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World Journal of Pharmacy and
Pharmaceutical Sciences

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical and Medical Research and Technology

Impact Factor : 8.025

ICV : 84.65

WJPPS Citation

	All	Since 2019
Citation	5450	3969
h-index	23	20
i10-index	134	84

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WJPPS: NOVEMBER ISSUE PUBLISHED

NOVEMBER 2024 Issue has been successfully launched on 1 NOVEMBER 2024.

Abstract

SPECTROSCOPIC ANALYSIS OF CRYSTAL VIOLET DYE REMOVAL BY SIDA RHOMBIFOLIA: KINETIC, EQUILIBRIUM, THERMODYNAMIC STUDIES

N.P.Krishnan, M. Ilayaraja, R.Karthik, R. Sayee Kannan*

ABSTRACT

The kinetics, adsorption isotherms, thermodynamics and spectroscopic analysis of the removal of the crystal violet dye by adsorption onto Sida Rhombifolia were studied. The surface area of Sida Rhombifolia activated carbon (SRAC) was found to be 18.14 m2/g. Batch adsorption experiments were conducted using dye solution and the effects of initial dye concentration and contact time, adsorbent dose and temperature were investigated. The Sida Rhombifolia adsorbent was charactrerized using FTIR, SEM with EDAX, BET and XRD. The equilibrium adsorption data fitted very well with the Langmuir , Temkin and D-R isotherm model. The kinetic process followed the pseudo second order kinetic model Positive ΔHo and negative ΔGo were indicative of the endothermic and spontaneous nature respectively of Crystal violet removal by adsorption onto Sida Rhombifolia.

Keywords: Crystal violet, Sida rhombifolia, Langmuir, kinetic, adsorption.

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