GB890878A - Improvements in or relating to the purification of industrial effluents - Google Patents

Improvements in or relating to the purification of industrial effluents

Info

Publication number
GB890878A
GB890878A GB3450757A GB3450757A GB890878A GB 890878 A GB890878 A GB 890878A GB 3450757 A GB3450757 A GB 3450757A GB 3450757 A GB3450757 A GB 3450757A GB 890878 A GB890878 A GB 890878A
Authority
GB
United Kingdom
Prior art keywords
effluents
effluent
treatment
biological
iron
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
GB3450757A
Inventor
Edward Henry Michael Badger
Michael Ian Jackman
Percy William Graham
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.)
Gas Council
Original Assignee
Gas Council
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 Gas Council filed Critical Gas Council
Priority to GB3450757A priority Critical patent/GB890878A/en
Publication of GB890878A publication Critical patent/GB890878A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1231—Treatments of toxic sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

Industrial effluents containing polyhydric phenols, especially gasworks effluents, e.g. the effluent from ammonia stills, are treated with an iron or aluminium salt, e.g. ferric chloride, chlorinated copperas, aluminium sulphate or alum, or with ferrous sulphate (in which case the effluent is subsequently aerated to form the ferric salt in situ), or with a strong mineral acid, e.g. hydrochloric acid; before or after this treatment, the effluent is subjected to a biological purification process, e.g. described in Specification 885,834. In examples the amounts of thiocyanate and phenols in effluents and also their oxygen absorption values are compared when the treatment is applied to effluents before and after biological oxidation. Adjustment of pH to between 6 and 8 by addition of sodium hydroxide is necessary prior to biological oxidation. According to the Provisional Specification the treatment with an iron or aluminium salt or with a strong mineral acid need not be followed or preceded by a biological purification process.
GB3450757A 1957-11-05 1957-11-05 Improvements in or relating to the purification of industrial effluents Expired GB890878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3450757A GB890878A (en) 1957-11-05 1957-11-05 Improvements in or relating to the purification of industrial effluents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3450757A GB890878A (en) 1957-11-05 1957-11-05 Improvements in or relating to the purification of industrial effluents

Publications (1)

Publication Number Publication Date
GB890878A true GB890878A (en) 1962-03-07

Family

ID=10366508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3450757A Expired GB890878A (en) 1957-11-05 1957-11-05 Improvements in or relating to the purification of industrial effluents

Country Status (1)

Country Link
GB (1) GB890878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658516A1 (en) * 1993-12-16 1995-06-21 Haruo Kagawa Biodegradation process for treating organic waste water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658516A1 (en) * 1993-12-16 1995-06-21 Haruo Kagawa Biodegradation process for treating organic waste water

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