An optimization study for bio-removal of lead from aqueous environments by alkali modified Polyporus Squamosus

Year 2021, Volume: 9 Issue: Special 1, 1 - 9, 30.04.2021

Şakir Yılmaz , Ümit Ecer , Tekin Şahan

https://doi.org/10.51354/mjen.804338

Cited By: 1

Abstract

Rapidly increasing industrialization and urbanization cause serious environmental pollution. Discharge of polluting material from various industries such as smelting, mining, ore processing, and metal plating into the environment without treatment causes serious pollution and can have dangerous effects on the environmental balance. The utilization of low-cost adsorbents from biological materials as a replacement for costly traditional methods for adsorption of heavy metal pollutants from wastewater was reviewed. This study aimed to investigate the biosorption of Pb(II) ions from aqueous solutions with NaOH-modified Polyporus squamosus biosorbent and optimize the biosorption conditions. Firstly, the parameters most influencing the response of the biosorption for Pb(II) (initial Pb(II) concentration (Co), pH, temperature and biomass dose) were determined using Central Composite Design (CCD). The optimum conditions were evaluated as 60.76 mg/L, 6.3, 25 °C, and 0.23 g for Co, initial pH, temperature and biomass dose, respectively. From the optimum conditions, the adsorption yield and the adsorption capacity were obtained as 93.8% and 23.63 mg/g, respectively.

Keywords

Biosorption, Lead, Polyporus squamosus, Response Surface Methodology

Thanks

We would like to thank Prof. Dr. Yusuf Uzun (Van Yuzuncu Yil University) for providing the biosorbent used in this study.

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