title: Biosorption of chromium(VI) from aqueous solution by cone biomass of Pinus sylvestris.
abstract: Biosorption of chromium(VI) on to cone biomass of Pinus sylvestris was studied with variation in the parameters of pH, initial metal ion concentration and agitation speed. The biosorption of Cr(VI) was increased when pH of the solution was decreased from 7.0 to 1.0. The maximum chromium biosorption occurred at 150 rpm agitation. An increase in chromium/biomass ratio caused a decrease in the biosorption efficiency. The adsorption constants were found from the Freundlich isotherm at 25 degrees C. The cone biomass, which is a readily available biosorbent, was found suitable for removing chromium from aqueous solution.
authors.affiliation: Department of Environmental Engineering, Atatürk University, Erzurum, Turkey
authors.forename: Handan
authors.initials: H
authors.lastname: Ucun
authors.forename: Y Kemal
authors.initials: YK
authors.lastname: Bayhan
authors.forename: Yusuf
authors.initials: Y
authors.lastname: Kaya
authors.forename: Avni
authors.initials: A
authors.lastname: Cakici
authors.forename: O Faruk
authors.initials: OF
authors.lastname: Algur
mesh_terms: D000327:Adsorption; D018533:Biomass; D001709:Biotechnology; D002857:Chromium / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D028223:Pinus / Q000378:metabolism*; D041605:Pinus sylvestris; D013696:Temperature; D014865:Waste Disposal, Fluid / Q000379:methods*
chemical_list: D002857:Chromium