FR2490620B1 - WASTEWATER TREATMENT METHOD AND APPARATUS - Google Patents

WASTEWATER TREATMENT METHOD AND APPARATUS

Info

Publication number
FR2490620B1
FR2490620B1 FR8117955A FR8117955A FR2490620B1 FR 2490620 B1 FR2490620 B1 FR 2490620B1 FR 8117955 A FR8117955 A FR 8117955A FR 8117955 A FR8117955 A FR 8117955A FR 2490620 B1 FR2490620 B1 FR 2490620B1
Authority
FR
France
Prior art keywords
treatment method
wastewater treatment
wastewater
treatment
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
FR8117955A
Other languages
French (fr)
Other versions
FR2490620A1 (en
Inventor
David Simon Ross
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.)
STWB Inc
Original Assignee
Sterling Drug 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 Sterling Drug Inc filed Critical Sterling Drug Inc
Publication of FR2490620A1 publication Critical patent/FR2490620A1/en
Application granted granted Critical
Publication of FR2490620B1 publication Critical patent/FR2490620B1/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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/045—Breaking emulsions with coalescers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/08—Thickening liquid suspensions by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Thermal Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Activated Sludge Processes (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Removal Of Specific Substances (AREA)
  • Physical Water Treatments (AREA)
FR8117955A 1980-09-25 1981-09-23 WASTEWATER TREATMENT METHOD AND APPARATUS Expired FR2490620B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19060580A 1980-09-25 1980-09-25

Publications (2)

Publication Number Publication Date
FR2490620A1 FR2490620A1 (en) 1982-03-26
FR2490620B1 true FR2490620B1 (en) 1987-09-04

Family

ID=22702026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117955A Expired FR2490620B1 (en) 1980-09-25 1981-09-23 WASTEWATER TREATMENT METHOD AND APPARATUS

Country Status (16)

Country Link
JP (1) JPS5787893A (en)
KR (1) KR890000704B1 (en)
AT (1) AT393497B (en)
AU (1) AU551752B2 (en)
BE (1) BE890458A (en)
BR (1) BR8106104A (en)
CH (1) CH647742A5 (en)
DE (1) DE3138246A1 (en)
FR (1) FR2490620B1 (en)
GB (1) GB2084041B (en)
IT (1) IT1139489B (en)
MX (1) MX159327A (en)
NL (1) NL8104402A (en)
NO (1) NO813255L (en)
SE (1) SE8105659L (en)
ZA (1) ZA816522B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308287A1 (en) * 1983-03-09 1984-09-13 Bergwerksverband Gmbh, 4300 Essen METHOD AND DEVICE FOR FILTERING SOLID-LOADED LIQUIDS
FR2565962B1 (en) * 1984-06-15 1989-12-01 Omnium Traitement Valorisa BIOLOGICAL WATER PURIFICATION PROCESS
IT1187671B (en) * 1985-05-17 1987-12-23 Tovo Spa PROCESS AND PLANT FOR THE TREATMENT OF OIL EMULSIONS
DE3822508A1 (en) * 1988-07-04 1990-01-11 Didier Werke Ag METHOD FOR CLEANING WATER
US5285903A (en) * 1992-10-13 1994-02-15 Sorenson Blaine F Method for recovering particulate and scavenging formaldehyde in a wood panel fabrication process
AT403907B (en) * 1996-07-09 1998-06-25 Norbert Ing Kosatko DEVICE FOR MECHANICAL AND ADSORPTIVE CLEANING AND / OR RECOVERY OF WASTE WATER
CN114195327B (en) * 2021-12-02 2023-07-25 何京恩 Domestic sewage purifying and discharging system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB293927A (en) * 1927-04-29 1928-07-19 Reginald Humphrey Lee Pennell Improvements in or relating to the purification of liquid trades waste
US3701423A (en) * 1970-05-12 1972-10-31 Ecodyne Corp Method and apparatus for filtering a liquid
US3817378A (en) * 1971-06-22 1974-06-18 Hydro Clear Corp Method and apparatus for filtering solids from a liquid effluent
CA1033669A (en) * 1972-06-28 1978-06-27 Allen Clamen Control of aerobic biological growth in activated carbon waste water treatment
GB1449342A (en) * 1974-01-03 1976-09-15 British Petroleum Co Process for reducing the oil conentt of aqueous effluents
US3932278A (en) * 1974-02-15 1976-01-13 Sterling Drug Inc. Filter cleaning method
DE2530722C2 (en) * 1975-07-10 1984-05-24 Wolf-Rüdiger Dipl.-Ing. 7000 Stuttgart Müller Process for nitrification, demanganization and iron removal from contaminated water
US4032443A (en) * 1976-01-29 1977-06-28 Sterling Drug Inc. Removal of grease and oil from particulate bed granules by backwashing with a detergent
DE2608899C3 (en) * 1976-03-04 1982-12-30 Müller, Wolf-Rüdiger, Dipl.-Ing., 7000 Stuttgart Process to improve the backwashing process for filters made of granular materials through the use of hydrogen peroxide (H ↓ 2 ↓ O ↓ 2 ↓)
DE2822497A1 (en) * 1978-05-23 1979-11-29 Egyesuelt Mueszaki Toemito Es Purificn. of esp. oil polluted water - by upflow through bed of elastically deformable particles regenerated with raw water
FR2456539A1 (en) * 1979-05-15 1980-12-12 Raffinage Cie Francaise PROCESS FOR THE PURIFICATION OF WATER CONTAINING HYDROCARBONS

Also Published As

Publication number Publication date
JPH0119959B2 (en) 1989-04-13
GB2084041B (en) 1985-08-21
CH647742A5 (en) 1985-02-15
ZA816522B (en) 1982-09-29
AU551752B2 (en) 1986-05-08
GB2084041A (en) 1982-04-07
KR890000704B1 (en) 1989-03-27
AU7528781A (en) 1982-04-01
DE3138246A1 (en) 1982-08-26
BR8106104A (en) 1982-06-15
SE8105659L (en) 1982-03-26
JPS5787893A (en) 1982-06-01
FR2490620A1 (en) 1982-03-26
IT8124136A0 (en) 1981-09-24
NL8104402A (en) 1982-04-16
IT1139489B (en) 1986-09-24
NO813255L (en) 1982-03-26
KR830007442A (en) 1983-10-21
BE890458A (en) 1982-03-23
MX159327A (en) 1989-05-17
AT393497B (en) 1991-10-25
ATA412581A (en) 1991-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse