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Abstract
The kinetics of sorption of Pb ions by zeolite tuff treated with NaCl solution was studied using agitated batch laboratory apparatus. The uptake of ions was determined as a function of time at different values of initial Pb ion concentration, zeolite particle size, slurry concentration, solution temperature and pH. The pseudo-second order reaction model was successfully applied to the experimental data with correlation coefficients higher than 0.98. Sorption rates decreased with increase in average particle diameter while it increased with increase in each of the initial Pb ion concentration, slurry concentration, solution temperature and solution pH. Results indicate the importance of chemisorption.
ACKNOWLEDGMENT
The authors would like to acknowledge the financial support of the Deanship of Academic Research at the University of Jordan.