FR2168558B1 - - Google Patents

Info

Publication number
FR2168558B1
FR2168558B1 FR7301959A FR7301959A FR2168558B1 FR 2168558 B1 FR2168558 B1 FR 2168558B1 FR 7301959 A FR7301959 A FR 7301959A FR 7301959 A FR7301959 A FR 7301959A FR 2168558 B1 FR2168558 B1 FR 2168558B1
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.)
Expired
Application number
FR7301959A
Other languages
French (fr)
Other versions
FR2168558A1 (it
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of FR2168558A1 publication Critical patent/FR2168558A1/fr
Application granted granted Critical
Publication of FR2168558B1 publication Critical patent/FR2168558B1/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
    • C02F3/121—Multistep treatment
    • 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
    • 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
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR7301959A 1972-01-20 1973-01-19 Expired FR2168558B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB285272A GB1424801A (en) 1972-01-20 1972-01-20 Process and system for treating waste water

Publications (2)

Publication Number Publication Date
FR2168558A1 FR2168558A1 (it) 1973-08-31
FR2168558B1 true FR2168558B1 (it) 1979-01-26

Family

ID=9747184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301959A Expired FR2168558B1 (it) 1972-01-20 1973-01-19

Country Status (7)

Country Link
BE (1) BE794121A (it)
DE (1) DE2301395A1 (it)
FR (1) FR2168558B1 (it)
GB (1) GB1424801A (it)
IT (1) IT1013023B (it)
NL (1) NL7300822A (it)
ZA (1) ZA73389B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136755A (en) * 1978-04-15 1979-10-24 Osaka Gas Co Ltd Active sludge disposal process for waste water
DE3131989A1 (de) * 1981-08-13 1983-02-24 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zur biologischen reinigung von abwasser
DK1445239T3 (da) * 2003-02-07 2005-10-17 Delphin Umwelttechnik Gmbh Fremgangsmåde til at påvirke slammets volumenindeks for at undgå flydeslam i et anlæg til spildevandsrensning
US7018536B2 (en) * 2003-04-23 2006-03-28 Proline Wastewater Equipment, Llc Aerobic wastewater management system, apparatus, and method
CN106587336A (zh) * 2015-10-15 2017-04-26 圣堃环保科技（上海）有限公司 一种污水处理装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3607735A (en) * 1969-07-02 1971-09-21 Air Reduction System for treatment of secondary sewage

Also Published As

Publication number Publication date
ZA73389B (en) 1974-03-27
GB1424801A (en) 1976-02-11
BE794121A (fr) 1973-07-16
NL7300822A (it) 1973-07-24
FR2168558A1 (it) 1973-08-31
DE2301395A1 (de) 1973-07-26
IT1013023B (it) 1977-03-30

Similar Documents

Publication Publication Date Title
FR2202185B1 (it)
JPS4921020A (it)
FR2168558B1 (it)
JPS4981270A (it)
JPS4968351A (it)
JPS4944550U (it)
JPS4888692A (it)
JPS4960870U (it)
JPS4989413A (it)
JPS4932238A (it)
CH574529B5 (it)
CH571500A5 (it)
CH578506A5 (it)
CH577259A5 (it)
CH576141A5 (it)
CH568006A5 (it)
CH575901A5 (it)
CH575606A5 (it)
CH567947A5 (it)
CH565286A5 (it)
CH575193A5 (it)
CH564535A5 (it)
CH575047A5 (it)
CH578749A5 (it)
CH574000B5 (it)

Legal Events

Date Code Title Description
ST Notification of lapse