Author(s): Lakshmi V, Devlina Das, Nilanjana Das

Email(s): nilanjanamitra@vit.ac.in

DOI: 10.5958/0974-360X.2016.00430.3   

Address: Lakshmi V, Devlina Das , Nilanjana Das*
Bioremediation Laboratory, School of Bio Sciences and Technology, VIT University, Vellore-632014, Tamil Nadu, India
*Corresponding Author

Published In:   Volume - 9,      Issue - 12,     Year - 2016


ABSTRACT:
Dead biomass of yeast Trichosporon sp. VITLN01 pretreated with Tween 80, sodium dodecylsulfate (SDS) and NaOH were used as adsorbents for caffeine removal from aqueous solution. In batch system, maximum caffeine uptake was noted using Tween 80 treated adsorbent at pH 7.5 and adsorption equilibrium time was 3 h. The Langmuir, Freundlich and Temkin adsorption models were applied for mathematical description of adsorption equilibrium. Langmuir model was able to describe the adsorption equilibrium of caffeine on native and pretreated adsorbents. Thermodynamics studies indicated that caffeine adsorption process was spontaneous and exothermic in nature. FTIR analysis provided a detailed description of possible binding groups present in the adsorbents. SEM analysis revealed interesting changes in the surface texture of pretreated adsorbents before and after caffeine adsorption. Tween 80 treated adsorbent immobilized in PVA-alginate matrix was used to remove caffeine from coffee processing industrial wastewater in batch mode. The present study, also confirmed that immobilized Tween 80 treated dead biomass of yeast Trichosporon sp. VITLN01 may serve as efficient adsorbent for removal of caffeine from industrial wastewater.


Cite this article:
Lakshmi V, Devlina Das , Nilanjana Das. Caffeine Removal using Pretreated Dead Yeast Trichosporon sp. VITLN01 as novel adsorbent. Research J. Pharm. and Tech 2016; 9(12):2113-2123. doi: 10.5958/0974-360X.2016.00430.3


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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