GB385455A - Improvements relating to the removal of free chlorine from chlorine-containing materials and to the production of chlorine-removing material therefor - Google Patents

Improvements relating to the removal of free chlorine from chlorine-containing materials and to the production of chlorine-removing material therefor

Info

Publication number
GB385455A
GB385455A GB2366/32A GB236632A GB385455A GB 385455 A GB385455 A GB 385455A GB 2366/32 A GB2366/32 A GB 2366/32A GB 236632 A GB236632 A GB 236632A GB 385455 A GB385455 A GB 385455A
Authority
GB
United Kingdom
Prior art keywords
chlorine
carbon
water
free
liquids
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
GB2366/32A
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of GB385455A publication Critical patent/GB385455A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00Halogens; Halogen acids
    • C01B7/01Chlorine; Hydrogen chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)

Abstract

Free chlorine is removed from materials containing it by subjecting the materials, preferably in the presence of water, to the action of carbon which has been activated with water vapour at a temperature of 800-1000 DEG C. The chlorine is converted into hydrochloric acid. The carbon should preferably be moulded to a suitable grain size before activation or may be reduced from irregularly-shaped charcoal into uniformly rounded pieces by mutual attrition in a grinding drum or the like. Water containing free chlorine may be rendered chlorine free by passage through a filter comprising a layer of the said carbon. Chlorine dissolved in organic liquids or gaseous chlorine contained in a mixture of gases can be removed by sending such liquids or mixtures of gases through filters comprising the carbon together with liquid water. These gases may also be passed up a series of scrubbers filled with the carbon down which water percolates. Solid substances may be similarly purified when in suspension in water.ALSO:Free chlorine is removed from liquids containing it by subjecting the liquids, preferably in the presence of water, to the action of carbon which has been activated with water vapour at a temperature of 800-1000 DEG C. The carbon should preferably be moulded to a suitable grain size before activation or may be reduced from irregularly shaped charcoal into uniformly rounded pieces by mutual attrition in a grinding drum or the like.
GB2366/32A 1931-01-26 1932-01-26 Improvements relating to the removal of free chlorine from chlorine-containing materials and to the production of chlorine-removing material therefor Expired GB385455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE385455X 1931-01-26

Publications (1)

Publication Number Publication Date
GB385455A true GB385455A (en) 1932-12-29

Family

ID=6370808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2366/32A Expired GB385455A (en) 1931-01-26 1932-01-26 Improvements relating to the removal of free chlorine from chlorine-containing materials and to the production of chlorine-removing material therefor

Country Status (1)

Country Link
GB (1) GB385455A (en)

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