Fluoride removal from drinking water by adsorption using bone char as a biosorbent
Source: International Journal of Environmental Technology and Management, Volume 9, Number 1, 20 April 2008 , pp. 59-69(11)
Publisher: Inderscience Publishers
Abstract:As a biomass material, bone char was investigated for the feasibility to be used as a cost‐effective biosorbent for fluoride removal from drinking water in groundwater environment. Based on the batch tests with natural tourmalin and active alumina being the reference adsorbents, bone char has demonstrated a higher fluoride adsorption capacity. This capacity was found to increase with the increase of fluoride concentration. Furthermore, bone char‐based column adsorption experiments indicated that the fluoride removal could be significantly affected by flow rate and bed height. A mass transfer model developed in this study can be used to optimise the bed configuration and operation parameters. Experimental results and predicted data by the model have shown good consistency. A full‐scale bone char fixed‐bed to treat fluoride‐containing groundwater in Northeast China has been successfully operated.
Document Type: Research Article
Affiliations: 1: Department of Chemistry, Dalian University of Technology, Dalian 116024, PR China; School of Architecture, Landscape and Civil Engineering, Centre for Water Resources Research, University College Dublin, Earlsfort Terrace, Dublin 2, Ireland. 2: Department of Chemistry, Dalian University of Technology, Dalian 116024, PR China. 3: School of Architecture, Landscape and Civil Engineering, Centre for Water Resources Research, University College Dublin, Earlsfort Terrace, Dublin 2, Ireland
Publication date: 2008-04-20
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