Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 18, Issue 5, Pages 1751-1757Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2012.03.020
Keywords
Adsorption; Boron; Lead; Nickel; Kinetics; Isotherm
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The present study examined the use of waste containing boron impurity (BC) from boron enrichment plant for the removal of lead (II) and nickel (II) from aqueous solutions. The effects of pH, contact time, initial dye concentration, adsorbent dosage, and temperature on the adsorption process were examined. Residual lead and nickel concentration reached in equilibrium in 90 min and the rate of adsorption by BC was rapid in the first 45 min of the reaction time. The pseudo- second-order kinetic model best described the kinetic of the adsorption. Batch adsorption studies showed that the adsorption patterns followed Langmuir isotherm model. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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