CL2008002358A1 - Process for removal and stabilization of arsenic and heavy metals from residual acids with high arsenic content, which involves contacting the effluent to be treated with hydrogen sulfide and precipitating insoluble arsenic sulphides at ph less than 2; and system for the removal and stabilization of arsenic from acidic industrial effluents, mainly liquids from the washing of non-ferrous metal smelting gases. - Google Patents

Process for removal and stabilization of arsenic and heavy metals from residual acids with high arsenic content, which involves contacting the effluent to be treated with hydrogen sulfide and precipitating insoluble arsenic sulphides at ph less than 2; and system for the removal and stabilization of arsenic from acidic industrial effluents, mainly liquids from the washing of non-ferrous metal smelting gases.

Info

Publication number
CL2008002358A1
CL2008002358A1 CL2008002358A CL2008002358A CL2008002358A1 CL 2008002358 A1 CL2008002358 A1 CL 2008002358A1 CL 2008002358 A CL2008002358 A CL 2008002358A CL 2008002358 A CL2008002358 A CL 2008002358A CL 2008002358 A1 CL2008002358 A1 CL 2008002358A1
Authority
CL
Chile
Prior art keywords
arsenic
stabilization
removal
effluent
washing
Prior art date
Application number
CL2008002358A
Other languages
Spanish (es)
Inventor
Zeppelin Leandro Herrera
Pavez Jose Hernandez
Original Assignee
Xpert Ingenieria Y Produccion S A
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 Xpert Ingenieria Y Produccion S A filed Critical Xpert Ingenieria Y Produccion S A
Priority to CL2008002358A priority Critical patent/CL2008002358A1/en
Publication of CL2008002358A1 publication Critical patent/CL2008002358A1/en
Priority to PCT/CL2009/000010 priority patent/WO2010017652A1/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
    • C02F1/52—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
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C01C1/244—Preparation by double decomposition of ammonium salts with sulfates
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • 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
    • C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
    • 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

Abstract

Proceso y sistema para la remoción y estabilización de arsénico y/o metales pesados que forman sulfuros insolubles desde ácidos residuales con alto contenido de arsénico.Process and system for the removal and stabilization of arsenic and / or heavy metals that form insoluble sulfides from residual acids with high arsenic content.

CL2008002358A 2008-08-11 2008-08-11 Process for removal and stabilization of arsenic and heavy metals from residual acids with high arsenic content, which involves contacting the effluent to be treated with hydrogen sulfide and precipitating insoluble arsenic sulphides at ph less than 2; and system for the removal and stabilization of arsenic from acidic industrial effluents, mainly liquids from the washing of non-ferrous metal smelting gases. CL2008002358A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CL2008002358A CL2008002358A1 (en) 2008-08-11 2008-08-11 Process for removal and stabilization of arsenic and heavy metals from residual acids with high arsenic content, which involves contacting the effluent to be treated with hydrogen sulfide and precipitating insoluble arsenic sulphides at ph less than 2; and system for the removal and stabilization of arsenic from acidic industrial effluents, mainly liquids from the washing of non-ferrous metal smelting gases.
PCT/CL2009/000010 WO2010017652A1 (en) 2008-08-11 2009-08-11 Process and system for separation, recycling and sustainable environmental stabilisation of acid effluents with arsenic (as) and/or heavy metals which form insoluble sulphides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CL2008002358A CL2008002358A1 (en) 2008-08-11 2008-08-11 Process for removal and stabilization of arsenic and heavy metals from residual acids with high arsenic content, which involves contacting the effluent to be treated with hydrogen sulfide and precipitating insoluble arsenic sulphides at ph less than 2; and system for the removal and stabilization of arsenic from acidic industrial effluents, mainly liquids from the washing of non-ferrous metal smelting gases.

Publications (1)

Publication Number Publication Date
CL2008002358A1 true CL2008002358A1 (en) 2009-02-27

Family

ID=41668625

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008002358A CL2008002358A1 (en) 2008-08-11 2008-08-11 Process for removal and stabilization of arsenic and heavy metals from residual acids with high arsenic content, which involves contacting the effluent to be treated with hydrogen sulfide and precipitating insoluble arsenic sulphides at ph less than 2; and system for the removal and stabilization of arsenic from acidic industrial effluents, mainly liquids from the washing of non-ferrous metal smelting gases.

