CA1331897C - Methode de traitement des eaux usees - Google Patents

Methode de traitement des eaux usees

Info

Publication number
CA1331897C
CA1331897C CA 601113 CA601113A CA1331897C CA 1331897 C CA1331897 C CA 1331897C CA 601113 CA601113 CA 601113 CA 601113 A CA601113 A CA 601113A CA 1331897 C CA1331897 C CA 1331897C
Authority
CA
Canada
Prior art keywords
activated sludge
return activated
wastewater
stream
sludge
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 - Fee Related
Application number
CA 601113
Other languages
English (en)
Inventor
Ronald E. Williamson
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.)
Orange Water and Sewer Authority
Original Assignee
Orange Water and Sewer Authority
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
Priority claimed from US07/238,089 external-priority patent/US4942528A/en
Application filed by Orange Water and Sewer Authority filed Critical Orange Water and Sewer Authority
Application granted granted Critical
Publication of CA1331897C publication Critical patent/CA1331897C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
CA 601113 1988-06-02 1989-05-30 Methode de traitement des eaux usees Expired - Fee Related CA1331897C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20118588A 1988-06-02 1988-06-02
US201,185 1988-06-02
US07/238,089 US4942528A (en) 1987-06-18 1988-08-30 Dipmeter processing technique
US238,089 1994-05-04

Publications (1)

Publication Number Publication Date
CA1331897C true CA1331897C (fr) 1994-09-06

Family

ID=26896484

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 601113 Expired - Fee Related CA1331897C (fr) 1988-06-02 1989-05-30 Methode de traitement des eaux usees

Country Status (2)

Country Link
AU (1) AU620402B2 (fr)
CA (1) CA1331897C (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994802A (en) * 1975-04-16 1976-11-30 Air Products And Chemicals, Inc. Removal of BOD and nitrogenous pollutants from wastewaters
FR2594113B1 (fr) * 1986-02-07 1991-05-17 Degremont Procede et installation pour l'epuration d'eaux residuaires, notamment d'eaux residuaires urbaines

Also Published As

Publication number Publication date
AU3581089A (en) 1989-12-07
AU620402B2 (en) 1992-02-20

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Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 20020906