Volume 4, Issue 1 (24 2011)                   ijhe 2011, 4(1): 35-48 | Back to browse issues page

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Jorfi S, Rezaei Kalantary R, Mohseni Bandpi A, Jaafarzadeh Haghighifard N, Esrafili A, Alaei L. Fluoride Removal from Water By Adsorption using Bagasse, Modified Bagasse and Chitosan. ijhe. 2011; 4 (1) :35-48
URL: http://ijhe.tums.ac.ir/article-1-84-en.html
Abstract:   (10556 Views)

Background and Objectives: Fluoride is widely used in industries such as manufacture of semiconductors, power plants, glass production etc and release to the environment via their effluents. The purpose of this sturdy was to compare the efficiency of low price adsorbents in fluoride removal from water.
Materials and Methods: The optimum values of pH, contact time and adsorbent dosage were determined and different concentrations of fluoride were experimented in lab scale conditions for bagasse, modified bagasse and chitosan. Then Langmuir and Freundlich coefficient were determined based on optimum conditions.
Results: The pH value of 7, contact time of 60 min and adsorbent dosage of 2 g/L were determined as optimum conditions for all three adsorbents. The most fluoride removal efficiency of 91% was obtained for modified bagasse in optimum conditions.
Conclusion: Based on data obtained in this study, it can be concluded that adsorption by modified bagasse is an efficient and reliable method for fluoride removal from liquid solutions.

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Type of Study: Research | Subject: General
Received: 2010/10/23 | Accepted: 2011/01/18 | Published: 2013/07/8

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