IT1092202B - Processo per la produzione di catalizzatori di denitrificazione - Google Patents

Processo per la produzione di catalizzatori di denitrificazione

Info

Publication number
IT1092202B
IT1092202B IT51726/77A IT5172677A IT1092202B IT 1092202 B IT1092202 B IT 1092202B IT 51726/77 A IT51726/77 A IT 51726/77A IT 5172677 A IT5172677 A IT 5172677A IT 1092202 B IT1092202 B IT 1092202B
Authority
IT
Italy
Prior art keywords
production
denitrification catalysts
denitrification
catalysts
Prior art date
Application number
IT51726/77A
Other languages
English (en)
Original Assignee
Hitachi Shipbuilding Eng 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
Priority claimed from JP13486176A external-priority patent/JPS5358987A/ja
Priority claimed from JP13486076A external-priority patent/JPS5358986A/ja
Priority claimed from JP2416577A external-priority patent/JPS53108892A/ja
Application filed by Hitachi Shipbuilding Eng Co filed Critical Hitachi Shipbuilding Eng Co
Application granted granted Critical
Publication of IT1092202B publication Critical patent/IT1092202B/it

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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0207—Pretreatment of the support
    • 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
    • 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
    • B01D2255/20723—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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten

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)
IT51726/77A 1976-11-09 1977-11-08 Processo per la produzione di catalizzatori di denitrificazione IT1092202B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13486176A JPS5358987A (en) 1976-11-09 1976-11-09 Highly active denitration catalyst
JP13486076A JPS5358986A (en) 1976-11-09 1976-11-09 Highly active denitration catalyst
JP2416577A JPS53108892A (en) 1977-03-04 1977-03-04 Higly active denitration catalyst with excellent so3 resistance

Publications (1)

Publication Number Publication Date
IT1092202B true IT1092202B (it) 1985-07-06

Family

ID=27284538

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51726/77A IT1092202B (it) 1976-11-09 1977-11-08 Processo per la produzione di catalizzatori di denitrificazione

Country Status (6)

Country Link
US (1) US4206081A (it)
CA (1) CA1088504A (it)
FR (1) FR2369870A1 (it)
GB (1) GB1574069A (it)
IT (1) IT1092202B (it)
NL (1) NL171540C (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5926341B2 (ja) * 1978-07-06 1984-06-26 日立造船株式会社 多孔質被膜を有する脱硝触媒
CA1295813C (en) * 1988-12-14 1992-02-18 Karl T. Chuang Reduction of nitrogen oxides
EP1145762A1 (en) * 2000-04-11 2001-10-17 dmc2 Degussa Metals Catalysts Cerdec AG Process for the preparation of a vanadia SCR-catalyst supported on titania
US6482762B1 (en) * 2000-08-14 2002-11-19 Atlantic Richfield Company NOx conversion catalyst rejuvenation process
CN114632541A (zh) * 2021-12-10 2022-06-17 华北电力大学（保定） 一种石墨烯促进的低温联合脱硫脱硝催化剂及其制作工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712856A (en) * 1970-12-02 1973-01-23 E Betz Metallic catalyst and aluminum oxide containing supports from acid leached alloys
NL159020B (nl) * 1972-12-07 1979-01-15 Hitachi Shipbuilding Eng Co Werkwijze voor de vervaardiging van een voorwerp met een katalytisch oppervlak, en voorwerp, verkregen volgens deze werkwijze.
US4048112A (en) * 1973-09-10 1977-09-13 Mitsubishi Chemical Industries Ltd. Catalyst for selective reduction of nitrogen oxides
JPS524491A (en) * 1975-06-30 1977-01-13 Hitachi Zosen Corp Method of preparing catalyst for removing nox by selective catalytic r eduction with ammonia

Also Published As

Publication number Publication date
US4206081A (en) 1980-06-03
FR2369870B1 (it) 1982-12-03
DE2749901A1 (de) 1978-05-11
NL7712212A (nl) 1978-05-11
GB1574069A (en) 1980-09-03
NL171540C (nl) 1983-04-18
NL171540B (nl) 1982-11-16
FR2369870A1 (fr) 1978-06-02
CA1088504A (en) 1980-10-28

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