Year: 2024
Type: article
Abstract: In this research we have successfully removed a highly toxic dye, "Aniline Blue", from its aqueous solution employing an adsorbent, Hen Feathers.The dye adsorption over Hen Feather was comprehensively studied over ranges of contact time, pH, concentration, and adsorbent dosage, and the optimum values were evaluated.In order to understand the behaviour of the adsorption system, various isotherm models were evaluated at temperatures of 30, 40 and 50 • C. The data obtained from contact time studies were used to test pseudo-first and pseudo-second order kinetic models and it was found that the adsorption follows pseudo-second-order kinetics.Using the Langmuir constant, b, thermodynamic parameters including ΔG • , ΔH • and ΔS • were calculated and it was ascertained that the process is endothermic (positive ΔH • ), involves an increase in disorder (positive ΔS • ) and is spontaneous (negative ΔG • ).The values of the separation factor (r) also confirmed a favourable adsorption process at all three temperatures studied.Overall, it is affirmed that the adsorbent, Hen Feather, acts as highly potent scavenger to remove the dye Aniline Blue from its aqueous solutions.
Authors: Bharti Gaur, Jyoti Mittal, Hadi Hassan, Alok Mittal, Richard T. Baker
Language: English
Subfield: Water Science and Technology
Field: Environmental Science
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $1,000
Awards: G2225887160, G3619197477, The University of St Andrews - Equipment Account, G4400671045, G542141745, G552528449, G6025728253, G6788687432, G6996773814, Electron Microscopy for the Characterisation and Manipulation of Advanced Functional Materials and their Interfaces at the Nanoscale, Light Element Analysis Facility - LEAF
OpenAlex ID: W4401869993