Adsorption of strontium ions from aqueous solution on Pakistani coal |
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| Authors: | M S Shaukat M I Sarwar R Qadeer |
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| Institution: | (1) Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan;(2) Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan;(3) Pakistan Atomic Energy Commission, P.O. Box No. 1611, Islamabad, Pakistan |
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| Abstract: | Summary The adsorption of strontium ions from aqueous solution on a Pakistani coal powder has been studied as a function of shaking time, amount of adsorbent, pH, and strontium ion concentration. Conditions for the maximum adsorption of strontium ions have been established. Results reveal that the diffusion of strontium ions into the pores of coal powder occurs during the adsorption process and intra-particle diffusion controls the kinetics of the process. The Langmuir and D-R adsorption equations are valid over the entire range of studied concentration. The influence of different anions on the adsorption of strontium ions was also studied. |
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