GB1382984A - Treatment of gases - Google Patents

Treatment of gases

Info

Publication number
GB1382984A
GB1382984A GB1003471A GB1003471A GB1382984A GB 1382984 A GB1382984 A GB 1382984A GB 1003471 A GB1003471 A GB 1003471A GB 1003471 A GB1003471 A GB 1003471A GB 1382984 A GB1382984 A GB 1382984A
Authority
GB
United Kingdom
Prior art keywords
gases
catalyst
oxide
cobalt
fibre
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
GB1003471A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial 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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB1003471A priority Critical patent/GB1382984A/en
Priority to IT23368/72A priority patent/IT959599B/it
Priority to SE7205129A priority patent/SE377825B/xx
Priority to FR7213833A priority patent/FR2136529A5/fr
Priority to BE782422A priority patent/BE782422A/xx
Priority to DE19722219425 priority patent/DE2219425A1/de
Priority to NL7205319A priority patent/NL7205319A/xx
Priority to ZA722672A priority patent/ZA722672B/xx
Publication of GB1382984A publication Critical patent/GB1382984A/en
Expired 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • 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
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—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
    • B01D2255/20738—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
    • B01D2255/20746—Cobalt
    • 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
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9207—Specific surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1003471A 1971-04-20 1971-04-20 Treatment of gases Expired GB1382984A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB1003471A GB1382984A (en) 1971-04-20 1971-04-20 Treatment of gases
IT23368/72A IT959599B (it) 1971-04-20 1972-04-19 Metodo per il trattamento di gas e relativa apparecchiatura
SE7205129A SE377825B (https=) 1971-04-20 1972-04-19
FR7213833A FR2136529A5 (https=) 1971-04-20 1972-04-19
BE782422A BE782422A (fr) 1971-04-20 1972-04-20 Traitement de gaz
DE19722219425 DE2219425A1 (de) 1971-04-20 1972-04-20 Verfahren zur Verringerung der Menge von unerwünschten Bestandteilen in Gasen
NL7205319A NL7205319A (https=) 1971-04-20 1972-04-20
ZA722672A ZA722672B (en) 1971-04-20 1972-04-20 Treatment of gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1003471A GB1382984A (en) 1971-04-20 1971-04-20 Treatment of gases

Publications (1)

Publication Number Publication Date
GB1382984A true GB1382984A (en) 1975-02-05

Family

ID=9960245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1003471A Expired GB1382984A (en) 1971-04-20 1971-04-20 Treatment of gases

Country Status (8)

Country Link
BE (1) BE782422A (https=)
DE (1) DE2219425A1 (https=)
FR (1) FR2136529A5 (https=)
GB (1) GB1382984A (https=)
IT (1) IT959599B (https=)
NL (1) NL7205319A (https=)
SE (1) SE377825B (https=)
ZA (1) ZA722672B (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000046A (en) * 1977-07-01 1979-01-04 Johnson Matthey Co Ltd Catalytic Conversion of Exhaust Gas
WO2005021137A1 (en) * 2003-09-03 2005-03-10 Hte Aktiengeselschaft Catalyst for removing pollutants from exhaust gases from lean-burn engines, with ruthenium as active metal
EP1874440A4 (en) * 2005-03-03 2008-12-31 Conocophillips Co SORBENT FOR THE REMOVAL OF MERCURY
US11766662B2 (en) 2020-09-21 2023-09-26 Unifrax I Llc Homogeneous catalytic fiber coatings and methods of preparing same
US11987914B2 (en) 2018-04-04 2024-05-21 Unifrax I Llc Activated porous fibers and products including same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424061A1 (fr) * 1978-04-25 1979-11-23 Lyon Applic Catalytiques Nouvelle masse de contact pour catalyse heterogene
JPS56500693A (https=) * 1979-05-16 1981-05-21

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000046A (en) * 1977-07-01 1979-01-04 Johnson Matthey Co Ltd Catalytic Conversion of Exhaust Gas
GB2000046B (en) * 1977-07-01 1982-03-24 Johnson Matthey Co Ltd Improved catalyst
WO2005021137A1 (en) * 2003-09-03 2005-03-10 Hte Aktiengeselschaft Catalyst for removing pollutants from exhaust gases from lean-burn engines, with ruthenium as active metal
EP1874440A4 (en) * 2005-03-03 2008-12-31 Conocophillips Co SORBENT FOR THE REMOVAL OF MERCURY
US11987914B2 (en) 2018-04-04 2024-05-21 Unifrax I Llc Activated porous fibers and products including same
US11766662B2 (en) 2020-09-21 2023-09-26 Unifrax I Llc Homogeneous catalytic fiber coatings and methods of preparing same

Also Published As

Publication number Publication date
NL7205319A (https=) 1972-10-24
BE782422A (fr) 1972-10-20
ZA722672B (en) 1973-12-19
FR2136529A5 (https=) 1972-12-22
DE2219425A1 (de) 1972-12-21
IT959599B (it) 1973-11-10
SE377825B (https=) 1975-07-28

Similar Documents

Publication Publication Date Title
Barbier Jr et al. Steam effects in three-way catalysis
US5232890A (en) Precious metal catalysts with oxygen-ion conducting support
US3885020A (en) Method of oxidizing hydrocarbons and oxygenated hydrocarbons to carbon dioxide and water
EP0762926B1 (en) Process for preparing alloyed metal catalysts for the reduction of nox in the exhaust gases from internal combustion engines containing excess oxygen
US3993572A (en) Rare earth containing catalyst composition
US4053556A (en) Catalysis
CA1252607A (en) Method of simultaneous oxidation of carbon monoxide and unburned fuel in methanol vehicle exhaust
US4124695A (en) Process for the oxidation of sulfur dioxide to sulfur trioxide
US4025606A (en) Catalysis
US4078044A (en) Process for the catalytic oxidation of ammonia and methane to hydrogen cyanide
KR850002041A (ko) 내열성 촉매 및 그 사용방법
US4171289A (en) Selective automotive exhaust catalysts and a process for their preparation
US5677254A (en) Catalyst for purifying an exhaust gas
GB1382984A (en) Treatment of gases
JPS5814255B2 (ja) シヨクバイソセイブツノセイゾウホウホウ
JPH06504940A (ja) ベース金属酸化物助成ロジウム含有触媒組成物
US3976599A (en) Oxidation catalyst
US4016241A (en) Process for reducing nitrogen oxides from flue gas
EP0781592A1 (en) Exhaust gas purification method by reduction of nitrogen oxides
Wang et al. Highly levels of atomically dispersed Ru atom on CeO2 from defects designing for promoted catalytic oxidation of chlorobenzene
GB1381370A (en) Process for removing nitrogen oxides from exhaust gases
US3801697A (en) Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
US3816594A (en) Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
US4064073A (en) Catalyst for the purification of the exhaust gases of internal combustion engines
JP3129373B2 (ja) 排気ガス浄化用触媒

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee