ADSORPTION OF Zn(II) FROM AQUEOUS METAL SOLUTIONS BY USING CHEMICALLY MODIFIED AND UNMODIFIED SUGARCANE BAGASSE AS AGRICULTURAL ADSORBENT
Journal Title: Indian Journal of Scientific Research - Year 2018, Vol 8, Issue 2
Abstract
Adsorption of heavy metals contaminants from waste water ion one of the most important environmental and economic issue today. This paper presented the kinetics of Zn (II) ions adsorption from aqueous solutions, using chemically modified sugarcane bagasse (MSB) and unmodified sugarcane bagasse (USB) at temperature 30.0±0.5ºC and at different pH. The adsorption of Zn(II) by MSB increased nearly 11% against USB. Thus, chemical modification was found to be an effective source for promoting the efficiency of an adsorbent. Alkaline pH (above 7.0) inhibited adsorption of Zn (II). It might be due to either availability of small number sites in adsorbents or due to formation of hydrozinkate or zinakate ions. Thus, more adsorption of Zn (II) by chemically modified adsorbents sugarcane bagasse might be due to increase in surface area and chemical modification..
Authors and Affiliations
N. P. MISHRA
Keywords
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