ORIGINAL RESEARCH
Enhanced Removal of Golden XGL Dye by Clay
Composites: Batch and Column Studies
Sana Nausheen1, Haq Nawaz Bhatti1, Muhammad Asif Hanif1, Khalil-ur-Rehman2
1Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
2Department of Biochemistry, University of Agriculture, Faisalabad, Pakistan
2Department of Biochemistry, University of Agriculture, Faisalabad, Pakistan
Submission date: 2016-12-08
Final revision date: 2017-01-14
Acceptance date: 2017-01-16
Online publication date: 2017-08-28
Publication date: 2017-09-28
Pol. J. Environ. Stud. 2017;26(5):2113–2123
KEYWORDS
adsorption kineticsadsorption isothermadsorption capacityGolden XGLadsorbentclay compositeadsorptionequilibrium isotherm
TOPICS
ABSTRACT
The adsorption potential of native clay and clay composites was investigated for Golden XGL dye
removal from aqueous solution in batch and fixed-bed column modes. Morphological structure and
functional groups of the adsorbent were determined by Fourier transform infrared spectroscopy analysis.
In batch adsorption studies maximum adsorption capacity was determined by optimization of operational
parameters, i.e., pH, adsorbent dose, contact time, initial dye concentration, and temperature. The effects
of initial dye concentration, adsorbent bed height, and influent flow rate on fixed-bed column adsorption
breakthrough curves were also evaluated. The obtained data was analyzed by the application of different
equilibrium and kinetic models. Adsorption of Golden XGL dye onto native clay and clay composites was
spontaneous, exothermic, and had great affinity between the adsorbate and adsorbent. The findings of this
study revealed that clay composites are a potential adsorbent for cationic dye pollution remediation.
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