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|Title:||Experimental studies on removal of microcystin-LR by peat|
|Authors:||Sathishkumar, M. |
|Citation:||Sathishkumar, M., Pavagadhi, S., Vijayaraghavan, K., Balasubramanian, R., Ong, S.L. (2010). Experimental studies on removal of microcystin-LR by peat. Journal of Hazardous Materials 184 (1-3) : 417-424. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jhazmat.2010.08.051|
|Abstract:||Cyanotoxins have caused worldwide concerns for their eclectic occurrence and toxic effects, which led to an intensive search of cost-effective techniques for their removal from contaminated waters. A range of biomaterials was tested for their efficacy to adsorb a potent cyanotoxin, microcystin-LR (MCLR). Among these sorbents, peat showed the maximum efficacy to sequester MCLR. The BET (Brunauer-Emmett-Teller) surface area of peat was found to be 12.134m2/g. The pH of the reaction media played a significant role in removal of MCLR; maximum adsorption occurred at pH 3. Kinetic studies showed that the adsorption of MCLR onto peat was a rapid process. The adsorption capacity (Qmax) from the Langmuir model was found to be 255.7μg/g at pH 3. Among various desorption media studied, strong alkali (2N NaOH) showed highest desorption (94%). © 2010 Elsevier B.V.|
|Source Title:||Journal of Hazardous Materials|
|Appears in Collections:||Staff Publications|
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