FI20145319A - Procedure for removing sulfate from aqueous solution - Google Patents

Procedure for removing sulfate from aqueous solution

Info

Publication number
FI20145319A
FI20145319A FI20145319A FI20145319A FI20145319A FI 20145319 A FI20145319 A FI 20145319A FI 20145319 A FI20145319 A FI 20145319A FI 20145319 A FI20145319 A FI 20145319A FI 20145319 A FI20145319 A FI 20145319A
Authority
FI
Finland
Prior art keywords
procedure
aqueous solution
removing sulfate
sulfate
aqueous
Prior art date
Application number
FI20145319A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI126851B (en
Inventor
Hannu Suominen
Original Assignee
Suominen Lauri
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 Suominen Lauri filed Critical Suominen Lauri
Priority to FI20145319A priority Critical patent/FI126851B/en
Priority to PCT/FI2015/050228 priority patent/WO2015150636A1/en
Publication of FI20145319A publication Critical patent/FI20145319A/en
Application granted granted Critical
Publication of FI126851B publication Critical patent/FI126851B/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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2433—Discharge mechanisms for floating particles
    • B01D21/2438—Discharge mechanisms for floating particles provided with scrapers on the liquid surface for removing floating particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1437—Flotation machines using electroflotation
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • 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
    • C02F2101/101—Sulfur compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
FI20145319A 2014-04-02 2014-04-02 A method for removing sulfate from an aqueous solution FI126851B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20145319A FI126851B (en) 2014-04-02 2014-04-02 A method for removing sulfate from an aqueous solution
PCT/FI2015/050228 WO2015150636A1 (en) 2014-04-02 2015-03-31 Method for removal of sulphate from aqueous solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20145319A FI126851B (en) 2014-04-02 2014-04-02 A method for removing sulfate from an aqueous solution

Publications (2)

Publication Number Publication Date
FI20145319A true FI20145319A (en) 2015-10-03
FI126851B FI126851B (en) 2017-06-30

Family

ID=54239439

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20145319A FI126851B (en) 2014-04-02 2014-04-02 A method for removing sulfate from an aqueous solution

Country Status (2)

Country Link
FI (1) FI126851B (en)
WO (1) WO2015150636A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9695050B2 (en) * 2012-11-02 2017-07-04 Terra Co2 Technologies Ltd. Methods and systems using electrochemical cells for processing metal sulfate compounds from mine waste and sequestering CO2

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI123310B (en) * 2009-08-14 2013-02-15 Hannu Suominen Method and apparatus for purifying aqueous hydrogen sulfide solutions
FI126285B (en) * 2012-08-27 2016-09-15 Outotec Finland Oy Method for removing sulfate, calcium and / or other soluble metals from waste water
AR094158A1 (en) * 2012-12-20 2015-07-15 Outotec Oyj METHOD FOR INDUSTRIAL WATER TREATMENT
US20140246371A1 (en) * 2013-03-01 2014-09-04 Baker Hughes Incorporated Process for removing sulfate and system for same

Also Published As

Publication number Publication date
FI126851B (en) 2017-06-30
WO2015150636A1 (en) 2015-10-08

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