Investigation of the Usability of Perlite Waste for Dyestuff Removal from Aqueous Solution

Year 2020, Volume: 24 Issue: 1, 224 - 230, 01.02.2020

Uğur Selengil , Tijen Ennil Bektaş

https://doi.org/10.16984/saufenbilder.643702

Cited By: 1

Abstract

In this study, unexpended perlite waste obtained from a
factory producing expanded perlite was used as adsorbent. Malachite green (MY),
which is a cationic dyestuff, was used as adsorbed material. The pore properties including
the BET surface area, pore volume and average pore diameter were characterized. The
chemical composition of the perlite was analysed by XRF.  The effects of initial pH,
the amount of adsorbent, contact time and initial dyestuff concentration were
examined. The adsorption kinetics of dyestuff obeys the pseudo second-order kinetic model. The experimental data indicated that the
adsorption isotherms are well described by the Langmuir isotherm equation. 99% dyestuff removal
was obtained under optimum conditions. As a result, it was found that
perlite waste was a suitable adsorbent for malachite green dyestuff.

Keywords

Perlite waste, dyestuff, adsorption, isotherm

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