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Cellulose/Collagen Beads Prepared Using Ionic Liquid for Cu(II) Adsorption from Aqueous Solutions

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Abstract:

Biodegradable cellulose/collagen beads were successfully prepared by coagulating a blend of cellulose and collagen using 1–butyl–3–methylimidazolium chloride ([C4mim]Cl). The copper ions (Cu(II)) adsorption from aqueous solutions using the prepared beads were investigated at 15 °C as a function of initial concentrations, adsorbents types and adsorption time. The results show that Cu(II) adsorption amount increases with increasing initial concentration. Cellulose/collagen beads can absorb more Cu(II) than cellulose beads and the adsorption equilibrium can be achieved at 30 min. The maxinum adsorption amount of the cellulose/collagen beads (1/1, wt/wt) is estimated to be 0.51 mmol/g. The 90% absorbed Cu(II) on the composite beads can be desorbed by treating with 1 mol/L HCl solution for 180 min.

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Periodical:

Advanced Materials Research (Volumes 535-537)

Pages:

2365-2369

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.535-537.2365

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Online since:

June 2012

Authors:

Ji Lei Wang, Ming Hui Li, Li Gang Wei, Ying Chong Ma, Kun Lan Li, Ya Chen Yu

Keywords:

Adsorption, Cellulose, Collagen, Cu(II), Ionic Liquid (IL)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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