AT306654B - Process for removing cyan from waste water using formaldehyde - Google Patents

Process for removing cyan from waste water using formaldehyde

Info

Publication number
AT306654B
AT306654B AT346671A AT346671A AT306654B AT 306654 B AT306654 B AT 306654B AT 346671 A AT346671 A AT 346671A AT 346671 A AT346671 A AT 346671A AT 306654 B AT306654 B AT 306654B
Authority
AT
Austria
Prior art keywords
formaldehyde
waste water
removing cyan
cyan
waste
Prior art date
Application number
AT346671A
Other languages
German (de)
Original Assignee
Nikex Nehezipari Kulkere
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 Nikex Nehezipari Kulkere filed Critical Nikex Nehezipari Kulkere
Application granted granted Critical
Publication of AT306654B publication Critical patent/AT306654B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Textile Engineering (AREA)
  • Removal Of Specific Substances (AREA)
AT346671A 1970-04-22 1971-04-22 Process for removing cyan from waste water using formaldehyde AT306654B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBU000533 1970-04-22

Publications (1)

Publication Number Publication Date
AT306654B true AT306654B (en) 1973-04-25

Family

ID=10993838

Family Applications (1)

Application Number Title Priority Date Filing Date
AT346671A AT306654B (en) 1970-04-22 1971-04-22 Process for removing cyan from waste water using formaldehyde

Country Status (3)

Country Link
AT (1) AT306654B (en)
CH (1) CH569673A5 (en)
GB (1) GB1347025A (en)

Also Published As

Publication number Publication date
GB1347025A (en) 1974-02-13
CH569673A5 (en) 1975-11-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee