IT8120139A0 - Metodo per depurare da metalli pesanti soluzioni acquose di scarico. - Google Patents

Metodo per depurare da metalli pesanti soluzioni acquose di scarico.

Info

Publication number
IT8120139A0
IT8120139A0 IT8120139A IT2013981A IT8120139A0 IT 8120139 A0 IT8120139 A0 IT 8120139A0 IT 8120139 A IT8120139 A IT 8120139A IT 2013981 A IT2013981 A IT 2013981A IT 8120139 A0 IT8120139 A0 IT 8120139A0
Authority
IT
Italy
Prior art keywords
waste water
heavy metals
water solutions
purifying heavy
purifying
Prior art date
Application number
IT8120139A
Other languages
English (en)
Other versions
IT1136915B (it
Inventor
Rolf Kenneth Gadd
Anna Christina Sund-Hagelberg
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
Application filed by Boliden Ab filed Critical Boliden Ab
Publication of IT8120139A0 publication Critical patent/IT8120139A0/it
Application granted granted Critical
Publication of IT1136915B publication Critical patent/IT1136915B/it

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
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • C02F2101/20—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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Removal Of Specific Substances (AREA)
IT20139/81A 1980-03-05 1981-03-05 Metodo per depurare da metalli pesanti soluzioni acquose di scarico IT1136915B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8001720A SE420487B (sv) 1980-03-05 1980-03-05 Forfarande for rening av tungmetallinnehallande sur vattenlosning

Publications (2)

Publication Number Publication Date
IT8120139A0 true IT8120139A0 (it) 1981-03-05
IT1136915B IT1136915B (it) 1986-09-03

Family

ID=20340422

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20139/81A IT1136915B (it) 1980-03-05 1981-03-05 Metodo per depurare da metalli pesanti soluzioni acquose di scarico

Country Status (11)

Country Link
US (1) US4503017A (it)
JP (1) JPS57500233A (it)
CA (1) CA1165907A (it)
ES (1) ES8204697A1 (it)
FR (1) FR2477521A1 (it)
GR (1) GR74477B (it)
IT (1) IT1136915B (it)
PH (1) PH16981A (it)
PT (1) PT72522B (it)
SE (1) SE420487B (it)
WO (1) WO1981002569A1 (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611448A1 (de) * 1986-04-05 1987-10-15 Gewerk Keramchemie Verfahren zur behandlung von abwasser
DE3622597A1 (de) * 1986-07-04 1988-01-07 Budenheim Rud A Oetker Chemie Verfahren zur faellung und abtrennung von cadmiumsulfid aus den raffinaten der phosphorsaeurereinigung
NL8700498A (nl) * 1987-02-27 1988-09-16 Dhv Raadgevend Ing Werkwijze voor de verwijdering van zware metalen uit afvalwater.
SE465513B (sv) * 1988-10-11 1991-09-23 Boliden Contech Ab Foerfarande foer rening av foerorenade vattenloesningar
DE4132679C2 (de) * 1991-10-01 2000-10-05 Kronos Titan Gmbh & Co Ohg Entfernung von Schwermetallen aus Abwässern der Titandioxidindustrie
US5294417A (en) * 1992-04-06 1994-03-15 Olin Corporation Process for removal of mercury from hydroxyl-ammonium nitrate solutions
US5262063A (en) * 1992-05-14 1993-11-16 Elf Atochem North America, Inc. Multiple-stage precipitation process for heavy metals in aqueous solution
US5338460A (en) * 1993-04-22 1994-08-16 Elf Atochem North America, Inc. Sulfide precipitation of heavy metals from aqueous solutions
US5478540A (en) * 1994-04-22 1995-12-26 Walles; Wilhelm E. Removal of mercury heavy metal values employing sulfur trioxide
US5405588A (en) * 1994-07-11 1995-04-11 The United States Of America As Represented By The United States Department Of Energy Process for removing cadmium from scrap metal
US5518633A (en) * 1994-10-21 1996-05-21 E. I. Du Pont De Nemours And Company Process for treating aqueous media containing metal ions
JP3085173B2 (ja) * 1995-11-22 2000-09-04 大平洋金属株式会社 酸化鉱石からのレアーアースメタルの濃縮分離回収法
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
DE10022867A1 (de) * 2000-05-10 2001-11-22 Kronos Titan Gmbh & Co Ohg Verfahren zum Entfernen von Nickel- und Bleiionen aus Eisensalzlösungen
JP4565838B2 (ja) * 2001-09-03 2010-10-20 株式会社アクアテック 硫化剤を用いた重金属含有排水の処理方法および処理装置
JP4219138B2 (ja) * 2002-09-06 2009-02-04 株式会社クボタ 重金属不溶化剤の添加方法および装置
CL2008002358A1 (es) * 2008-08-11 2009-02-27 Xpert Ingenieria Y Produccion S A Proceso para remoción y estabilización de arsénico y metales pesados desde ácidos residuales con alto contenido de arsénico que comprende contactar el efluente a tratar con acido sulfhídrico y precipitar sulfuros de arsénico insolubles a ph menor de 2; y sistema para la remoción y estabilización de arsénico desde efluentes industriales ácidos, principalmente líquidos provenientes del lavado de gases de fundición de metales no ferrosos.
CN102603097B (zh) * 2012-03-23 2014-03-19 郑州鸿跃环保科技有限公司 含重金属离子废水深度处理及回用工艺
WO2014061038A1 (en) 2012-10-18 2014-04-24 Hindalco Industries Limited A novel process for treatment of effluent from copper manufacturing process
CN108640390B (zh) * 2018-05-31 2021-10-22 阳谷祥光铜业有限公司 一种含锑废水的处理方法
DE102018125677A1 (de) * 2018-10-16 2020-04-16 Eisenmann Se Verfahren zur Fällung von Arsen und Schwermetall aus saurem Prozesswasser

