FR2175929A1 - - Google Patents

Info

Publication number
FR2175929A1
FR2175929A1 FR7308738A FR7308738A FR2175929A1 FR 2175929 A1 FR2175929 A1 FR 2175929A1 FR 7308738 A FR7308738 A FR 7308738A FR 7308738 A FR7308738 A FR 7308738A FR 2175929 A1 FR2175929 A1 FR 2175929A1
Authority
FR
France
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.)
Granted
Application number
FR7308738A
Other languages
French (fr)
Other versions
FR2175929B1 (en
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.)
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas Co Ltd
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 Tokyo Gas Co Ltd filed Critical Tokyo Gas Co Ltd
Publication of FR2175929A1 publication Critical patent/FR2175929A1/fr
Application granted granted Critical
Publication of FR2175929B1 publication Critical patent/FR2175929B1/fr
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
    • C02F3/1231—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)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
FR7308738A 1972-03-13 1973-03-12 Expired FR2175929B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2538472A JPS4894255A (en) 1972-03-13 1972-03-13

Publications (2)

Publication Number Publication Date
FR2175929A1 true FR2175929A1 (en) 1973-10-26
FR2175929B1 FR2175929B1 (en) 1978-03-10

Family

ID=12164356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308738A Expired FR2175929B1 (en) 1972-03-13 1973-03-12

Country Status (4)

Country Link
JP (1) JPS4894255A (en)
DE (1) DE2312173A1 (en)
FR (1) FR2175929B1 (en)
GB (1) GB1429264A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631156B2 (en) * 1973-09-25 1981-07-20
DE2829142C3 (en) * 1978-07-03 1981-12-24 Boehringer Mannheim Gmbh, 6800 Mannheim Improvement of the degradation of wastewater contaminated with toxic substances
GB2259699B (en) * 1991-09-21 1994-04-06 Osc Process Engineering Limite Process and plant for the treatment of high-strength ammoniacal liquors

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847640A (en) * 1957-07-31 1960-09-14 Carves Simon Ltd Improvements relating to the treatment of industrial effluents

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847640A (en) * 1957-07-31 1960-09-14 Carves Simon Ltd Improvements relating to the treatment of industrial effluents

Also Published As

Publication number Publication date
FR2175929B1 (en) 1978-03-10
JPS4894255A (en) 1973-12-05
DE2312173A1 (en) 1973-09-20
GB1429264A (en) 1976-03-24

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