FR2365371A1 - Packing arrangement for parallel tubes of catalyst - the tubes being spaced by fins to give large surface without clogging - Google Patents

Packing arrangement for parallel tubes of catalyst - the tubes being spaced by fins to give large surface without clogging

Info

Publication number
FR2365371A1
FR2365371A1 FR7729208A FR7729208A FR2365371A1 FR 2365371 A1 FR2365371 A1 FR 2365371A1 FR 7729208 A FR7729208 A FR 7729208A FR 7729208 A FR7729208 A FR 7729208A FR 2365371 A1 FR2365371 A1 FR 2365371A1
Authority
FR
France
Prior art keywords
tubes
clogging
fins
catalyst
spaced
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
FR7729208A
Other languages
French (fr)
Other versions
FR2365371B1 (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.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding Co 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 JP51116160A external-priority patent/JPS592535B2/en
Priority claimed from JP11615976A external-priority patent/JPS5340689A/en
Application filed by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Publication of FR2365371A1 publication Critical patent/FR2365371A1/en
Application granted granted Critical
Publication of FR2365371B1 publication Critical patent/FR2365371B1/fr
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
    • 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
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01D53/8631—Processes characterised by a specific device
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

In packing tubular catalysts, all with their tube axes in the direction of the gas flow and arranged in a specific pattern across the cross-section of the flow, the catalysts are packed at a density less than that which would result if the external faces of the tubes were in direct mutual contact. Used for any solid catalyst arrangement, but in particular for exhaust gas purification systems for converting nitrous oxides. Cf. previous arrangements where relatively small, elongated grains are used, the arrangement of tubes spaced apart does not suffer from the corresp. risk of clogging due to dirt and particles of soot. Nevertheless, a large area is presented to the gas flow.
FR7729208A 1976-09-28 1977-09-28 Packing arrangement for parallel tubes of catalyst - the tubes being spaced by fins to give large surface without clogging Granted FR2365371A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51116160A JPS592535B2 (en) 1976-09-28 1976-09-28 Solid catalyst arrangement method
JP11615976A JPS5340689A (en) 1976-09-28 1976-09-28 Arranging method for solid catalyst

Publications (2)

Publication Number Publication Date
FR2365371A1 true FR2365371A1 (en) 1978-04-21
FR2365371B1 FR2365371B1 (en) 1981-12-24

Family

ID=26454533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7729208A Granted FR2365371A1 (en) 1976-09-28 1977-09-28 Packing arrangement for parallel tubes of catalyst - the tubes being spaced by fins to give large surface without clogging

Country Status (2)

Country Link
DE (1) DE2743703A1 (en)
FR (1) FR2365371A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185928A (en) * 1937-09-01 1940-01-02 Socony Vacuum Oil Co Inc Apparatus for catalytic conversions and other contact mass operations
US2329658A (en) * 1937-09-01 1943-09-14 Socony Vacuum Oil Co Inc Method of converting petroleum and like oils
FR1377391A (en) * 1963-09-04 1964-11-06 Cie Des Meules Norton Porous body formed from elements welded together
US3922412A (en) * 1971-05-18 1975-11-25 Nippon Toki Kk Thin-walled carbonaceous honeycomb structures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR699438A (en) * 1929-10-21 1931-02-14 Rech S Soc Nat De Device for carrying out exothermic reactions between gases in contact with a solid catalyst
US3870476A (en) * 1970-11-11 1975-03-11 Marsch Hans Dieter Device for performing catalytic endothermic reactions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185928A (en) * 1937-09-01 1940-01-02 Socony Vacuum Oil Co Inc Apparatus for catalytic conversions and other contact mass operations
US2329658A (en) * 1937-09-01 1943-09-14 Socony Vacuum Oil Co Inc Method of converting petroleum and like oils
FR1377391A (en) * 1963-09-04 1964-11-06 Cie Des Meules Norton Porous body formed from elements welded together
US3922412A (en) * 1971-05-18 1975-11-25 Nippon Toki Kk Thin-walled carbonaceous honeycomb structures

Also Published As

Publication number Publication date
DE2743703A1 (en) 1978-04-13
FR2365371B1 (en) 1981-12-24
DE2743703C2 (en) 1988-04-21

Similar Documents

Publication Publication Date Title
GB1387017A (en) Apparatus suitable for oxidizing pollutants in the exhaust gas of an internal combustion engine
US3948810A (en) Monolithic catalyst support member
GB1328454A (en) Catalytic exhaust gas convertors
GB1311262A (en) Catalytic exhaust purifier
GB1283656A (en) System for effecting contact between fluid reactants and finely divided solid catalyst particles
FR2365371A1 (en) Packing arrangement for parallel tubes of catalyst - the tubes being spaced by fins to give large surface without clogging
GB1446553A (en) Mufflers
JPS6318123A (en) Catalytic converter
JPS5339252A (en) Moving bed type catalytic reaction vessel
JPS5426978A (en) Catalyst and catalytic reactor
JPS59120710A (en) Exhaust gas purifying heat exchanger
GB1180404A (en) Catalytic Purification of Exhaust Gases from Internal Combustion Engines
JPS5268853A (en) Fixed bed type catalytic reactor
JP2600192B2 (en) Exhaust gas purification converter
JPS52105567A (en) Denitration reactor of exhaust gas
JPS57107230A (en) Dry type simultaneous desulfurization and denitration process
JPS52145368A (en) Controll of amount of smoke dust contained in exhaust gas from moving bed reactor
JPS52105568A (en) Denitration reactor of exhaust gas
JPS5298674A (en) Denitration apparatus for exhasut gas
JPS5658534A (en) Catalyst reacting tower
JPS5289558A (en) Fixed bed catalytic reactor
JPS5452213A (en) Method of purifying exhaust gas of rotary piston engine
JPS5361557A (en) Catalytic reactor for denitration
RU2036532C1 (en) Impurities absorber for thermionic conversion reactor
JPS5322157A (en) Denitrating apparatus for exhaust gas

Legal Events

Date Code Title Description
ST Notification of lapse