ZA846790B - A method for purifying aqueous solutions - Google Patents

A method for purifying aqueous solutions

Info

Publication number
ZA846790B
ZA846790B ZA846790A ZA846790A ZA846790B ZA 846790 B ZA846790 B ZA 846790B ZA 846790 A ZA846790 A ZA 846790A ZA 846790 A ZA846790 A ZA 846790A ZA 846790 B ZA846790 B ZA 846790B
Authority
ZA
South Africa
Prior art keywords
stage
precipitation
reagent
stages
impurity element
Prior art date
Application number
ZA846790A
Other languages
English (en)
Inventor
Torkel Allgulin
Original Assignee
Boliden Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20352439&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA846790(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Boliden Ab filed Critical Boliden Ab
Publication of ZA846790B publication Critical patent/ZA846790B/xx

Links

Classifications

    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/103—Arsenic 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus 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
    • C02F2101/10—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
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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
    • 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
    • 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
    • Y10S210/914—Mercury

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA846790A 1983-09-12 1984-08-30 A method for purifying aqueous solutions ZA846790B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8304858A SE452307B (sv) 1983-09-12 1983-09-12 Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor

Publications (1)

Publication Number Publication Date
ZA846790B true ZA846790B (en) 1985-04-24

Family

ID=20352439

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA846790A ZA846790B (en) 1983-09-12 1984-08-30 A method for purifying aqueous solutions

Country Status (15)

Country Link
US (1) US4566975A (el)
EP (1) EP0139622B1 (el)
JP (1) JPS60143893A (el)
AT (1) ATE31289T1 (el)
BR (1) BR8404502A (el)
CA (1) CA1253981A (el)
DE (1) DE3468010D1 (el)
ES (1) ES535544A0 (el)
GR (1) GR80306B (el)
MA (1) MA20224A1 (el)
MX (1) MX7707E (el)
PT (1) PT79186B (el)
SE (1) SE452307B (el)
YU (1) YU43855B (el)
ZA (1) ZA846790B (el)

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EP0195297B1 (de) * 1985-03-06 1991-05-02 Karl Clemens Käuffer Verfahren und Vorrichtung zum Schliessen der Kreisläufe bei der Reinigung von Wasser und Abwasser
US4724084A (en) * 1986-03-28 1988-02-09 The Boeing Company System for removing toxic organics and metals from manufacturing wastewater
DE3633066C2 (de) * 1986-09-29 1993-12-02 Fraunhofer Ges Forschung Verfahren zum Entfernen von Arsen aus Prozeßwässern der Glasindustrie
ZA883753B (en) * 1987-06-18 1989-03-29 Bethlehem Steel Corp Process for chemical stabilization of heavy metal bearing dusts and sludge,such as eaf dust
US4840671A (en) * 1987-06-18 1989-06-20 Bethlehem Steel Corporation Process for chemical stabilization of heavy metal bearing dusts and sludges as EAF dust
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US4814091A (en) * 1987-06-29 1989-03-21 The United States Of America As Represented By The United States Department Of Energy Process for removing metals from water
SE465513B (sv) * 1988-10-11 1991-09-23 Boliden Contech Ab Foerfarande foer rening av foerorenade vattenloesningar
US4940549A (en) * 1989-01-31 1990-07-10 Santina Water Company Method for removing toxic metals from agricultural drain water
DE3908491A1 (de) * 1989-03-15 1990-09-20 Fraunhofer Ges Forschung Verfahren zur entfernung von arsen und/oder antimon aus loesungen, die arsen und/oder antimon als anionische fluorokomplexe enthalten
EP0389661B1 (de) * 1989-03-31 1993-11-10 Walhalla-Kalk Entwicklungs- und Vertriebsgesellschaft mbH Verfahren zur Abtrennung von Arsen aus Abwässern
CA1333106C (en) * 1989-05-24 1994-11-15 Serena Jane Domvile Process for removal of inorganic and cyanide contaminants from wastewater
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US5128047A (en) * 1990-04-20 1992-07-07 Rhone-Poulenc Inc. Sequential separation of metals by controlled pH precipitation
US5252003A (en) * 1990-10-29 1993-10-12 International Technology Corporation Attenuation of arsenic leaching from particulate material
JPH04210293A (ja) * 1990-12-12 1992-07-31 Kubota Corp 排水の水銀回収方法及び水銀回収装置
US5543049A (en) * 1991-02-04 1996-08-06 Delman R. Hogen Microbial mediated water treatment
US5976383A (en) * 1991-04-08 1999-11-02 Romar Technologies, Inc. Recycle process for removing dissolved heavy metals from water with aluminum particles
US5545331A (en) * 1991-04-08 1996-08-13 Romar Technologies, Inc. Recycle process for removing dissolved heavy metals from water with iron particles
US5200082A (en) * 1991-07-02 1993-04-06 Santina Water Company Method for removing toxic substances from industrial and agricultural waste water
US5368703A (en) * 1992-05-12 1994-11-29 Anco Environmental Processes, Inc. Method for arsenic removal from wastewater
US5348662A (en) * 1992-05-14 1994-09-20 Elf Atochem North America, Inc. Process for removing heavy metals from aqueous solutions
US5262063A (en) * 1992-05-14 1993-11-16 Elf Atochem North America, Inc. Multiple-stage precipitation process for heavy metals in aqueous solution
CA2139863C (en) * 1992-07-16 2000-05-09 Delman R. Hogen Microbial mediated method for soil and water treatment
SE508836C2 (sv) * 1993-04-20 1998-11-09 Boliden Contech Ab Förfarande för rening av industriellt avloppsvatten genom utfällning i två steg
FI97288C (fi) * 1993-08-26 1996-11-25 Kemira Oy Jätevesilietteen käsittelymenetelmä
US5443622A (en) * 1994-02-28 1995-08-22 Kennecott Corporation Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper
US5616168A (en) * 1994-02-28 1997-04-01 Kennecott Utah Copper Corporation Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper
JPH09192677A (ja) * 1996-01-16 1997-07-29 Mitsubishi Heavy Ind Ltd ひ素含有廃水の処理方法
US5762891A (en) * 1996-02-27 1998-06-09 Hazen Research, Inc. Process for stabilization of arsenic
US6254783B1 (en) 1996-03-11 2001-07-03 Stephen R. Wurzburger Treatment of contaminated waste water
US5728295A (en) * 1996-04-19 1998-03-17 Fuji Hunt Photographic Chemicals, Inc. Apparatus for removing metal ions and/or complexes containing metal ions from a solution
ATE195351T1 (de) 1996-05-20 2000-08-15 Apex Residue Recovery Inc Aufarbeitung von flugstaub/apc reststoffen einschliesslich die abtrennung von bleisälzen
US6117333A (en) * 1997-04-22 2000-09-12 Union Oil Company Of California Removal of hydrocarbons, mercury and arsenic from oil-field produced water
US6387276B1 (en) * 1997-06-19 2002-05-14 The University Of Connecticut Immobilization of inorganic arsenic species using iron
US6042721A (en) * 1997-07-23 2000-03-28 Fabco Industries, Inc. Effluent treatment apparatus
US6251283B1 (en) * 1999-09-03 2001-06-26 Perma-Fix Environmental Services, Inc. Methods for removing selenium from a waste stream
US6177015B1 (en) * 1999-10-18 2001-01-23 Inco Limited Process for reducing the concentration of dissolved metals and metalloids in an aqueous solution
US6398968B1 (en) * 2000-02-25 2002-06-04 Watermark Technologies, Llc Methods for pressure stabilized removal of contaminants from solution
US7232554B2 (en) * 2000-12-14 2007-06-19 Barrick Gold Corporation Process for recovering arsenic from acidic aqueous solution
US6821434B1 (en) 2001-10-10 2004-11-23 Sandia Corporation System for removal of arsenic from water
US7247242B1 (en) 2001-10-10 2007-07-24 Sandia Corporation Arsenic removal from water
US20040146993A1 (en) * 2002-11-13 2004-07-29 Khare Anil B. Isolating chondroitin sulfate
US20100187178A1 (en) * 2003-01-29 2010-07-29 Molycorp Minerals, Llc Process for removing and sequestering contaminants from aqueous streams
US6863825B2 (en) 2003-01-29 2005-03-08 Union Oil Company Of California Process for removing arsenic from aqueous streams
TW559617B (en) * 2003-05-07 2003-11-01 Ind Tech Res Inst Method for removing arsenic from water
KR100926915B1 (ko) * 2004-04-26 2009-11-17 미쓰비시 마테리알 가부시키가이샤 폐수 처리방법 및 폐수 처리장치
US7279103B2 (en) * 2005-09-13 2007-10-09 United States Of America Enviromental Protection Agency Process for the purification of acidic metal-bearing waste waters to permissible discharge levels with recovery of marketable metal products
US8066874B2 (en) * 2006-12-28 2011-11-29 Molycorp Minerals, Llc Apparatus for treating a flow of an aqueous solution containing arsenic
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Also Published As

Publication number Publication date
JPH0521637B2 (el) 1993-03-25
PT79186B (en) 1986-08-14
SE8304858D0 (sv) 1983-09-12
EP0139622B1 (en) 1987-12-09
ATE31289T1 (de) 1987-12-15
GR80306B (en) 1985-01-08
YU43855B (en) 1989-12-31
MX7707E (es) 1990-09-25
EP0139622A1 (en) 1985-05-02
ES8603355A1 (es) 1985-12-16
ES535544A0 (es) 1985-12-16
DE3468010D1 (en) 1988-01-21
SE8304858L (sv) 1985-03-13
YU156984A (en) 1987-06-30
PT79186A (en) 1984-10-01
CA1253981A (en) 1989-05-09
JPS60143893A (ja) 1985-07-30
US4566975A (en) 1986-01-28
SE452307B (sv) 1987-11-23
MA20224A1 (fr) 1985-04-01
BR8404502A (pt) 1985-08-06

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