ATE78241T1 - Abwasserschlammbehandlung mit gasinjektion. - Google Patents

Abwasserschlammbehandlung mit gasinjektion.

Info

Publication number
ATE78241T1
ATE78241T1 AT90116644T AT90116644T ATE78241T1 AT E78241 T1 ATE78241 T1 AT E78241T1 AT 90116644 T AT90116644 T AT 90116644T AT 90116644 T AT90116644 T AT 90116644T AT E78241 T1 ATE78241 T1 AT E78241T1
Authority
AT
Austria
Prior art keywords
sludge
oxygen
adjusting
mixing
gas
Prior art date
Application number
AT90116644T
Other languages
English (en)
Inventor
A Long Charles Jr
William A Cobb
Robert D Blythe
Philip M Grover
Original Assignee
Long Enterprises 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
Priority claimed from US07/402,276 external-priority patent/US4936983A/en
Application filed by Long Enterprises Inc filed Critical Long Enterprises Inc
Application granted granted Critical
Publication of ATE78241T1 publication Critical patent/ATE78241T1/de

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
    • C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/234—Surface aerating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/234—Surface aerating
    • B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
    • B01F23/23413—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere using nozzles for projecting the liquid into the gas atmosphere
    • 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
    • C02F3/24—Activated sludge processes using free-fall aeration or spraying
    • 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
    • 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
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Sludge (AREA)
AT90116644T 1989-09-01 1990-08-30 Abwasserschlammbehandlung mit gasinjektion. ATE78241T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/402,276 US4936983A (en) 1989-09-01 1989-09-01 Sewage sludge treatment with gas injection
US07/539,112 US5147563A (en) 1989-09-01 1990-06-15 Sewage sludge treatment with gas injection

Publications (1)

Publication Number Publication Date
ATE78241T1 true ATE78241T1 (de) 1992-08-15

Family

ID=27017793

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90116644T ATE78241T1 (de) 1989-09-01 1990-08-30 Abwasserschlammbehandlung mit gasinjektion.

Country Status (5)

Country Link
US (1) US5147563A (de)
EP (1) EP0415403B1 (de)
AT (1) ATE78241T1 (de)
DE (1) DE69000199T2 (de)
DK (1) DK0415403T3 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425883A (en) * 1991-11-04 1995-06-20 Reid; Allen F. Method for separation and removal of impurities from liquids
US5372725A (en) * 1991-11-04 1994-12-13 Halff; Albert H. Method for separation and removal of impurities from liquids
WO1995005346A1 (en) * 1993-08-18 1995-02-23 Gilboy John P Jr Process for purifying contaminated liquids utilizing ozone
ES2070787B1 (es) * 1993-12-01 1996-01-01 S E De Carburos Metalicos S A Nuevo procedimiento para la digestion de fangos en los tratamientos de depuracion de aguas residuales.
US5520888A (en) * 1994-02-01 1996-05-28 Safe Alternatives Corporation Bio-medical waste reactor, sterilizer and methods thereof
DE69909601T2 (de) 1998-03-18 2004-05-13 Edmonton Biosphere Technologies Inc. Verfahren zur biologischen raffinierung von organischen abfällen zur gewinnung von denaturierten und sterilen nährstoffen
US6568900B2 (en) 1999-02-01 2003-05-27 Fantom Technologies Inc. Pressure swing contactor for the treatment of a liquid with a gas
FR2817121A1 (fr) * 2000-11-30 2002-05-31 Sofrechim Procede de destruction des farines animales
WO2006091645A2 (en) 2005-02-23 2006-08-31 Blue Water Investments Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer
US8192519B2 (en) 2005-03-09 2012-06-05 Vitag Corporation Beneficiated, heat-dried biosolid pellets
CA2622881C (en) 2005-09-15 2015-01-27 Vitag Llc Organic containing sludge to fertilizer alkaline conversion process
US9695092B2 (en) 2006-02-23 2017-07-04 Anuvia Plant Nutrients Corporation Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer
US7947104B2 (en) * 2007-02-16 2011-05-24 Vitag Corp. Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer
US8992654B2 (en) 2011-03-28 2015-03-31 Vitag Corporation High value organic-enhanced inorganic fertilizers
US8278081B2 (en) * 2007-11-20 2012-10-02 Biosphere Technologies, Inc. Method for producing non-infectious products from infectious organic waste material
IN2012DN06560A (de) 2009-12-30 2015-10-23 Vitag Holdings Llc
US10022688B2 (en) * 2012-05-02 2018-07-17 Keeton Industries Combination submersible and floating aerator
WO2015166784A1 (ja) * 2014-04-29 2015-11-05 三菱電機株式会社 汚泥処理装置および汚泥処理方法
CN106998693A (zh) * 2014-12-01 2017-08-01 高露洁-棕榄公司 使用臭氧控制沉淀碳酸钙浆料（pcc）中的生物负载的用途
CA2987937C (en) 2015-06-05 2021-08-17 Jeffrey C. Burnham High value organic-containing fertilizers and methods of manufacture
CN105174483B (zh) * 2015-10-21 2017-04-19 北京华凌时代科技发展有限公司 一体化生物污水处理系统
WO2020037242A1 (en) 2018-08-16 2020-02-20 Anuvia Plant Nutrients Holdings, Llc Reactive inorganic coatings for agricultural fertilizers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772187A (en) * 1971-07-14 1973-11-13 D Othmer Sewage treatment process
US3772188A (en) * 1972-02-28 1973-11-13 R Edwards Sewage treatment apparatus and method
US4487699A (en) * 1983-12-09 1984-12-11 Long Jr Charles A Sewage sludge treatment apparatus and process
US4695388A (en) * 1984-09-14 1987-09-22 Long Enterprises, Inc. Apparatus and process for rapid sewage sludge separation
US4659464A (en) * 1984-09-14 1987-04-21 Long Enterprises, Inc. Apparatus for dispersing sludge with gas impingement
US4652382A (en) * 1984-10-19 1987-03-24 International Waste Water Reclamation Technologies, Inc. Process and apparatus for continuously treating sewage wastewater by chemical oxidation
US4681687A (en) * 1986-10-20 1987-07-21 Nalco Chemical Company Use of alkali metal nitrites to inhibit H2 S formation in flue gas desulfurization system sludges

Also Published As

Publication number Publication date
EP0415403B1 (de) 1992-07-15
US5147563A (en) 1992-09-15
DE69000199T2 (de) 1993-01-07
DK0415403T3 (da) 1992-10-05
EP0415403A1 (de) 1991-03-06
DE69000199D1 (de) 1992-08-20

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee