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2015, vol. 63, iss. 1, pp. 41-46
Hemp (Cannabis sativa) fibers as biosorbents and precursor for carbon sorbent production
aUniversity of Belgrade, Faculty of Technology and Metallurgy
bUniversity of Belgrade, Institute of Nuclear Sciences 'Vinča', Belgrade-Vinča
Abstract
Short and entangled hemp fibers, obtained as a waste from textile industry, were used as effici­ent biosorbent and low-cost precursor for carbon sorbent production. In order to obtain the biosorbents with better sorption properties, short hemp fibers were chemically modified. Also, chemical modification were used in order to attain the appropriate specific structure of hemp fibers based carbon precursor, that promote the formation of the required porosity and surface chemistry of the biocarbon to facilitate adsorption. Used hemp fibers based sorbents were characterized through the specific surface area, amount of surface functional gro­ups and pH of the point of zero charge. Sorption efficiency of hemp fibers based sorbents were tested through the adsorption of cadmium from water solution. Adsorption data will be used for development of filters based on hemp fibers and carbonized hemp fibers forpurification of water polluted with heavy metals.

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article language: Serbian
document type: Scientific Paper
published in SCIndeks: 11/06/2016

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