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Asian Journal of Research in Chemistry
Year : 2018, Volume : 11, Issue : 2
First page : ( 445) Last page : ( 452)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2018.00081.0

Laplap purpureus (Dolichos Bean) plant stems used as biosorbent for the removal of Bismark Brown R dye from aqueous solution

Bharathidasan G.*, Mani N., Vishnuvardhanaraj G., Faizal K. Mohamed

PG and Research Department of Chemistry, A.V.V.M. Sri Pushpam College (Autonomous), Poondi, Thanjavur (Dt), Tamil Nadu, India

*Corresponding Author E-mail: gpdasangee@gmail.com

Online published on 2 June, 2018.


Adsorption of dyes using Biosorbent is an alternative method to remove dye from wastewater. Biosorbent prepared from Laplap Purpureus stem powder(LPSP) has been used as an adsorbent for the removal of Bismark Brown R dye from the aqueous solution. The biosorbent material was analysed by scanning electron microscope (SEM), X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. The batch adsorption studies are carried out by absorbing the effect of experimental parameters such as pH, adsorbent dosage, equilibrium time and initial dye concentration. The values obtained from the experimental data were analyzed by Langmuir and Freundlich isotherm model equation. The adsorption kinetic studies werealso analyzed by pseudo first order and pseudo second order models. From the analyzes of the data, it is observed that the biosorbent had a good capacity to remove the Bismark Brown R dye from the aqueous solution.



Adsorption, Laplap purpureus, Biosorbent, Bismark Brown R, Isotherms, Kinetics.


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