GB2039863B - Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite - Google Patents

Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite

Info

Publication number
GB2039863B
GB2039863B GB7944641A GB7944641A GB2039863B GB 2039863 B GB2039863 B GB 2039863B GB 7944641 A GB7944641 A GB 7944641A GB 7944641 A GB7944641 A GB 7944641A GB 2039863 B GB2039863 B GB 2039863B
Authority
GB
United Kingdom
Prior art keywords
clinoptilolite
ammonia
oxides
nitrogen
catalytic reduction
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
GB7944641A
Other languages
English (en)
Other versions
GB2039863A (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.)
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 GB2039863A publication Critical patent/GB2039863A/en
Application granted granted Critical
Publication of GB2039863B publication Critical patent/GB2039863B/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
    • 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)
GB7944641A 1979-01-12 1979-12-31 Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite Expired GB2039863B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2039863A GB2039863A (en) 1980-08-20
GB2039863B true GB2039863B (en) 1982-11-24

Family

ID=21703472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7944641A Expired GB2039863B (en) 1979-01-12 1979-12-31 Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite

Country Status (7)

Country Link
JP (1) JPS55119425A (US06262066-20010717-C00315.png)
BE (1) BE881077A (US06262066-20010717-C00315.png)
DE (1) DE3000383C2 (US06262066-20010717-C00315.png)
FR (1) FR2446253A1 (US06262066-20010717-C00315.png)
GB (1) GB2039863B (US06262066-20010717-C00315.png)
LU (1) LU82074A1 (US06262066-20010717-C00315.png)
NL (1) NL190437C (US06262066-20010717-C00315.png)

Families Citing this family (10)

* 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
ZA867939B (en) * 1985-10-22 1987-06-24 Norton Co Catalyst for reduction of nitrogen oxides
US4735930A (en) * 1986-02-18 1988-04-05 Norton Company Catalyst for the reduction of oxides of nitrogen
DE3635284A1 (de) * 1986-10-16 1988-04-28 Steuler Industriewerke Gmbh Katalysator zur entfernung von stickoxiden aus abgasen
US4874590A (en) * 1988-04-07 1989-10-17 Uop Catalytic reduction of nitrogen oxides
US4867954A (en) * 1988-04-07 1989-09-19 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

Family Cites Families (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
US3895094A (en) * 1974-01-28 1975-07-15 Gulf Oil Corp Process for selective reduction of oxides of nitrogen
US4059543A (en) * 1975-06-23 1977-11-22 Norton Company Clinoptilolite sorbent

Also Published As

Publication number Publication date
FR2446253A1 (fr) 1980-08-08
LU82074A1 (fr) 1980-08-08
NL190437C (nl) 1994-03-01
FR2446253B1 (US06262066-20010717-C00315.png) 1983-11-25
DE3000383A1 (de) 1980-07-31
NL8000179A (nl) 1980-07-15
BE881077A (fr) 1980-07-10
NL190437B (nl) 1993-10-01
JPS55119425A (en) 1980-09-13
JPS6114847B2 (US06262066-20010717-C00315.png) 1986-04-21
DE3000383C2 (de) 1987-02-12
GB2039863A (en) 1980-08-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee
PE20 Patent expired after termination of 20 years

Effective date: 19991230