367011A (en) Exhaust gas purifying train
JPS53118872A (en) Method of treating waste
JPS52155881A (en) Process and apparatus for incineration at high temperature
JPS5289560A (en) Removal of nitrogen oxides
JPS52107268A (en) Combustion apparatus
JPS5222133A (en) Nox controlend method in fuel furnace
JPS5229489A (en) Catalytic reduction catalyst suitable for making nox in exhaust gas no n- hazardous
JPS5223587A (en) Process for producing catalyst for refining gas
JPS52132444A (en) High frequency heating device
JPS5432507A (en) Production of purified coke oven gas
JPS5216472A (en) Nox reducing agent feeding process and waste gas treatment process
JPS5624492A (en) Conversion of mined coal to anthracitic coal by adding compound of quartzite and fluorite
JPS5242465A (en) Method of decomposing nox in waste gas
JPS51142479A (en) An exhaust gas purification process
JPS535873A (en) Process for incinerating sludge
JPS53105727A (en) Abatement of nox produced in combustion exhaust
JPS5252233A (en) Combustion method with reduced pollution
JPS541269A (en) Catalyst free exhaust denitration method and apparatus