Surface Modified Bagasse Fly Ash Zeolites for Removal of Reactive Black-5

Zeolites were synthesized form Bagasse fly ash using the mixture of sodium hydroxide and sodium chloride by conventional as well as microwave heating, for the effective removal of reactive black-5 from aqueous solution. The virgin and synthesized sorbents were characterized by XRD, XRF, SEM, and FTI...

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Bibliographic Details
Published in:Journal of dispersion science and technology 2011-09, Vol.32 (9), p.1247-1255
Main Authors: Shah, Bhavna A., Shah, Ajay V., Mistry, Chirag B., Tailor, Ritesh V., Patel, Harendra D.
Format: Article
Language:English
Subjects:
Bagasse
Bagasse fly ash
Chemistry
Colloidal state and disperse state
Dyes
Exact sciences and technology
Fly ash
General and physical chemistry
Ion-exchange
Isotherms
kinetics
Mathematical models
reactive black-5
Sorbents
Sorption
Surface physical chemistry
zeolite
Zeolites
Zeolites: preparations and properties
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Summary:Zeolites were synthesized form Bagasse fly ash using the mixture of sodium hydroxide and sodium chloride by conventional as well as microwave heating, for the effective removal of reactive black-5 from aqueous solution. The virgin and synthesized sorbents were characterized by XRD, XRF, SEM, and FTIR. The influence of operating variables such as pH, contact time, sorbent dose, initial dye concentration and temperature were evaluated. The Langmuir and Freundlich isotherm model best represents the equilibrium data than the Temkin isotherms for the sorption of dye. Sorption kinetics can be best represented by a pseudo-second-order rate expression.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2010.505550