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The kinetic, equiLibrium and thermodynamics of Cr(VI) adsorption from aqueous solution on cetylpyridinium bromide (CPB) modified zeoLite were investigated. CPB modified zeoLite displayed a good affinity to Cr(VI) in aqueous solution, and its Cr(VI) adsorption capacity decreased with the increase of the temperature. The kinetics of adsorption of Cr(VI) were discussed using the pseudo-first-order and...
A new cerium-loaded cation exchange resin adsorbent for arsenite was prepared by impregnating cerium onto cation exchange resin. Batch adsorption experiments under various conditions, such as time, temperature, pH and coexistent ions were carried out to evaluate the adsorption characteristics of Ce-loaded resin in the removal of As(III) from aqueous solutions. The results show that the adsorption...
Wastewater containing Cadmium ion could be effectively removed by hydroxyapatite (HAP). Experimental results indicated that Cd removal percentage increased by increasing HAP dosage, solution pH, and reaction time. Cd removal percentage could approach 100%. There existed two stages from kinetic point of view. At the earlier stage, reaction rate was so fast that its kinetic process was intricate. At...
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