ATE13042T1 - Verfahren zur herstellung einer waessrigen loesung mit hohem gehalt an phosphaten, die rueckgewinnung von eisenverbindungen als faellungsmittel und die abscheidung von schweren metallen von abwasser oder rohwasser. - Google Patents

Verfahren zur herstellung einer waessrigen loesung mit hohem gehalt an phosphaten, die rueckgewinnung von eisenverbindungen als faellungsmittel und die abscheidung von schweren metallen von abwasser oder rohwasser.

Info

Publication number
ATE13042T1
ATE13042T1 AT82850195T AT82850195T ATE13042T1 AT E13042 T1 ATE13042 T1 AT E13042T1 AT 82850195 T AT82850195 T AT 82850195T AT 82850195 T AT82850195 T AT 82850195T AT E13042 T1 ATE13042 T1 AT E13042T1
Authority
AT
Austria
Prior art keywords
aqueous solution
water
phosphorous
metal
precipitant
Prior art date
Application number
AT82850195T
Other languages
English (en)
Inventor
K Wilhelm Ripl
Bo L Verner
Original Assignee
K Wilhelm Ripl
Bo L Verner
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 K Wilhelm Ripl, Bo L Verner filed Critical K Wilhelm Ripl
Application granted granted Critical
Publication of ATE13042T1 publication Critical patent/ATE13042T1/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
    • C02F3/1215—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
    • 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
    • C02F3/28—Anaerobic digestion processes
    • 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
    • Y10S210/906—Phosphorus containing
    • 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
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
AT82850195T 1981-11-24 1982-10-11 Verfahren zur herstellung einer waessrigen loesung mit hohem gehalt an phosphaten, die rueckgewinnung von eisenverbindungen als faellungsmittel und die abscheidung von schweren metallen von abwasser oder rohwasser. ATE13042T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8106992 1981-11-24
EP19820850195 EP0080981B1 (de) 1981-11-24 1982-10-11 Verfahren zur Herstellung einer wässrigen Lösung mit hohem Gehalt an Phosphaten, die Rückgewinnung von Eisenverbindungen als Fällungsmittel und die Abscheidung von schweren Metallen von Abwasser oder Rohwasser

Publications (1)

Publication Number Publication Date
ATE13042T1 true ATE13042T1 (de) 1985-05-15

Family

ID=20345112

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82850195T ATE13042T1 (de) 1981-11-24 1982-10-11 Verfahren zur herstellung einer waessrigen loesung mit hohem gehalt an phosphaten, die rueckgewinnung von eisenverbindungen als faellungsmittel und die abscheidung von schweren metallen von abwasser oder rohwasser.

Country Status (5)

Country Link
US (1) US4416779A (de)
EP (1) EP0080981B1 (de)
AT (1) ATE13042T1 (de)
DE (1) DE3263426D1 (de)
SE (1) SE441441B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539163A1 (de) * 1985-11-05 1987-05-07 Hoechst Ag Verfahren und anlage zur trennung von quecksilber und rotem phosphor
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
DE59206247D1 (de) * 1991-02-27 1996-06-13 Interlicense Den Haag Bv Verfahren zur getrennten behandlung und entsorgung von gemengen aus festen und flüssigen, organischen abfallstoffen
EP0871597B1 (de) * 1995-01-14 1999-12-01 VESTERAGER, Niels Ole Methode zur behandlung einer biomasse zur entfernung von schweren metallen mit schwefelwasserstoff
FR2729653B1 (fr) * 1995-01-20 1998-04-24 Atochem Elf Sa Procede de dephosphatation ameliore des eaux residuaires
SE511166C2 (sv) 1997-03-14 1999-08-16 Kemira Kemi Ab Förfarande för behandling av slam från avloppsvattenrening
US6855254B1 (en) * 2003-12-19 2005-02-15 Shalom Recycling Inc. Magerle metal waste recovery process
GB2430793A (en) * 2005-09-29 2007-04-04 Bookham Technology Plc Bragg grating reflection strength control
US7927493B2 (en) * 2007-05-11 2011-04-19 Ch2M Hill, Inc. Low phosphorus water treatment methods
US8721887B2 (en) 2009-12-07 2014-05-13 Ch2M Hill, Inc. Method and system for treating wastewater
CN107973444B (zh) * 2017-12-05 2020-12-01 吴江市威士达铜业科技有限公司 蚀刻废液制备氢氧化铜粉体所产生废水的处理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029575A (en) * 1972-06-09 1977-06-14 Ewing Engineering Company Phosphorus removal from waste water
US3756946A (en) * 1972-06-13 1973-09-04 Biospherics Inc Sewage treatment process
GB1398603A (en) * 1972-09-21 1975-06-25 Environmental Quality Eng Inc Processes for the biological treatment of waste water
SU784754A3 (ru) * 1975-06-04 1980-11-30 Юнион Карбид Корпорейшн (Фирма) Способ биохимической очистки сточных вод, содержащих фосфор
US4042493A (en) * 1975-10-28 1977-08-16 Union Carbide Corporation Phosphate removal from BOD-containing wastewater
US4183808A (en) * 1977-11-23 1980-01-15 Union Carbide Corporation Phosphate removal from wastewater
US4200523A (en) * 1978-03-23 1980-04-29 E. I. Du Pont De Nemours And Company Process for removing sulfate ions from aqueous streams
SE446526B (sv) * 1979-04-24 1986-09-22 Rodococc Innovation Ab Forfarande for utfellning av tungmetaller ur avloppsvatten innehallande sulfatjoner
JPS55155789A (en) * 1979-05-23 1980-12-04 Nippon Kankyo Seibi Kiyouiku Center Dephosphorizing method of waste water containing phosphorus
JPS5665693A (en) * 1979-11-02 1981-06-03 Kurita Water Ind Ltd Removal of phosphorus from sewage

Also Published As

Publication number Publication date
SE8205294L (sv) 1983-05-25
EP0080981B1 (de) 1985-05-02
US4416779A (en) 1983-11-22
EP0080981A1 (de) 1983-06-08
SE441441B (sv) 1985-10-07
SE8205294D0 (sv) 1982-09-15
DE3263426D1 (en) 1985-06-05

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Legal Events

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