NO923441L - Fremgangsmaate for utfelling av fosfater med jernhydroksyd - Google Patents

Fremgangsmaate for utfelling av fosfater med jernhydroksyd

Info

Publication number
NO923441L
NO923441L NO92923441A NO923441A NO923441L NO 923441 L NO923441 L NO 923441L NO 92923441 A NO92923441 A NO 92923441A NO 923441 A NO923441 A NO 923441A NO 923441 L NO923441 L NO 923441L
Authority
NO
Norway
Prior art keywords
iron
phosphates
hydroxyd
exposure
procedure
Prior art date
Application number
NO92923441A
Other languages
English (en)
Other versions
NO923441D0 (no
Inventor
German Mueller
Siegfried Riethmayer
Original Assignee
Ind Automation Sondertechnik G
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 Ind Automation Sondertechnik G filed Critical Ind Automation Sondertechnik G
Publication of NO923441D0 publication Critical patent/NO923441D0/no
Publication of NO923441L publication Critical patent/NO923441L/no

Links

Classifications

    • 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
    • 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
    • Y10S210/906—Phosphorus containing
    • Y10S210/907—Phosphate slimes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

Fremgangsmåte for utfelling av fosfater fra fosfatholdig vann under anvendelse av jernhydroksyd med den generelle formel Fe0»nH0, hvor n er 0,5-3,0, idet dette jernhydroksyd utvinnes av jernholdige, naturlige eller tekniske slamtyper ved oppløsning med mineralsyre og utfelling med alkali.
NO92923441A 1991-09-04 1992-09-03 Fremgangsmaate for utfelling av fosfater med jernhydroksyd NO923441L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91114928A EP0530396A1 (de) 1991-09-04 1991-09-04 Verfahren zur Phosphatfällung mit Eisenhydroxid

Publications (2)

Publication Number Publication Date
NO923441D0 NO923441D0 (no) 1992-09-03
NO923441L true NO923441L (no) 1993-03-05

Family

ID=8207111

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92923441A NO923441L (no) 1991-09-04 1992-09-03 Fremgangsmaate for utfelling av fosfater med jernhydroksyd

Country Status (4)

Country Link
US (1) US5296151A (no)
EP (1) EP0530396A1 (no)
DK (1) DK109492A (no)
NO (1) NO923441L (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325535C2 (de) * 1993-07-29 1998-08-27 Walhalla Kalk Entwicklungs Und Verfahren zur Abtrennung von Phosphaten aus Abwässern
FI97289C (fi) * 1993-08-26 1996-11-25 Kemira Oy Menetelmä ainakin yhden metallin talteenottamiseksi hapolla käsitellystä jätevesilietteestä
FI97288C (fi) * 1993-08-26 1996-11-25 Kemira Oy Jätevesilietteen käsittelymenetelmä
US6214302B1 (en) * 1994-11-18 2001-04-10 Gainel Malybaeva Production of aluminum sulfate from coal ash
SE511166C2 (sv) * 1997-03-14 1999-08-16 Kemira Kemi Ab Förfarande för behandling av slam från avloppsvattenrening
DE10334521A1 (de) * 2003-07-29 2005-02-24 P & W Invest Vermögensverwaltungsgesellschaft mbH Flockungsmittel, Verfahren zu dessen Herstellung und dessen Verwendung
DE102015108749A1 (de) 2015-06-02 2016-12-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur großmaßstäblichen, nasschemischen Herstellung von ZnO Nanopartikeln mit Hilfe von Luftblasen
CN114477121A (zh) * 2022-02-25 2022-05-13 湖南长宏新能源材料有限责任公司 一种通过含铁废渣生产电池级磷酸铁
DE102022112174A1 (de) 2022-05-16 2023-11-16 Mecana Umwelttechnik Gmbh Verwendung eines Adsorbens und Dosiereinheit aus Adsorbens für diese Verwendung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499837A (en) * 1967-11-20 1970-03-10 Johns Manville Waste water treatment phosphate removal by iron oxide
DE2843053A1 (de) * 1978-10-03 1980-04-24 Bayer Ag Faellmittel zur entphosphatisierung von abwasser und verfahren zu dessen herstellung
DE3001929C2 (de) * 1980-01-19 1984-05-10 Erich Friedrich Metalle-Hüttenprodukte (GmbH & Co) KG, 2000 Hamburg Verwendung eines Eisendioxid enthaltenden Fällungsmittels in Kläranlagen
DE3200164A1 (de) * 1981-02-10 1982-12-09 Erich Friedrich Metalle-Hüttenprodukte (GmbH & Co) KG, 2000 Hamburg Faellungsmittel und verfahren zu dessen herstellung
ATE82740T1 (de) * 1989-01-13 1992-12-15 Ind Automation Sondertechnik G Verfahren zur vermeidung von schwermetallsondermuell bei der dekontaminierung natuerlicher und technischer schlaemme, thermischer rueckstaende und boeden.

Also Published As

Publication number Publication date
US5296151A (en) 1994-03-22
DK109492D0 (da) 1992-09-03
DK109492A (da) 1993-03-05
EP0530396A1 (de) 1993-03-10
NO923441D0 (no) 1992-09-03

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