FR2211278A1 - Nitric oxide adsorption from gas on active carbon - after adding oxygen for efficiency without oxidn or redn, using simple apps - Google Patents

Nitric oxide adsorption from gas on active carbon - after adding oxygen for efficiency without oxidn or redn, using simple apps

Info

Publication number
FR2211278A1
FR2211278A1 FR7346053A FR7346053A FR2211278A1 FR 2211278 A1 FR2211278 A1 FR 2211278A1 FR 7346053 A FR7346053 A FR 7346053A FR 7346053 A FR7346053 A FR 7346053A FR 2211278 A1 FR2211278 A1 FR 2211278A1
Authority
FR
France
Prior art keywords
gas
redn
oxidn
efficiency
active carbon
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
FR7346053A
Other languages
French (fr)
Other versions
FR2211278B1 (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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of FR2211278A1 publication Critical patent/FR2211278A1/en
Application granted granted Critical
Publication of FR2211278B1 publication Critical patent/FR2211278B1/fr
Granted 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides

Abstract

NO is removed from gas by adding 5-21, esp. 12-21 vol.% O2 contacting the mixt. with active C at 0-70 degrees, esp. 30-50 degrees C, to adsorb the NO. The method is suitable for removing NO from waste gases from etching in HNO3 plants burners IC engines.
FR7346053A 1972-12-26 1973-12-21 Nitric oxide adsorption from gas on active carbon - after adding oxygen for efficiency without oxidn or redn, using simple apps Granted FR2211278A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48001769A JPS4988780A (en) 1972-12-26 1972-12-26

Publications (2)

Publication Number Publication Date
FR2211278A1 true FR2211278A1 (en) 1974-07-19
FR2211278B1 FR2211278B1 (en) 1976-10-08

Family

ID=11510771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7346053A Granted FR2211278A1 (en) 1972-12-26 1973-12-21 Nitric oxide adsorption from gas on active carbon - after adding oxygen for efficiency without oxidn or redn, using simple apps

Country Status (3)

Country Link
JP (1) JPS4988780A (en)
DE (1) DE2364477A1 (en)
FR (1) FR2211278A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458306A1 (en) * 1979-06-13 1981-01-02 Azote Cie PROCESS AND INSTALLATION FOR RECOVERING NITROGEN GAS NITROGEN OXIDES
FR2948579A1 (en) * 2009-07-31 2011-02-04 Cdem Ct Depollution Environnement Moteurs Method for treating e.g. exhaust gas, of heat engine, involves simultaneously contacting gas containing sulfur oxide, nitrogen oxide and/or particles with carbon and water based solid adsorbent

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036531A1 (en) * 1980-09-27 1982-05-27 Bergwerksverband Gmbh, 4300 Essen Standardised moulded coke, prepd. from a range of oxidised coals - for absorption of nitrogen and sulphur oxide(s) from waste gases

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1502724A (en) * 1966-07-21 1967-11-24 Rech S Tech Et Ind S R T I S A Process for the recovery of nitrogen oxides in industrial gases

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1502724A (en) * 1966-07-21 1967-11-24 Rech S Tech Et Ind S R T I S A Process for the recovery of nitrogen oxides in industrial gases

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458306A1 (en) * 1979-06-13 1981-01-02 Azote Cie PROCESS AND INSTALLATION FOR RECOVERING NITROGEN GAS NITROGEN OXIDES
EP0021954A1 (en) * 1979-06-13 1981-01-07 Société dite: Compagnie Française de l'Azote COFAZ Process and apparatus for continuous elimination of nitrogen oxides from nitrous gases
US4521390A (en) * 1979-06-13 1985-06-04 Compagnie Francaise De L'azote Cofaz Continuous process and equipment for the recovery of nitrogen oxides from nitrous gases
FR2948579A1 (en) * 2009-07-31 2011-02-04 Cdem Ct Depollution Environnement Moteurs Method for treating e.g. exhaust gas, of heat engine, involves simultaneously contacting gas containing sulfur oxide, nitrogen oxide and/or particles with carbon and water based solid adsorbent

Also Published As

Publication number Publication date
DE2364477A1 (en) 1974-07-11
JPS4988780A (en) 1974-08-24
FR2211278B1 (en) 1976-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse