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FI20055615L - A method for removing substances from an aqueous solution - Google Patents

A method for removing substances from an aqueous solution Download PDF

Info

Publication number
FI20055615L
FI20055615L FI20055615A FI20055615A FI20055615L FI 20055615 L FI20055615 L FI 20055615L FI 20055615 A FI20055615 A FI 20055615A FI 20055615 A FI20055615 A FI 20055615A FI 20055615 L FI20055615 L FI 20055615L
Authority
FI
Finland
Prior art keywords
substances
aqueous solution
removing substances
metals
methods
Prior art date
Application number
FI20055615A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20055615A7 (en
FI20055615A0 (en
Inventor
Vesa Kettunen
Mika Martikainen
Pertti Peuraniemi
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Priority to FI20055615A priority Critical patent/FI20055615A7/en
Publication of FI20055615A0 publication Critical patent/FI20055615A0/en
Priority to PCT/FI2006/050503 priority patent/WO2007057521A1/en
Publication of FI20055615L publication Critical patent/FI20055615L/en
Publication of FI20055615A7 publication Critical patent/FI20055615A7/en

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
    • 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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/303—Complexing agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (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)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The present invention provides methods and the use of compositions for removing substances from aqueous solutions wherein the pH of said solution is raised from acidic to basic. In these methods a composition containing Fe3+ and Mg2+ as sulfates is added to said solutions before raising the pH to settle said substances. The substances to be removed may be metals or heavy metals, such as complexed Cu-ions.
FI20055615A 2005-11-18 2005-11-18 Method for removing substances from aqueous solution FI20055615A7 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20055615A FI20055615A7 (en) 2005-11-18 2005-11-18 Method for removing substances from aqueous solution
PCT/FI2006/050503 WO2007057521A1 (en) 2005-11-18 2006-11-20 Method for removing substances from aqueous solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20055615A FI20055615A7 (en) 2005-11-18 2005-11-18 Method for removing substances from aqueous solution

Publications (3)

Publication Number Publication Date
FI20055615A0 FI20055615A0 (en) 2005-11-18
FI20055615L true FI20055615L (en) 2007-05-19
FI20055615A7 FI20055615A7 (en) 2007-05-19

Family

ID=35458855

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20055615A FI20055615A7 (en) 2005-11-18 2005-11-18 Method for removing substances from aqueous solution

Country Status (2)

Country Link
FI (1) FI20055615A7 (en)
WO (1) WO2007057521A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659228B (en) * 2012-05-07 2014-07-30 莆田市荔城区港西印染有限责任公司 High-stability magnesium-ferrous composite flocculating agent and production technology thereof
JP5985959B2 (en) * 2012-11-07 2016-09-06 水ｉｎｇ株式会社 Method and apparatus for treating waste liquid containing heavy metal
CN104829003B (en) * 2015-04-24 2016-12-07 温州金源化工有限公司 A kind of recoverying and utilizing method of cupric industrial wastes
CN108164041A (en) * 2018-01-12 2018-06-15 中色奥博特铜铝业有限公司 A kind of high-precision rolled copper foil Darkening process produces the processing method of waste water
CN108659164B (en) * 2018-04-28 2021-03-23 东营市诺尔化工有限责任公司 Ultrahigh molecular weight cationic polyacrylamide, and preparation method and application thereof
CN109019743A (en) * 2018-08-07 2018-12-18 南京理工大学 Utilize molysite-desulfurized gypsum system removal EDTA-Pb method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843053A1 (en) * 1978-10-03 1980-04-24 Bayer Ag FELLING AGENT FOR THE DEPHOSPHATIZATION OF WASTEWATER AND METHOD FOR THE PRODUCTION THEREOF
JPH05161803A (en) * 1991-12-11 1993-06-29 Tadahiko Kuno Waste water purifying treatment agent and production thereof
JPH10272304A (en) * 1997-03-31 1998-10-13 Takenobu Horiguchi Inorganic electrolytic flocculating agent
US6962662B2 (en) * 2000-07-13 2005-11-08 Stephen Ray Wurzburger Process for treating lightly contaminated acid mine water
JP2004122092A (en) * 2002-09-30 2004-04-22 Kimihiko Okanoe Liquid purifying apparatus

Also Published As

Publication number Publication date
FI20055615A7 (en) 2007-05-19
FI20055615A0 (en) 2005-11-18
WO2007057521A1 (en) 2007-05-24

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Legal Events

Date Code Title Description
FD Application lapsed