CH561665A5 - - Google Patents

Info

Publication number
CH561665A5
CH561665A5 CH434469A CH434469A CH561665A5 CH 561665 A5 CH561665 A5 CH 561665A5 CH 434469 A CH434469 A CH 434469A CH 434469 A CH434469 A CH 434469A CH 561665 A5 CH561665 A5 CH 561665A5
Authority
CH
Switzerland
Application number
CH434469A
Original Assignee
Dorr Oliver 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 Dorr Oliver Inc filed Critical Dorr Oliver Inc
Publication of CH561665A5 publication Critical patent/CH561665A5/xx

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
    • C02F1/52—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
    • 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
    • Y10S210/906—Phosphorus containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Activated Sludge Processes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CH434469A 1968-03-22 1969-03-21 CH561665A5 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71537668A 1968-03-22 1968-03-22

Publications (1)

Publication Number Publication Date
CH561665A5 true CH561665A5 (cs) 1975-05-15

Family

ID=24873784

Family Applications (1)

Application Number Title Priority Date Filing Date
CH434469A CH561665A5 (cs) 1968-03-22 1969-03-21

Country Status (10)

Country Link
US (1) US3423309A (cs)
AT (1) AT291868B (cs)
CH (1) CH561665A5 (cs)
DE (1) DE1913341A1 (cs)
DK (1) DK138012B (cs)
FR (1) FR2004566A6 (cs)
GB (1) GB1269223A (cs)
NL (1) NL6904432A (cs)
NO (1) NO129401B (cs)
SE (1) SE376227B (cs)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480144A (en) * 1968-05-03 1969-11-25 Us Interior Process for removing phosphorus from waste water
US3506570A (en) * 1968-05-08 1970-04-14 Dow Chemical Co Clarification of and phosphate removal from sewage
US3635817A (en) * 1968-10-17 1972-01-18 Envirotech Corp Waste water treatment process
US3617542A (en) * 1969-02-11 1971-11-02 Nalco Chemical Co Removal of phosphates from sewage effluent
US3617539A (en) * 1969-05-15 1971-11-02 Standard Oil Co Process for removing contaminants from waste-water
US4017388A (en) * 1969-08-22 1977-04-12 Dorr-Oliver Incorporated Split treatment phosphorus removal from waste
US3617579A (en) * 1969-12-31 1971-11-02 Frank C Gunderloy Jr Process for the partial denitrification of a dilute nitrate ion solution
US3763038A (en) * 1970-04-10 1973-10-02 Kurita Water Ind Ltd Process for purifying water that contains organic matter
US3617540A (en) * 1970-05-13 1971-11-02 Us Interior Removal of nitrogen and phosphorus from waste waters
US3673083A (en) * 1970-12-28 1972-06-27 Nalco Chemical Co Sewage treatment
US3716484A (en) * 1971-05-10 1973-02-13 Michigan Chem Corp Process for substantial removal of phosphates from wastewaters
US3915853A (en) * 1971-08-25 1975-10-28 Egon Luck Sewage treatment
US3960717A (en) * 1972-01-20 1976-06-01 Air Products And Chemicals, Inc. Process for treating waste water
US3772188A (en) * 1972-02-28 1973-11-13 R Edwards Sewage treatment apparatus and method
US4173532A (en) * 1974-03-07 1979-11-06 Entenmann's, Inc. Method for treating plant effluent
US4098689A (en) * 1974-07-05 1978-07-04 Idemitsu Kosan Company, Ltd. Method of treating waste water with activated sludge
JPS5279556A (en) * 1975-12-25 1977-07-04 Hitachi Ltd Method of treating aerophobically digested liquid
HU172727B (hu) * 1976-02-07 1978-11-28 Tatabanyai Szenbanyak Sposob ochistki navoznoj zhizhi, voznikajuhhejsja v promyshlennykh skotovodcheskikh fermakh
