GB1305508A - - Google Patents

Info

Publication number
GB1305508A
GB1305508A GB1524171A GB1524171A GB1305508A GB 1305508 A GB1305508 A GB 1305508A GB 1524171 A GB1524171 A GB 1524171A GB 1524171 A GB1524171 A GB 1524171A GB 1305508 A GB1305508 A GB 1305508A
Authority
GB
United Kingdom
Prior art keywords
drying
gases
zeolite
heading
treated
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
GB1524171A
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 filed Critical
Publication of GB1305508A publication Critical patent/GB1305508A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • C01B33/28—Base exchange silicates, e.g. zeolites
    • C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

1305508 Drying gases UNION CARBIDE CORP 17 May 1971 [18 May 1970] 15241/71 Heading B1L Gases containing NO 2 or precursors therefor are treated for its (their) removal by first drying with silica gel and subsequently absorbing the NO 2 in a zeolite.
GB1524171A 1970-05-18 1971-05-17 Expired GB1305508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3814270A 1970-05-18 1970-05-18

Publications (1)

Publication Number Publication Date
GB1305508A true GB1305508A (en) 1973-02-07

Family

ID=21898296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1524171A Expired GB1305508A (en) 1970-05-18 1971-05-17

Country Status (9)

Country Link
AT (1) AT307453B (en)
BE (1) BE767291A (en)
CA (1) CA952691A (en)
DE (1) DE2123704A1 (en)
ES (1) ES391260A1 (en)
FR (1) FR2091685A5 (en)
GB (1) GB1305508A (en)
NL (1) NL7106745A (en)
SE (1) SE371179B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210062A (en) * 1987-09-19 1989-06-01 Stc Plc Chemical vapour deposition apparatus incorporating demountable filter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918505C2 (en) * 1979-05-08 1984-04-26 Budapesti Müszaki Egyetem, 1111 Budapest Process for reducing the nitrogen oxide content in exhaust gases from nitric acid plants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210062A (en) * 1987-09-19 1989-06-01 Stc Plc Chemical vapour deposition apparatus incorporating demountable filter

Also Published As

Publication number Publication date
FR2091685A5 (en) 1972-01-14
ES391260A1 (en) 1973-07-01
NL7106745A (en) 1971-11-22
BE767291A (en) 1971-11-17
DE2123704A1 (en) 1971-12-09
SE371179B (en) 1974-11-11
AT307453B (en) 1973-05-25
CA952691A (en) 1974-08-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee