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Dotto, Guilherme Luiz; Vieira, Mery Luiza Garcia; Esquerdo, Vanessa Mendonça; Pinto, Luiz Antonio de Almeida
(Abeq, 2013)
The equilibrium and thermodynamics of azo dye (tartrazine and allura red) biosorption onto Spirulina platensis biomass were investigated. The equilibrium curves were obtained at 298, 308, 318 and 328 K, and four isotherm ...
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Piccin, Jeferson Steffanello; Dotto, Guilherme Luiz; Vieira, Mery Luiza Garcia; Pinto, Luiz Antonio de Almeida
(ACS, 2011)
The kinetics and mechanism of the food dye disodium 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-2-naphthalenesulfonate (FD&C Red 40) adsorption onto chitosan were studied. The effects of pH (5.7 to 7.4), chitosan ...
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Dotto, Guilherme Luiz; Vieira, Mery Luiza Garcia; Gonçalves, Janaína Oliveira; Pinto, Luiz Antonio de Almeida
(Sociedade Brasileira de Química, 2011)
This work compared activated carbon, activated earth, diatomaceous earth, chitin and chitosan to removal acid blue 9, food yellow 3 and FD&C yellow n° 5 dyes from aqueous solutions with different pH values (2-10). In the ...
