Removal of Silver from Aqueous Solution by <i>Azotobacter chroococcum</i> XU1 Biomass and Exopolysaccharide
Bakhtiyor A. RasulovChinese Academy of SciencesAbulimiti YiliThe Key Laboratory of Plant Resources and Chemistry of Arid Zone, China Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, ChinaHaji Akber AisaThe Key Laboratory of Plant Resources and Chemistry of Arid Zone, China Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, China
ABI
Аннотация
Biosorption of silver ions onto A. chroococcum XU1 biomass and exopolysaccharide (EPS) was investigated. It was found that the overall biosorption process was the best when cell biomass and EPS were used together. Metal adsorption experiments showed that the final precipitate obtained by cell biomass and EPS, contained 7.85% of Ag. Based on the results presented in this study, the biomass and EPS of A. chroococcum XU1 indicated the possibility of application of them as biosorbent for removal of silver from waste waters.
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