CA2482939A1 - Reduction in biological oxygen demand levels in waste water effluents - Google Patents

Reduction in biological oxygen demand levels in waste water effluents Download PDF

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Publication number
CA2482939A1
CA2482939A1 CA002482939A CA2482939A CA2482939A1 CA 2482939 A1 CA2482939 A1 CA 2482939A1 CA 002482939 A CA002482939 A CA 002482939A CA 2482939 A CA2482939 A CA 2482939A CA 2482939 A1 CA2482939 A1 CA 2482939A1
Authority
CA
Canada
Prior art keywords
aeration
waste stream
aerating
waste
magnesium
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.)
Abandoned
Application number
CA002482939A
Other languages
English (en)
French (fr)
Inventor
Bud G. Harmon
Timothy M. Ortman
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.)
AGRI PROCESSING SERVICES LLC
Purdue Research Foundation
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2482939A1 publication Critical patent/CA2482939A1/en
Abandoned 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
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • 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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • C02F2103/322—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from vegetable oil production, e.g. olive oil production
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/12—Prevention of foaming
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA002482939A 2002-04-23 2003-04-23 Reduction in biological oxygen demand levels in waste water effluents Abandoned CA2482939A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37521302P 2002-04-23 2002-04-23
US60/375,213 2002-04-23
PCT/US2003/012760 WO2003090561A1 (en) 2002-04-23 2003-04-23 Reduction in biological oxygen demand levels in waste water effluents

Publications (1)

Publication Number Publication Date
CA2482939A1 true CA2482939A1 (en) 2003-11-06

Family

ID=29270608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002482939A Abandoned CA2482939A1 (en) 2002-04-23 2003-04-23 Reduction in biological oxygen demand levels in waste water effluents

Country Status (6)

Country Link
US (1) US20050247639A1 (enExample)
EP (1) EP1503634A1 (enExample)
JP (1) JP2005523152A (enExample)
AU (1) AU2003228680A1 (enExample)
CA (1) CA2482939A1 (enExample)
WO (1) WO2003090561A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105683094A (zh) * 2013-03-15 2016-06-15 艾尔格科技公司 使用pH控制系统和具有高生化需氧量水平的工业污水的单细胞生物质生产的方法和装置
WO2019157467A1 (en) * 2018-02-09 2019-08-15 Aquamare, LLC Well wastewater treatment
CA3133109C (en) * 2019-03-29 2023-10-10 Aqua-Terra Consultants Wastewater treatment system and methods utilizing chemical pre-treatment and foam fractionation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490752A (en) * 1966-09-02 1970-01-20 Martin Danjes Aeration device for sewage plants with biological purification
US3664647A (en) * 1970-07-22 1972-05-23 Xodar Corp Aerating system
US3772187A (en) * 1971-07-14 1973-11-13 D Othmer Sewage treatment process
BE819769A (nl) * 1974-09-11 1974-12-31 Inrichting voor het zuiveren van verontreinigd water.
US4085041A (en) * 1974-12-20 1978-04-18 Fmc Corporation Biological oxidation and flotation apparatus and method
US4072612A (en) * 1976-05-25 1978-02-07 Daniel William H Aerator for bodies of water
US4081378A (en) * 1977-01-17 1978-03-28 John Zink Company Liquid aeration to reduce biological oxygen demand
US4645603A (en) * 1977-11-09 1987-02-24 Frankl Gerald P Liquid aeration device and method
JPS57201584A (en) * 1981-05-20 1982-12-10 Shirubaaton Taanarii Ltd Method and device for clarifying waste water
US4983297A (en) * 1988-12-29 1991-01-08 Exxon Research And Engineering Company Waste water treating process scheme
US6235339B1 (en) * 1999-03-04 2001-05-22 Purdue Research Foundation Method of treating a meat processing plant waste stream
US6344144B1 (en) * 2000-05-10 2002-02-05 Fbc Technologies, Inc. High-capacity bio-block aeration system for stimulating enhanced bio-activity in aerobic wastewater treatment processes

Also Published As

Publication number Publication date
EP1503634A1 (en) 2005-02-09
US20050247639A1 (en) 2005-11-10
WO2003090561A1 (en) 2003-11-06
AU2003228680A1 (en) 2003-11-10
JP2005523152A (ja) 2005-08-04

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