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     Advance Journal of Food Science and Technology

    Abstract
2015(Vol.7, Issue:7)
Article Information:

Kinetic and Equilibrium Studies for the Removal of Bromate by the Modified Activated Carbon

Muqing Qiu and Shuiying Xiong
Corresponding Author:  Shuiying Xiong 
Submitted: November ‎7, ‎2014
Accepted: December ‎18, ‎2014
Published: March 05, 2015
Abstract:
Bromate which was formed bromide dissolved in water during the ozonation process, is carcinogenic and mutagenic to humans. To avoid bromate damage, many countries strictly control its concentration in drinking water. Activated carbon is an effective adsorbent material widely used in water treatment. In order to enhance the adsorption of bromate ion on activated carbon, the modified activated carbon was obtained from granular activated carbon by chemical activation using cationic surfactant as an activator. The adsorption characteristics of bromate ion on the modified activated carbon were investigated through adsorption experiments. The effects of temperature, pH in solution, contact time and initial bromate concentration on bromate adsorption by the modified activated carbon were investigated. The experimental data were analyzed by the Langmuir and Freundlich models of adsorption. Kinetic adsorption data were analyzed by the pseudo-first-order kinetic model and the pseudo-second-order model, respectively.

Key words:  Activated carbon, adsorption, bromate, equilibrium, kinetic, ,
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Cite this Reference:
Muqing Qiu and Shuiying Xiong, . Kinetic and Equilibrium Studies for the Removal of Bromate by the Modified Activated Carbon. Advance Journal of Food Science and Technology, (7): 548-552.
ISSN (Online):  2042-4876
ISSN (Print):   2042-4868
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