GB1459871A - Method for the regeneration of spent activated carbon - Google Patents

Method for the regeneration of spent activated carbon

Info

Publication number
GB1459871A
GB1459871A GB993774A GB993774A GB1459871A GB 1459871 A GB1459871 A GB 1459871A GB 993774 A GB993774 A GB 993774A GB 993774 A GB993774 A GB 993774A GB 1459871 A GB1459871 A GB 1459871A
Authority
GB
United Kingdom
Prior art keywords
carbon
beads
activated carbon
steam
zone
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
GB993774A
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Priority to GB993774A priority Critical patent/GB1459871A/en
Publication of GB1459871A publication Critical patent/GB1459871A/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
    • C01B32/36—Reactivation or regeneration

Landscapes

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

Abstract

1459871 Reactivating carbon beads KUREHA KAGAKU KOGYO KK 5 March 1974 9937/74 Heading C1A [Also in Division B1] Spent activated carbon in the form of spherical beads, prepared from a pitch material having a softening point of 50-350‹ C., a carbon content of 80-97% by weight, a hydrogen/ carbon atomic ratio of 0À3-2À5 : 1 and a nitrobenzene-insoluble fraction of less than 60% by weight, is reactivated by drying and devolatilizing the beads as a fluidized bed in a first zone, and as a fluidized bed is a second zone with a high temperature, low free oxygen-content gas and quenching the reactivated carbon beads with water. The high temperature gas may be steam or a mixture of steam and a combustion gas.
GB993774A 1974-03-05 1974-03-05 Method for the regeneration of spent activated carbon Expired GB1459871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB993774A GB1459871A (en) 1974-03-05 1974-03-05 Method for the regeneration of spent activated carbon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB993774A GB1459871A (en) 1974-03-05 1974-03-05 Method for the regeneration of spent activated carbon

Publications (1)

Publication Number Publication Date
GB1459871A true GB1459871A (en) 1976-12-31

Family

ID=9881537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB993774A Expired GB1459871A (en) 1974-03-05 1974-03-05 Method for the regeneration of spent activated carbon

Country Status (1)

Country Link
GB (1) GB1459871A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761284A (en) * 1977-12-27 1988-08-02 Kureha Kagaku Kogy Kabushiki Kaisha Antidote including activated carbon particles
US5405812A (en) * 1990-08-17 1995-04-11 Steag Aktiengesellschaft Method and arrangement for purifying a carbon-containing adsorption medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761284A (en) * 1977-12-27 1988-08-02 Kureha Kagaku Kogy Kabushiki Kaisha Antidote including activated carbon particles
US5405812A (en) * 1990-08-17 1995-04-11 Steag Aktiengesellschaft Method and arrangement for purifying a carbon-containing adsorption medium

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Legal Events

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