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Aquatic arsenic: Toxicity, speciation, transformations, and remediation

Sharma, Virender K. ; Sohn, Mary

Environment international, 2009-05, Vol.35 (4), p.743-759 [Periódico revisado por pares]

Oxford: Elsevier Ltd

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Título:
Aquatic arsenic: Toxicity, speciation, transformations, and remediation
Autor: Sharma, Virender K. ; Sohn, Mary
Assuntos: Adsorption ; Air. Soil. Water. Waste. Feeding ; Animal, plant and microbial ecology ; Applied ecology ; Applied sciences ; Arsenic ; Arsenic - analysis ; Arsenic - classification ; Arsenic - toxicity ; Biogeochemistry ; Biological and medical sciences ; Biotransformation ; Earth sciences ; Earth, ocean, space ; Ecotoxicology, biological effects of pollution ; Engineering and environment geology. Geothermics ; Environment. Living conditions ; Environmental Restoration and Remediation ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; General aspects ; Humans ; Medical sciences ; Oxidation ; Pollution ; Pollution, environment geology ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; Remediation ; Toxicity ; Water Pollutants, Chemical - analysis ; Water Pollutants, Chemical - classification ; Water Pollutants, Chemical - toxicity ; Water Purification - methods ; Water treatment and pollution
É parte de: Environment international, 2009-05, Vol.35 (4), p.743-759
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: This paper reviews the current knowledge on the toxicity, speciation and biogeochemistry of arsenic in aquatic environmental systems. The toxicity of arsenic is highly dependent on the chemical speciation. The effects of pH, E h, adsorbing surfaces, biological mediation, organic matter, and key inorganic substances such as sulfide and phosphate combine in a complex and interwoven dynamic fashion to produce unique assemblages of arsenic species. The number of different arsenic species found in environmental samples and an understanding of the transformations between arsenic species has increased over the past few decades as a result of new and refined analytical methods. Changes in arsenic speciation and in total arsenic content of foods upon processing have suggested possible risks associated with processed and unprocessed food. Arsenic removal from water using adsorbents, chemical oxidation, photolysis and photocatalytic oxidation techniques is also reviewed.
Editor: Oxford: Elsevier Ltd
Idioma: Inglês

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Aquatic arsenic: Toxicity, speciation, transformations, and remediation

Sharma, Virender K. ; Sohn, Mary

Oxford: Elsevier Ltd

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