AR089948A1 - Procedimientos para la extraccion de metales y oxianiones de corrientes acuosas - Google Patents

Procedimientos para la extraccion de metales y oxianiones de corrientes acuosas

Info

Publication number
AR089948A1
AR089948A1 ARP130100406A AR089948A1 AR 089948 A1 AR089948 A1 AR 089948A1 AR P130100406 A ARP130100406 A AR P130100406A AR 089948 A1 AR089948 A1 AR 089948A1
Authority
AR
Argentina
Prior art keywords
metals
aqueous stream
oxyions
procedures
extraction
Prior art date
Application number
Other languages
English (en)
Inventor
Morais Paulo
Moore Lucas
Filho Federico
Costa Marcelo
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
Publication of AR089948A1 publication Critical patent/AR089948A1/es

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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C02F1/705—Reduction by metals
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

Reivindicación 1: Un procedimiento para extraer uno o más metales y/u oxianiones de una corriente acuosa que comprende los pasos de: (a) ajuste del pH de la corriente acuosa a un valor por encima de 6 aproximadamente; (b) adición de uno o más agentes reductores a la corriente acuosa; (c) agitación de la corriente acuosa; (d) adición de uno o más floculantes; y (e) separación de los uno o más metales y/u oxianiones reducidos de la corriente acuosa. Reivindicación 2: El procedimiento de la reivindicación 1, en donde el uno o más metales y/u oxianiones comprenden arsénico, arsenito y/o arseniato.
ARP130100406 2012-02-10 2013-02-08 Procedimientos para la extraccion de metales y oxianiones de corrientes acuosas AR089948A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261597561P 2012-02-10 2012-02-10

Publications (1)

Publication Number Publication Date
AR089948A1 true AR089948A1 (es) 2014-10-01

Family

ID=48326345

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP130100406 AR089948A1 (es) 2012-02-10 2013-02-08 Procedimientos para la extraccion de metales y oxianiones de corrientes acuosas

Country Status (2)

Country Link
AR (1) AR089948A1 (es)
WO (1) WO2013117996A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AP3865A (en) 2011-05-10 2016-10-31 Kemira Oyj Methods for removing contaminants from aqueous systems
US11535537B2 (en) * 2015-01-06 2022-12-27 Ecolab Usa Inc. Process for removal of selenium from water by dithionite ions
IT201700088317A1 (it) * 2017-08-01 2019-02-01 Univ Della Calabria Trattamento di rimozione del boro da acque naturali e reflui
CN109607947A (zh) * 2018-12-25 2019-04-12 贵州省分析测试研究院 一种除去洗煤厂废水中重金属砷的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178962C (nl) * 1973-08-09 1986-06-16 Montedison Spa Werkwijze voor de verwijdering van kwik en kwikzouten uit een vloeibare afvalstroom.
US6274045B1 (en) * 1995-05-19 2001-08-14 Lawrence Kreisler Method for recovering and separating metals from waste streams
DE19639444A1 (de) * 1995-09-27 1997-04-03 Nippon Mining Co Verfahren zur Behandlung von Selen enthaltendem Abwasser
US7641971B2 (en) * 2003-08-13 2010-01-05 Crane Company Metal-treated particles for remediation
JP5261950B2 (ja) * 2006-07-04 2013-08-14 栗田工業株式会社 セレン含有排水の処理方法及び処理装置
EA014850B1 (ru) * 2007-02-01 2011-02-28 Юнилевер Н.В. Композиция для очистки воды
JP2008253939A (ja) * 2007-04-06 2008-10-23 Sumitomo Electric Ind Ltd 廃液処理方法および廃液処理装置

Also Published As

Publication number Publication date
WO2013117996A1 (en) 2013-08-15

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