FR2446253A1 - Procede de reduction des oxydes d'azote par l'ammoniac en presence de clinoptilotite - Google Patents

Procede de reduction des oxydes d'azote par l'ammoniac en presence de clinoptilotite

Info

Publication number
FR2446253A1
FR2446253A1 FR8000295A FR8000295A FR2446253A1 FR 2446253 A1 FR2446253 A1 FR 2446253A1 FR 8000295 A FR8000295 A FR 8000295A FR 8000295 A FR8000295 A FR 8000295A FR 2446253 A1 FR2446253 A1 FR 2446253A1
Authority
FR
France
Prior art keywords
reduction
clinoptilotitis
ammonia
gas mixture
nitrogen oxides
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
FR8000295A
Other languages
English (en)
French (fr)
Other versions
FR2446253B1 (enrdf_load_stackoverflow
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton 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
Application filed by Norton Co filed Critical Norton Co
Publication of FR2446253A1 publication Critical patent/FR2446253A1/fr
Application granted granted Critical
Publication of FR2446253B1 publication Critical patent/FR2446253B1/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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • 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
    • B01D53/8628—Processes characterised by a specific catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural 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)
FR8000295A 1979-01-12 1980-01-08 Procede de reduction des oxydes d'azote par l'ammoniac en presence de clinoptilotite Granted FR2446253A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US297779A 1979-01-12 1979-01-12

Publications (2)

Publication Number Publication Date
FR2446253A1 true FR2446253A1 (fr) 1980-08-08
FR2446253B1 FR2446253B1 (enrdf_load_stackoverflow) 1983-11-25

Family

ID=21703472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000295A Granted FR2446253A1 (fr) 1979-01-12 1980-01-08 Procede de reduction des oxydes d'azote par l'ammoniac en presence de clinoptilotite

Country Status (7)

Country Link
JP (1) JPS55119425A (enrdf_load_stackoverflow)
BE (1) BE881077A (enrdf_load_stackoverflow)
DE (1) DE3000383C2 (enrdf_load_stackoverflow)
FR (1) FR2446253A1 (enrdf_load_stackoverflow)
GB (1) GB2039863B (enrdf_load_stackoverflow)
LU (1) LU82074A1 (enrdf_load_stackoverflow)
NL (1) NL190437C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002659A1 (en) * 1986-10-16 1988-04-21 Steuler-Industriewerke Gmbh Catalyst for removing nitric oxides from exhaust gases
EP0219854A3 (en) * 1985-10-22 1988-11-02 Norton Company Catalyst for reduction of nitrogen oxides
EP0234441A3 (en) * 1986-02-18 1988-11-09 Norton Company Catalyst for reduction of oxides of nitrogen

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3328653A1 (de) * 1983-08-09 1985-02-28 Steuler Industriewerke GmbH, 5410 Höhr-Grenzhausen Vorrichtung zur durchfuehrung eines verfahrens zur ausscheidung von stickoxyden aus abgasen
GB2162830B (en) * 1984-08-10 1988-08-10 Babcock Hitachi Kk Ammonia reduction-denitration process and apparatus therefor
US4867954A (en) * 1988-04-07 1989-09-19 Uop Catalytic reduction of nitrogen oxides
US4874590A (en) * 1988-04-07 1989-10-17 Uop Catalytic reduction of nitrogen oxides
JPH0755285B2 (ja) * 1988-11-29 1995-06-14 財団法人産業創造研究所 廃煙中の窒素酸化物除去法
KR100385715B1 (ko) * 2001-02-05 2003-05-27 코오롱건설주식회사 클리놉틸로라이트를 이용하는 질소산화물 제거용 촉매
DE102005010221A1 (de) * 2005-03-05 2006-09-07 S&B Industrial Minerals Gmbh Verfahren zum Herstellen eines katalytisch wirkenden Minerals auf Basis eines Gerüstsilikates

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1393053A (en) * 1972-08-30 1975-05-07 Atomic Energy Commission Catalytic reduction of nitrogen oxides
FR2315307A1 (fr) * 1975-06-23 1977-01-21 Norton Co Agent sorbant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895094A (en) * 1974-01-28 1975-07-15 Gulf Oil Corp Process for selective reduction of oxides of nitrogen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1393053A (en) * 1972-08-30 1975-05-07 Atomic Energy Commission Catalytic reduction of nitrogen oxides
FR2315307A1 (fr) * 1975-06-23 1977-01-21 Norton Co Agent sorbant
US4059543A (en) * 1975-06-23 1977-11-22 Norton Company Clinoptilolite sorbent

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0219854A3 (en) * 1985-10-22 1988-11-02 Norton Company Catalyst for reduction of nitrogen oxides
EP0234441A3 (en) * 1986-02-18 1988-11-09 Norton Company Catalyst for reduction of oxides of nitrogen
WO1988002659A1 (en) * 1986-10-16 1988-04-21 Steuler-Industriewerke Gmbh Catalyst for removing nitric oxides from exhaust gases

Also Published As

Publication number Publication date
NL8000179A (nl) 1980-07-15
BE881077A (fr) 1980-07-10
LU82074A1 (fr) 1980-08-08
DE3000383A1 (de) 1980-07-31
JPS6114847B2 (enrdf_load_stackoverflow) 1986-04-21
JPS55119425A (en) 1980-09-13
DE3000383C2 (de) 1987-02-12
NL190437B (nl) 1993-10-01
GB2039863A (en) 1980-08-20
FR2446253B1 (enrdf_load_stackoverflow) 1983-11-25
NL190437C (nl) 1994-03-01
GB2039863B (en) 1982-11-24

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