Removal of As(III) and As(V) from water using a natural Fe and Mn enriched sample

The arsenic removal capacity of a natural oxide sample consisting basically of Mn-minerals (birnessite, cryptomelane, todorokite), and Fe-oxides (goethite, hematite), collected in the Iron Quadrangle mineral province in Minas Gerais, Brazil, has been investigated. As-spiked tap water and an As-rich...

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Bibliographic Details
Published in:Water research (Oxford) 2005-12, Vol.39 (20), p.5212-5220
Main Authors: Deschamps, Eleonora, Ciminelli, Virginia S.T., Höll, Wolfgang H.
Format: Article
Language:English
Subjects:
Adsorption
Applied sciences
Arsenic
Arsenic - chemistry
Arsenic - isolation & purification
Arsenic removal
Arsenic sorption
Drinking water and swimming-pool water. Desalination
Exact sciences and technology
Ferric Compounds - chemistry
Gold
Industrial Waste
Iron Compounds - chemistry
Iron–manganese sorbent
Manganese Compounds - chemistry
Minerals
Mining
Oxidation-Reduction
Pollution
Waste Disposal, Fluid
Water Pollutants, Chemical
Water Purification - methods
Water Supply
Water treatment and pollution
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Summary:The arsenic removal capacity of a natural oxide sample consisting basically of Mn-minerals (birnessite, cryptomelane, todorokite), and Fe-oxides (goethite, hematite), collected in the Iron Quadrangle mineral province in Minas Gerais, Brazil, has been investigated. As-spiked tap water and an As-rich mining effluent with As-concentrations from 100 μg L −1 to 100 mg L −1 were used for the experiments. Sorbent fractions of different particle sizes (
ISSN:0043-1354
1879-2448
DOI:10.1016/j.watres.2005.10.007