alexa Biosorption of lead(II) in aqueous solution by spent mushroom Tricholoma lobayense.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Dai J, Cen F, Ji J, Zhang W, Xu H

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Abstract The biosorption of lead(II) ions in both simulated and real wastewater by spent mushroom Tricholoma lobayense, was studied in this work. The results show a biomass with a high potential for removing lead ions from wastewater. The optimum pH for the adsorption is 4, and the adsorption process is fast. The best sorbent mass of the biomaterial is 5 g/L with an initial lead(II) concentration of 1 mmol/L. The process follows the Langmuir isotherm model, and the biosorption capacity of lead ions reaches to 210 mg/g, which is higher than many biosorbents previously studied. The mechanism of biosorption may be mainly attributed to ion exchange. The FT-IR study identifies the functional groups responsible for this process. A scanning electron microscope showed a significant change of the sorbent surface after the biosorption process. The energy dispersive elemental analysis also confirmed the adsorption of lead(II) ions.
This article was published in Water Environ Res and referenced in Journal of Bioremediation & Biodegradation

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