CA1143486A - Control of activated sludge wastewater treating process for enhanced phosphorous removal - Google Patents

Control of activated sludge wastewater treating process for enhanced phosphorous removal

Info

Publication number
CA1143486A
CA1143486A CA000360874A CA360874A CA1143486A CA 1143486 A CA1143486 A CA 1143486A CA 000360874 A CA000360874 A CA 000360874A CA 360874 A CA360874 A CA 360874A CA 1143486 A CA1143486 A CA 1143486A
Authority
CA
Canada
Prior art keywords
idt
ratio
treatment
bod
oxic
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
CA000360874A
Other languages
English (en)
French (fr)
Inventor
Michael S. Chen
Eugene J. Greskovich
Marshall L. Spector
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22176790&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1143486(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Application granted granted Critical
Publication of CA1143486A publication Critical patent/CA1143486A/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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
    • 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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/308—Biological phosphorus removal
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/906—Phosphorus containing

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Fats And Perfumes (AREA)
  • Electric Clocks (AREA)
  • Activated Sludge Processes (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
CA000360874A 1979-10-09 1980-09-23 Control of activated sludge wastewater treating process for enhanced phosphorous removal Expired CA1143486A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83,196 1979-10-09
US06/083,196 US4271026A (en) 1979-10-09 1979-10-09 Control of activated sludge wastewater treating process for enhanced phosphorous removal

Publications (1)

Publication Number Publication Date
CA1143486A true CA1143486A (en) 1983-03-22

Family

ID=22176790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000360874A Expired CA1143486A (en) 1979-10-09 1980-09-23 Control of activated sludge wastewater treating process for enhanced phosphorous removal

Country Status (13)

Country Link
US (1) US4271026A (enExample)
EP (1) EP0026938B1 (enExample)
JP (1) JPS57113893A (enExample)
AT (1) ATE4045T1 (enExample)
AU (1) AU531468B2 (enExample)
CA (1) CA1143486A (enExample)
DE (1) DE3064050D1 (enExample)
DK (1) DK421580A (enExample)
ES (1) ES495736A0 (enExample)
FI (1) FI803148A7 (enExample)
GR (1) GR70762B (enExample)
IL (1) IL61159A (enExample)
ZA (1) ZA806238B (enExample)

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Also Published As

Publication number Publication date
AU6304880A (en) 1981-04-16
GR70762B (enExample) 1983-03-16
JPS57113893A (en) 1982-07-15
DK421580A (da) 1981-04-10
IL61159A (en) 1983-07-31
EP0026938B1 (en) 1983-07-06
ZA806238B (en) 1981-09-30
ES8107131A1 (es) 1981-09-16
ES495736A0 (es) 1981-09-16
US4271026A (en) 1981-06-02
EP0026938A1 (en) 1981-04-15
AU531468B2 (en) 1983-08-25
DE3064050D1 (en) 1983-08-11
ATE4045T1 (de) 1983-07-15
IL61159A0 (en) 1980-11-30
FI803148L (fi) 1981-04-10
FI803148A7 (fi) 1981-04-10
JPS6312680B2 (enExample) 1988-03-22

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