Open AccessCrystal Violet Dye Adsorption from Aqueous Solution using Activated Chickpea Husk (Cicer arientum)
Author(s) -
Sonia Rani,
Sudesh Chaudhary
Publication year - 2021
Publication title -
asian journal of chemistry/asian journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.145
H-Index - 34
eISSN - 0975-427X
pISSN - 0970-7077
DOI - 10.14233/ajchem.2022.23444
Subject(s) - crystal violet , adsorption , chemistry , sorption , freundlich equation , husk , fourier transform infrared spectroscopy , langmuir , langmuir adsorption model , aqueous solution , nuclear chemistry , scanning electron microscope , biosorption , chemical engineering , organic chemistry , botany , materials science , composite material , medicine , pathology , engineering , biology
The chickpea husk (Cicer arientum) were activated by chemical modification with sulphuric acid, forits application as biosorbent for the remediation of crystal violet dye from wastewater. Activatedchickpea husk (ACH) was characterized for its chemical structure and morphology using Fouriertransform infrared spectroscopy (FTIR) and scanning electron microscope (SEM). The after effects ofleading affecting parameters like dose of adsorbent, time of contact, pH and concentration were studiedby commencing experiments in batch mode. Adsorption mechanism and sorption efficiency of ACHwas examined using variety of isotherms (Langmuir & Freundlich) and kinetic models (pseudo firstorder and pseudo second order). Experimental data for adsorption rate was in good harmony with theresults obtained using pseudo second order model. The adsorption capacity determined using Langmuirisotherm and pseudo second order model was found to be 142.85 mg/g.