GB1123822A - Impregnated activated charcoal - Google Patents

Impregnated activated charcoal

Info

Publication number
GB1123822A
GB1123822A GB3592/68A GB359268A GB1123822A GB 1123822 A GB1123822 A GB 1123822A GB 3592/68 A GB3592/68 A GB 3592/68A GB 359268 A GB359268 A GB 359268A GB 1123822 A GB1123822 A GB 1123822A
Authority
GB
United Kingdom
Prior art keywords
activated charcoal
impregnated activated
triethylene
piperazine
evaporate
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
GB3592/68A
Inventor
Roland Taylor
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB3592/68A priority Critical patent/GB1123822A/en
Publication of GB1123822A publication Critical patent/GB1123822A/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
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/354—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

Coal based activated charcoal is soaked in an aqueous solution of piperazine or triethylene-diamine, and the water allowed to evaporate off, possibly with gentle heating at 100-120 DEG C.
GB3592/68A 1965-03-30 1965-03-30 Impregnated activated charcoal Expired GB1123822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3592/68A GB1123822A (en) 1965-03-30 1965-03-30 Impregnated activated charcoal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3592/68A GB1123822A (en) 1965-03-30 1965-03-30 Impregnated activated charcoal

Publications (1)

Publication Number Publication Date
GB1123822A true GB1123822A (en) 1968-08-14

Family

ID=9761253

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3592/68A Expired GB1123822A (en) 1965-03-30 1965-03-30 Impregnated activated charcoal

Country Status (1)

Country Link
GB (1) GB1123822A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531953A (en) * 1983-06-21 1985-07-30 Calgon Corporation Sublimation of amine compounds on activated carbon pore surfaces
US4802898A (en) * 1985-06-17 1989-02-07 Westvaco Corporation Method and apparatus for removing cyanogen chloride from air
US5145820A (en) * 1990-05-01 1992-09-08 Her Majesty The Queen In Right Of Canada, As Represented By Minister Of National Defence Of Her Majesty's Canadian Government Reduced pressure sublimation of amine compounds on activated carbons
US6344071B1 (en) 2000-05-22 2002-02-05 3M Innovative Properties Company Broad spectrum filter system for filtering contaminants from air or other gases
US6767860B2 (en) 2001-05-10 2004-07-27 3M Innovative Properties Company Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant
US10773235B2 (en) 2018-05-18 2020-09-15 Marmon Water (Singapore) Pte. Ltd. Modified activated carbon for adsorption of airborne formaldehyde and method for making the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531953A (en) * 1983-06-21 1985-07-30 Calgon Corporation Sublimation of amine compounds on activated carbon pore surfaces
US4802898A (en) * 1985-06-17 1989-02-07 Westvaco Corporation Method and apparatus for removing cyanogen chloride from air
EP0370141A1 (en) * 1985-06-17 1990-05-30 Westvaco Corporation Method and apparatus for removing cyanogen chloride from air
US5145820A (en) * 1990-05-01 1992-09-08 Her Majesty The Queen In Right Of Canada, As Represented By Minister Of National Defence Of Her Majesty's Canadian Government Reduced pressure sublimation of amine compounds on activated carbons
US6344071B1 (en) 2000-05-22 2002-02-05 3M Innovative Properties Company Broad spectrum filter system for filtering contaminants from air or other gases
US6767860B2 (en) 2001-05-10 2004-07-27 3M Innovative Properties Company Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant
US10773235B2 (en) 2018-05-18 2020-09-15 Marmon Water (Singapore) Pte. Ltd. Modified activated carbon for adsorption of airborne formaldehyde and method for making the same

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