Adsorptive removal of methylene blue using magnetic biochar derived from agricultural waste biomass: Equilibrium, isotherm, kinetic study

Ruthiraan, M, Abdullah, E, Mubarak, N and Nizamuddin, S 2018, 'Adsorptive removal of methylene blue using magnetic biochar derived from agricultural waste biomass: Equilibrium, isotherm, kinetic study', International Journal of Nanoscience, vol. 17, no. 5, pp. 1-12.


Document type: Journal Article
Collection: Journal Articles

Title Adsorptive removal of methylene blue using magnetic biochar derived from agricultural waste biomass: Equilibrium, isotherm, kinetic study
Author(s) Ruthiraan, M
Abdullah, E
Mubarak, N
Nizamuddin, S
Year 2018
Journal name International Journal of Nanoscience
Volume number 17
Issue number 5
Start page 1
End page 12
Total pages 12
Publisher World Scientific Publishing Co. Pte Ltd
Abstract Wastewater discharge from textile industries contribute much to water pollution and threaten the aqua ecosystem balance. Synthesis of agriculture waste based adsorbent is a smart move toward overcoming the critical environmental issues as well as a good waste management process implied. This research work describes the adsorption of methylene blue dye from aqueous solution on nickel oxide attached magnetic biochar derived from mangosteen peel. A series of characterization methods was employed such as FTIR, FESEM analysis and BET surface area analyzer to understand the adsorbent behavior produced at a heating temperature of 800∘C for 20min duration. The adsorbate pH value was varied to investigate the adsorption kinetic trend and the isotherm models were developed by determining the equilibrium adsorption capacity at varied adsorbate initial concentration. Equilibrium adsorption isotherm models were measured for single component system and the calculated data were analyzed by using Langmuir, Freundlich, Tempkin and DubininRadushkevich isotherm equations. The Langmuir, Freundlich and Tempkin isotherm model exhibit a promising R2-correlation value of more than 0.95 for all three isotherm models. The Langmuir isotherm model reflectsan equilibrium adsorption capacity of 22.883mg⋅g−1.
Keyword(s) kinetic
Magnetic biochar
mangosteen
methylene blue dye
muffle furnace
nickel oxide
DOI - identifier 10.1142/S0219581X18500023
Copyright notice © 2018 World Scientific Publishing Company.
ISSN 0219-581X
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