fotocatálise heterogênea com tio2 para oxidação de arsênio e sua remoção de águas por coprecipitação com sulfato férrico heterogeneous photocatalysis with tio2 for the oxidation of arsenic and its removal from water by coprecipitation with ferric sulfate

Clicks: 208
ID: 156112
2009
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Abstract
The oxidation of arsenic (As(III) to As(V)) in water samples was performed by heterogeneous photocatalysis using a TiO2 film immobilized inside a photochemical reactor. After oxidation, As(V) was removed from the water samples by coprecipitation with ferric sulfate. The final conditions of oxidation and arsenic removal (TiO2 film prepared with a suspension: 10% (w/v); pH: 7.0; oxidation time: 30 min and Fe3+ concentration: 50 mg L-1) were applied in natural water samples which were supplemented with 1.0 mg L-1 of As(III) to verify the influence of the matrix. After treatment, more than 99% of arsenic was removed from the water.
Reference Key
mendes2009qumicafotocatlise Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Gisele Mendes;Carlos Roberto Bellato;José de Oliveira Marques Neto
Journal greece and rome
Year 2009
DOI
10.1590/S0100-40422009000600021
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000600021
Keywords
photocatalysis oxidation arsenic removalchemistry

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