PT72522B - A method of purifying waste aqueous solutions from hervy metals - Google Patents

A method of purifying waste aqueous solutions from hervy metals

Info

Publication number
PT72522B
PT72522B PT72522A PT7252281A PT72522B PT 72522 B PT72522 B PT 72522B PT 72522 A PT72522 A PT 72522A PT 7252281 A PT7252281 A PT 7252281A PT 72522 B PT72522 B PT 72522B
Authority
PT
Portugal
Prior art keywords
hervy
metals
aqueous solutions
purifying waste
waste aqueous
Prior art date
Application number
PT72522A
Other languages
English (en)
Other versions
PT72522A (en
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 PT72522A publication Critical patent/PT72522A/pt
Publication of PT72522B publication Critical patent/PT72522B/pt

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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (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)
PT72522A 1980-03-05 1981-02-17 A method of purifying waste aqueous solutions from hervy metals PT72522B (en)

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
PT72522A PT72522A (en) 1981-03-01
PT72522B true PT72522B (en) 1982-02-10

Family

ID=20340422

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72522A PT72522B (en) 1980-03-05 1981-02-17 A method of purifying waste aqueous solutions from hervy metals

Country Status (11)

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

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
EP0909335B1 (en) 1996-05-20 2000-08-09 Apex Residue Recovery Inc. Treatment of fly ash/apc residues including lead salt recovery
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
EP1428798A4 (en) * 2001-09-03 2005-12-28 Aquatech Corp METHOD FOR THE TREATMENT OF HEAVY METAL-CONTAINING WASTE WITH SULFIDING AGENT AND TREATMENT DEVICE
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
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
US2755172A (en) * 1949-11-15 1956-07-17 Chemical Construction Corp Selective replacement of metal sulfides
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 (pt) * 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
CA1165907A (en) 1984-04-17
GR74477B (pt) 1984-06-28
IT1136915B (it) 1986-09-03
WO1981002569A1 (en) 1981-09-17
PH16981A (en) 1984-05-04
US4503017A (en) 1985-03-05
SE420487B (sv) 1981-10-12
PT72522A (en) 1981-03-01
JPS57500233A (pt) 1982-02-12
FR2477521A1 (fr) 1981-09-11
SE8001720L (sv) 1981-09-06
ES499707A0 (es) 1982-05-01
IT8120139A0 (it) 1981-03-05
ES8204697A1 (es) 1982-05-01

Similar Documents

Publication Publication Date Title
PT72522B (en) A method of purifying waste aqueous solutions from hervy metals
DE3268640D1 (en) A method of recovering a catalytic metal
DE3574165D1 (en) A method of processing waste materials, particularly a sludge containing noxious metals
DE3174024D1 (en) A continuous process for wet oxidation of aqueous waste liquors
JPS56113397A (en) Method of removing metal from aqueous medium containing metal
GB2082564B (en) Removal of arsenic from aqueous solutions
YU80686A (en) Process for extracting metals from water solutions
ZA815307B (en) Removal of radium from aqueous sulphate solutions
GB2174688B (en) Process for removing metal complexes from waste solutions
JPS57131098A (en) Method of removing ammonium nitrate from aqueous solution
PT73761B (en) Process for the recovery of a precious metal
ZA837388B (en) Method of purifying uraniferous aqueous solutions
GB2130783B (en) A process for the solidification of aqueous radioactive waste
GB8418588D0 (en) Removing metals from aqueous solutions
GB2130428B (en) A process for reducing the volume of aqueous radioactive waste
JPS5544331A (en) Continuous purifying method of industrial waste gas containing formaldehyde
DE3162695D1 (en) Process for removing soluble boron compounds from aqueous effluents
YU142981A (en) Process for the purification of metal
JPS5794700A (en) Method of decontaminating radiation-contaminated metal waste
ZA85272B (en) A method of processing waste materials,particularly a sludge containing noxious metals
DE3265190D1 (en) A method for purification of cyclopentenolones
SU1139457A1 (en) Method of extracting heavy metals from aqueous nitrate solutions
JPS57137900A (en) Volume-decreasing system of radioactivity-contaminated metal waste
JPS5786094A (en) Operation method of purification process
CS261068B3 (en) Method of quicksilver removal from waste solutions