Country Status (2)

Country Link
CL (1) CL2008002358A1 (en)
WO (1) WO2010017652A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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WO2009039655A1 (en) 2007-09-26 2009-04-02 Bioteq Environmental Technologies Inc. Selective sulphate removal by exclusive anion exchange from hard water waste streams
US9085779B2 (en) 2008-02-12 2015-07-21 Bioteq Environmental Technologies Inc. Processes for producing h2s using sulphur-reducing bacteria
CN102153141B (en) * 2010-12-30 2012-05-30 甘肃锦世化工有限责任公司 Method for reducing trace element lead in sodium dichromate and chromic anhydride products
CN102491477B (en) * 2011-11-25 2013-04-10 中南大学 Method for removing mercury from high concentration acid
CN102897885B (en) * 2012-10-26 2016-04-27 广西南宁东和新赢环保技术有限公司 The method of sulfuric acid industry Two-way Cycle jet-type arsenic removal
CN103880111B (en) * 2014-03-28 2015-01-21 中国地质大学（武汉） Arsenic removal method based on surface in-situ iron plating technology
CN104496000B (en) * 2014-12-16 2016-05-18 浙江工业大学 The method of arsenic in water body, antimony is removed and is reclaimed in a kind of copper powder displacement
CN104591333A (en) * 2014-12-16 2015-05-06 中国地质大学（武汉） In-situ oxidation iron plating arsenic removal process based on quartz sand supporting
CN105621744B (en) * 2016-03-07 2018-04-06 山东国信环境系统股份有限公司 Copper mine acid waste water handles retracting device and its method
CA3038721A1 (en) 2016-09-30 2018-04-05 Mayo Foundation For Medical Education And Research Viral vectors for nuclear reprogramming
CN107670486A (en) * 2017-11-29 2018-02-09 洛阳市天誉环保工程有限公司 The arsenic removing apparatus and arsenic removal process of sintering device flue gas
CN112312994A (en) * 2018-04-18 2021-02-02 克莱恩有限公司 Method for separating heavy metals and/or sulphur species from ionic liquids
CN109019817A (en) * 2018-08-16 2018-12-18 正坚建设有限公司 A kind of municipal wastewater processing unit and its application method
CN109399832A (en) * 2018-11-27 2019-03-01 中国恩菲工程技术有限公司 The processing method of acid heavy metal wastewater
CN111620481B (en) * 2020-07-29 2020-10-16 湖南大青生态科技有限公司 Recycling treatment method of industrial wastewater containing chlorine and arsenic
CN112062246A (en) * 2020-09-09 2020-12-11 昆明理工大学 Method for preparing polyaluminum ferric chloride water purifying agent by using waste hydrochloric acid containing iron, arsenic and various heavy metals generated by hydrometallurgy of germanium
CN112897752A (en) * 2021-01-26 2021-06-04 北京师范大学 Treatment method of domestic drinking water
CN114956369B (en) * 2022-04-25 2023-10-31 金川集团股份有限公司 Method for removing heavy metal nickel copper zinc from ammonium-containing wastewater

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420487B (en) * 1980-03-05 1981-10-12 Boliden Ab PROCEDURE FOR CLEANING OF HEAVY METAL CONTAINING ACID WATER SOLUTION
US4432880A (en) * 1981-12-10 1984-02-21 Richard S. Talbot And Associates Process for the removal of heavy metals from aqueous solution
ES2019009A6 (en) * 1989-12-29 1991-05-16 Espanoles Fertilizantes Removing arsenic and other metals from waste water - by treating with hydrogen sulphide and removing pptd. sulphide(s)
DE69605450T2 (en) * 1995-01-14 2000-07-06 Niels Ole Vesterager METHOD FOR TREATING A BIOMASS FOR REMOVING HEAVY METALS WITH HYDROGEN SULFUR

Also Published As

Publication number Publication date
WO2010017652A1 (en) 2010-02-18

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