Removal of Fluoride from Aqueous Solution Using a Waste Material

G. Babu Rao; G. Kalyani; B. Vijaya Saradhi; Y. Prasanna Kumar

Removal of Fluoride from Aqueous Solution Using a Waste Material

G. Babu Rao ¹, G. Kalyani ¹, B. Vijaya Saradhi ², Y. Prasanna Kumar ³

Affiliations
1 Department of Chemical Engineering, GMR Institute of Technology, Rajam-532 127, A.P., India
2 Department of Civil Engineering, A.U. College of Engineering, Visakhapatnam-530 003, A.P., India
3 Department of Chemical Engineering, Vignan’s Engineering College, Vadlamudi-522 213, A.P., India

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This communication presents results pertaining to the adsorptive studies carried out on fluoride removal onto an algal biosorbent (Ulva fasciata). Batch sorption studies were performed and the results revealed that biosorbent demonstrated ability to adsorb the fluoride. Influence of varying conditions for removal of fluoride such as the fluoride concentration, the dosage of adsorbent, the size of adsorbent, and the concentration of metal solution was investigated. Experimental data showed good fit with the Langmuir's adsorption isotherm model. Maximum fluoride sorption was observed at 30°C operating temperature.