GB1445239A - Method of decomposing ammonia - Google Patents

Method of decomposing ammonia

Info

Publication number
GB1445239A
GB1445239A GB3847474A GB3847474A GB1445239A GB 1445239 A GB1445239 A GB 1445239A GB 3847474 A GB3847474 A GB 3847474A GB 3847474 A GB3847474 A GB 3847474A GB 1445239 A GB1445239 A GB 1445239A
Authority
GB
United Kingdom
Prior art keywords
ammonia
catalyst
gas
ruthenium
gas mixture
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
GB3847474A
Other languages
English (en)
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 Chemical Corp
Original Assignee
Mitsubishi Chemical 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
Priority claimed from JP48102934A external-priority patent/JPS5220031B2/ja
Priority claimed from JP10293373A external-priority patent/JPS538320B2/ja
Application filed by Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Publication of GB1445239A publication Critical patent/GB1445239A/en
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
    • B01D53/8634—Ammonia
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/462—Ruthenium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/02—Preparation of nitrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB3847474A 1973-09-12 1974-09-03 Method of decomposing ammonia Expired GB1445239A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48102934A JPS5220031B2 (enExample) 1973-09-12 1973-09-12
JP10293373A JPS538320B2 (enExample) 1973-09-12 1973-09-12

Publications (1)

Publication Number Publication Date
GB1445239A true GB1445239A (en) 1976-08-04

Family

ID=26443618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3847474A Expired GB1445239A (en) 1973-09-12 1974-09-03 Method of decomposing ammonia

Country Status (4)

Country Link
DE (1) DE2443713A1 (enExample)
FR (1) FR2243014B3 (enExample)
GB (1) GB1445239A (enExample)
NL (1) NL7411915A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343178A (en) * 1998-10-30 2000-05-03 Univ Reading Catalytic conversion of ammonia to nitrogen
EP2100658A1 (en) * 1998-09-25 2009-09-16 Mitsubishi Heavy Industries, Ltd. Method of denitrating exhaust gas
US7597865B2 (en) 2004-02-27 2009-10-06 Tokyo Roki Co., Ltd Nitrogen oxide removal catalyst system and nitrogen oxide removal method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617089C2 (de) * 1976-04-17 1984-03-29 Caloric Gesellschaft für Apparatebau mbH, 8032 Gräfelfing Verfahren zur katalytischen Spaltung von Ammoniak
US4438082A (en) * 1982-09-30 1984-03-20 Engelhard Corporation Platinum gold catalyst for removing NOx and NH3 from gas streams
JPH01119341A (ja) * 1987-10-30 1989-05-11 Nkk Corp アンモニア分解用触媒

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2100658A1 (en) * 1998-09-25 2009-09-16 Mitsubishi Heavy Industries, Ltd. Method of denitrating exhaust gas
GB2343178A (en) * 1998-10-30 2000-05-03 Univ Reading Catalytic conversion of ammonia to nitrogen
GB2343178B (en) * 1998-10-30 2002-07-24 Univ Reading Catalytic conversion of ammonia
US7597865B2 (en) 2004-02-27 2009-10-06 Tokyo Roki Co., Ltd Nitrogen oxide removal catalyst system and nitrogen oxide removal method
CN100553748C (zh) * 2004-02-27 2009-10-28 东京滤器株式会社 氧化氮去除催化剂体系和氧化氮去除方法
EP2305367A1 (en) * 2004-02-27 2011-04-06 Tokyo Roki Co. Ltd. Catalyst system for removing nitrogen oxide and method for removing nitrogen oxide

Also Published As

Publication number Publication date
NL7411915A (nl) 1975-03-14
FR2243014B3 (enExample) 1977-06-17
FR2243014A1 (enExample) 1975-04-04
DE2443713A1 (de) 1975-03-13

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed