Department of Chemistry, University of Allahabad, Allahabad, Uttar Pradesh 211002, India
Adv. Mater. Lett., 2016, 7 (12), pp 986-995
DOI: 10.5185/amlett.2016.6390
Publication Date (Web): Oct 12, 2016
Copyright © IAAM-VBRI Press
E-mail:singhvandanasingh@rediffmail.com
Poly(acrylamide) has been efficiently grafted onto Cassia fistula seed gum using ceric ammonium sulphate/sodium disulphite redox system. The conditions for obtaining optimum % grafting (208 %) and % efficiency (92 %) are: acrylamide = 0.16 M, ceric ammonium sulphate = 0.026 M, sodium disulphite = 0.050 M, Cassia fistula seed gum = 25 mL (0.4 % (w/v)), and temperature = 40 ± 0.2 ºC. Cassia fistula-graft-poly(acrylamide) (CF-g-PAM) was characterized using FTIR and SEM studies. CF-g-PAM could very efficiently capture “Reactive Blue (RBH5G)” dye from its aqueous solution. The copolymer did not dissolve even under highly acidic pH conditions and was able to remove 99.4 % dye from 100 mg L-1 dye solution under the optimized conditions (pH= 2, rpm = 150, adsorbent dose = 30 mg, temperature = 40 ºC, and contact time = 4 h). The adsorption equilibrium data are better explained by Freundlich isotherm, which indicated the presence of heterogeneous adsorption surface sites at CF-g-PAM. Langmuir adsorption isotherm, indicated significantly high Qmax (500 mg g-1) for the adsorption. The dye adsorption followed a pseudo second order kinetics (k’ = 5.3 x 10-3 g. mg-1 min-1), indicating chemisorption of the dye is taking place. The kinetic study also supported the intervention of some boundary layer control. The results revealed that ceric ammonium sulphate/and sodium disulphite redox system is an efficient system for grafting poly(acrylamide) onto Cassia fistula seed gum and CF-g-PAM behaved as an efficacious adsorbent for Reactive Blue H5G dye. In future, the material may be explored for the adsorption of other anionic azo dyes and may be developed as the proficient dye adsorbent.
Cassia fistula seed gum, poly(acrylamide), grafting, reactive blue dye, adsorption.
Advancing Materials towards Climate Neutrality by 2050
Efficiency of Nanomaterials for Electrochemical Diagnostics based Point-of-Care Detection of Non-Invasive Oral Cancer Biomarkers
Hybrid Membrane based on Polymer-doped Phosposilicate and their Characterization
A DFT Study of Interaction of (CdSe)3 Quantum Dots with Nucleobases
Low Resistance and High Electromigration Lifetime of Cu-To-Cu Joints Using (111)-Oriented Nanotwinned Copper
Electrochemical Hydrogen Evolution Reaction Triggered by Co2xMo1-xS2 (x = 0. 0.05 and 0.1) in Acidic Medium
Effect of La Dopant in Modified Bismuth Ferrite Ceramics
Biogenic Capped Silver Nanoparticles in Lablal Purpureus Pod Extract Exhibit Selective Antibacterial and Synergistic Anticancer Activity
Transforming Paradigm of Artificial Intelligence for Scalable Clinical Healthcare
A Review on Harnessing Nanomaterials as Promising Materials Interface
A New Epidemic Spreading Model to Predict the Spread and Accumulation of Corona Virus (COVID-19) Positive Cases as a Function of Time
Green Synthesis of ZnO and Ag-ZnO Nanoparticles using Macrotyloma Uniflorum: Evaluation of Antibacterial Activity
Feature Behavior of Resistivity in Bi Foils Obtained by a Melt Spinning Method
Thermomagnetic Properties of Metal and Metal-oxide Nanoparticles
Effect on Structural, Electrical and Temperature Sensing behavior of Neodymium Doped Bismuth Ferrite
Novel Green Chemistry Synthesis of Nano-Hydroxyapatite using Soya Milk as a Natural Stabiliser
Copyright ©2010-2021 VBRI Press
Full Article