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755172A (en) * 1949-11-15 1956-07-17 Chemical Construction Corp Selective replacement of metal sulfides
FR1032595A (fr) * 1949-11-15 1953-07-02 Chemical Construction Corp Perfectionnements à la concentration des métaux non-ferreux sous forme de sulfuresà partir d'un concentrat de minerais contenant une certaine teneur en métaux non-ferreux
US2726953A (en) * 1954-06-21 1955-12-13 Chemical Construction Corp Selective nucleated precipitation from acidic solutions
FR1226788A (fr) * 1959-05-05 1960-08-16 Sherritt Gordon Mines Ltd Procédé de traitement de minerais latéritiques
US3421850A (en) * 1965-07-02 1969-01-14 Anaconda Co Separate recovery of copper sulfide and zinc sulfide from aqueous solutions containing water-soluble salts of copper and zinc
US3740331A (en) * 1971-06-23 1973-06-19 Sybron Corp Method for precipitation of heavy metal sulfides
US3790370A (en) * 1971-12-23 1974-02-05 Univ Sherbrooke Removal and recovery of metals from polluted waters
JPS4911810A (it) * 1972-05-16 1974-02-01
GB1445652A (en) * 1973-05-25 1976-08-11 American Cyanamid Co Sulphuric acid process for preparing titanium dioxide
AU2436177A (en) * 1976-04-27 1978-10-26 Permutit Co Inc Colloid-free precipitation of heavy metal sulfides

Also Published As

Publication number Publication date
JPS57500233A (it) 1982-02-12
SE8001720L (sv) 1981-09-06
WO1981002569A1 (en) 1981-09-17
PT72522B (en) 1982-02-10
ES499707A0 (es) 1982-05-01
ES8204697A1 (es) 1982-05-01
CA1165907A (en) 1984-04-17
FR2477521A1 (fr) 1981-09-11
SE420487B (sv) 1981-10-12
IT1136915B (it) 1986-09-03
PH16981A (en) 1984-05-04
PT72522A (en) 1981-03-01
GR74477B (it) 1984-06-28
US4503017A (en) 1985-03-05

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