Biomassa residual para remoção de íons uranilo
AUTOR(ES)
Boniolo, Milena Rodrigues, Yamaura, Mitiko, Monteiro, Raquel Almeida
FONTE
Química Nova
DATA DE PUBLICAÇÃO
2010
RESUMO
Activities related to nuclear industry, production of phosphoric acid and hospitals have generated considerable volumes of radioactive waste containing uranyl ions. Banana pith was characterized by Scanning Electron Microscopy and Fourier Transform Infrared Spectroscopy and was investigated as a biosorbent for uranyl ions from nitric solutions by batch experiments. Influences of adsorbent size, kinetics and equilibrium adsorption were studied. The biosorption of the uranyl ions followed pseudo-second-order kinetics. The adsorption isotherm data were closely fitted to the Freundlich equation.
Documentos Relacionados
- Study of magnetite as adsorbent material of uranyl ions
- Modelos de minimização de biomassa residual
- Utilização de microemulsões como agentes modificadores de superfícies para remoção de íons metálicos
- Desenvolvimento de um método empregando quitosana para remoção de íons metálicos de águas residuárias
- Reator eletroqu¡mico de bancada para remoção de íons de metais a partir de efluentes industriais