Removal of Cu++ ions from aqueous solution by bisorbent based on Lagenaria vulgaris shell | Uklanjanje Cu++ jona iz vodenih rastvora biosorbentom na bazi kore Lagenaria vulgaris
2009
Bojic, A., Univerzitet u Nisu, Nis (Serbia). Prirodno-matematicki fakultet, Odsek za hemiju | Mitic-Stojanovic, D.L., JP Vodovod, Vranje (Serbia) | Bojic, d., Univerzitet u Nisu, Nis (Serbia). Prirodno-matematicki fakultet, Odsek za hemiju | Andjelkovic, T., Univerzitet u Nisu, Nis (Serbia). Prirodno-matematicki fakultet, Odsek za hemiju
This study investigates the effect of pH, temperature, contact time and initial metal concentration on Cu++ ions removal from water solutions, using biomass of Lagenaria vulgaris skin (LV). With higher pH, the efficiency of copper sorption increases and reaches its maximum at pH 7.0. Temperature has negative effect on sorption process due to its exothermic properties. Biosorption efficiency increases with time and reaches equilibium after 40 min. Increasing initial copper concentration gives an increase in biosorbent sorption capacity, and a proportional decrease in treatment efficiency. Obtained results have shown that LV based biosorbent is an efficient and available mean for toxic metal removal from natural and waste waters.
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