GB139156A - Improvements in method of making decolorising carbon - Google Patents

Improvements in method of making decolorising carbon

Info

Publication number
GB139156A
GB139156A GB1846/20A GB184620A GB139156A GB 139156 A GB139156 A GB 139156A GB 1846/20 A GB1846/20 A GB 1846/20A GB 184620 A GB184620 A GB 184620A GB 139156 A GB139156 A GB 139156A
Authority
GB
United Kingdom
Prior art keywords
making
carbon
decolorising
decolorising carbon
corncobs
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
GB1846/20A
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.)
CLAUDE SILBERT HUDSON
Original Assignee
CLAUDE SILBERT HUDSON
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 CLAUDE SILBERT HUDSON filed Critical CLAUDE SILBERT HUDSON
Publication of GB139156A publication Critical patent/GB139156A/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
    • C01B32/312—Preparation
    • C01B32/342—Preparation characterised by non-gaseous activating agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Metaphosphoric acid is obtained in the preparation of decolorizing-carbon by heating together suitable organic material such as sawdust, corncobs or scrap leather, and phosphoric acid.
GB1846/20A 1919-02-15 1920-01-20 Improvements in method of making decolorising carbon Expired GB139156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US139156XA 1919-02-15 1919-02-15

Publications (1)

Publication Number Publication Date
GB139156A true GB139156A (en) 1921-04-20

Family

ID=21762472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1846/20A Expired GB139156A (en) 1919-02-15 1920-01-20 Improvements in method of making decolorising carbon

Country Status (1)

Country Link
GB (1) GB139156A (en)

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