Abstract
Acid activated date palm tree powder is proposed as an adsorbent for
the removal of acid dye, Acid Blue 92, in this study. The influence of
operating variables like solution pH, adsorbent dosage and initial dye
concentration are studied thoroughly to evaluate the optimum conditions.
Maximum adsorption was found to take place at pH 2.0 while equilibrium was
achieved in 6 h. The mechanism of adsorption was explored by Pseudo-second
order and Elovich models and it was found that this sorption process is well
represented by Elovich model with a higher value of R
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