Medicinal Plants the Key Bio-Adsorbents for Anionic Surfactant (SDS) From Waste Water

Poornima Tomar, Chanda Verma, Santosh K Sar


The pollutant binding capacity of seeds of Embelia ribes, Celastrus paniculatus was investigated in a batch system under varying conditions. The results indicate that sorption equilibrium was established in about 60 minutes. The anionic surfactant sorption is highly dependent on pH and maximum removal was observed at pH 2 - 6. It was also observed that sorption of surfactant decreases with increase in temperature. The experimental results were analyzed in terms of Langmuir and Freundlich isotherms. The Freundlich isotherm model fitted well to data with 0.94 regression co-efficient (R2). Evaluation of experimental data in terms of biosorption kinetics showed that the biosorption of surfactant on both the biomass followed pseudo-first order kinetics. The results showed that biosorbent are an attractive low cost alternative for the treatment of wastewaters containing lower concentrations of anionic surfactant.

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ISSN (Paper)2224-7467 ISSN (Online)2225-0913

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