Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Removal of Cd(II) by adsorption on agricultural waste biomass
Author(s): Hossein Azarpira, Yousef Mahdavi and Davoud BalarakThe adsorption of Cd(II) from aqueous solution using Canola biomass was investigated in a batch system. The effect of various factors such as contact time, initial concentration of Cd(II), amount of adsorbent and size of adsorbent particles of solution on the adsorption capacity of Canola biomass was determined. The equilibrium contact time was obtained to be 75 minutes indicating fast adsorption. The adsorption of Cd(II) on Canola biomass was observed to increase from 3.24 to 25.16 mg/g with increase in initial Cd(II) concentration from 10 to 100 mg/L. Kinetic and isotherm studies indicate that the adsorption of Cd(II) was best described by the pseudo-second order kinetic equation and Langmuir isotherm equations respectively. Results obtained indicate that Canola biomass can be used as an efficient adsorbent for the removal of Cd(II) from aqueous solution.
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