FR2497186A1 (fr) * 1980-12-31 1982-07-02 Tech Nles Ste Gle Procede et dispositif de traitement d'eaux residuaires azotees
DE3127570A1 (de) * 1981-07-13 1983-04-28 Mecapec S.A., 8716 Schmerikon Verfahrung und einrichtung zur flockungsfiltration von abwasser
US4507206A (en) * 1982-07-19 1985-03-26 Hughes Geoffrey F Method for restoring and maintaining eutrophied natural bodies of waters
SE452307B (sv) * 1983-09-12 1987-11-23 Boliden Ab Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor
US4487699A (en) * 1983-12-09 1984-12-11 Long Jr Charles A Sewage sludge treatment apparatus and process
US4582612A (en) * 1983-12-09 1986-04-15 Long Enterprises, Inc. Sewage sludge treatment apparatus
US4659464A (en) * 1984-09-14 1987-04-21 Long Enterprises, Inc. Apparatus for dispersing sludge with gas impingement
GB2216114A (en) * 1988-03-30 1989-10-04 Stig Arvid Henrikson A continuous chemical precipitation process for water using lime
DE4013375C2 (de) * 1990-04-26 1994-12-22 Passavant Werke Verfahren zum Entfernen von gelösten und in Suspensa enthaltenem Phosphor aus Abwasser
US5543049A (en) * 1991-02-04 1996-08-06 Delman R. Hogen Microbial mediated water treatment
US5620893A (en) * 1992-07-16 1997-04-15 Delman R. Hogen Microbial mediated method for soil and water treatment
US5397473A (en) * 1993-08-27 1995-03-14 Cornell Research Foundation, Inc. Biological treatment method for water
FR2729653B1 (fr) * 1995-01-20 1998-04-24 Atochem Elf Sa Procede de dephosphatation ameliore des eaux residuaires
JP4301582B2 (ja) * 1996-08-26 2009-07-22 味の素株式会社 凝集沈殿法による排水処理方法
US6464875B1 (en) 1999-04-23 2002-10-15 Gold Kist, Inc. Food, animal, vegetable and food preparation byproduct treatment apparatus and process
US20040149661A1 (en) * 2003-01-24 2004-08-05 United States Filter Corporation Effect of cations on activated sludge characteristics
US7279100B2 (en) * 2005-01-31 2007-10-09 Ashbrook Simon-Hartley Operations, Lp Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane
US20110253613A1 (en) * 2005-07-06 2011-10-20 Siemens Industry, Inc. Contaminant removal system utilizing disc filter
EP1893534B1 (en) * 2005-07-06 2011-09-07 Siemens Industry, Inc. Improved phosphorus removal system and process
CA2532286A1 (en) * 2006-01-05 2007-07-05 Seprotech Systems Incorporated Removal of phosphates from wastewater
US20080053913A1 (en) * 2006-09-06 2008-03-06 Fassbender Alexander G Nutrient recovery process
US20080053909A1 (en) * 2006-09-06 2008-03-06 Fassbender Alexander G Ammonia recovery process
US20080156726A1 (en) * 2006-09-06 2008-07-03 Fassbender Alexander G Integrating recycle stream ammonia treatment with biological nutrient removal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236766A (en) * 1964-03-31 1966-02-22 Hazleton Lab Inc Sewage treatment process
US3386910A (en) * 1965-05-25 1968-06-04 Fmc Corp Process for treatment of sewage and nutrient removal

Also Published As

Publication number Publication date
NL6904432A (cs) 1969-09-24
SE376227B (cs) 1975-05-12
US3423309A (en) 1969-01-21
AT291868B (de) 1971-08-10
FR2004566A6 (cs) 1969-11-28
GB1269223A (en) 1972-04-06
DK138012B (da) 1978-06-26
DE1913341A1 (de) 1970-10-08
NO129401B (cs) 1974-04-08

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Legal Events

Date Code Title Description
PLZ Patent of addition ceased
PL Patent ceased