Release of dyeing effluents into water is one of the major
factors contributing to water pollution. Eriochrome black T (EBT) is a
synthetic dye which causes serious water pollution and affects humans due to
its carcinogenic nature. This chapter emphasises the removal of EBT by the
utilisation of GG-g-PMMA/bentonite composite by the process of adsorption. The
adsorption experiments were carried out batch-wise in acidic as well as
alkaline media. The concentration of dye was determined using a UV-Visible spectrophotometer.
The various reaction parameters, such as pH, dye concentration, time till
adsorption was carried out and adsorbent dose, were thoroughly studied to
optimise the conditions for the removal of dye using the composite. The results
obtained indicate that the prepared composite showed the maximum percentage
removal of 89 % at 6 pH value. Freundlich and Langmuir isotherms were employed
to evaluate the adsorption property of the composite. The results obtained show
that the adsorption of dye on the surface of the composite follows Langmuir
adsorption. Pseudo-first-order and pseudo-second-order equations were applied
for the kinetic study. The findings indicate that pseudo second order kinetic
reaction clearly explains the data obtained on the basis of the correlation
coefficient.
Author(s) Details
Kartika Rathore
Applied and Environmental Chemistry Laboratory, Department of Chemistry,
Jai Narain Vyas University, Jodhpur–342011, Rajasthan, India.
Sangeeta Loonker
Applied and Environmental Chemistry Laboratory, Department of Chemistry,
Jai Narain Vyas University,
Jodhpur–342011, Rajasthan, India.
Please see the book here :- https://doi.org/10.9734/bpi/cmsrf/v6/6885
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