Lead and nickel biosorption with a fungal biomass isolated from metal mine drainage: Box-Behnken experimental design

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Aytar P., Gedikli S., Buruk Y., Cabuk A., Burnak N.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, cilt.11, sa.6, ss.1631-1640, 2014 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 11 Sayı: 6
  • Basım Tarihi: 2014
  • Doi Numarası: 10.1007/s13762-013-0354-5
  • Dergi Adı: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1631-1640
  • Anahtar Kelimeler: Response surface methodology (RSM), Heavy metal, Biosorbent, Penicillium janthinellum, RESPONSE-SURFACE METHODOLOGY, AQUEOUS-SOLUTION, WASTE-WATER, NI II, REMOVAL, IONS, OPTIMIZATION, EQUILIBRIUM, COMMUNITIES, COPPER(II)
  • Eskişehir Osmangazi Üniversitesi Adresli: Evet

Özet

The Pb(II) and Ni(II) biosorption of a fungal biomass isolated from mine drainage of metal-processing industries in Balya (BalA +/- kesir province, Turkey) was optimized using a response surface methodology by altering parameters such as pH, initial metal concentration, contact time and biosorbent dosage. This strain was shown to be highly similar to Penicillium sp. Furthermore, zeta potential measurements and Fourier transform infrared spectroscopy were performed to understand the adsorption mechanism. A Box-Behnken design with 29 experiments was used to evaluate the interactions between independent variables. The results showed that the fungal biomass isolated from the metal mine drainage could have a significant environmental impact through the biosorption of Pb(II) and Ni(II) in waters polluted with heavy metals, particularly in the drainage from metal mines. The maximum removal values were 76 and 47 % at pH 4.5 for both Pb(II) and Ni(II), with 123 and 33 mg/L initial metal concentrations, 65 and 89 min contact times and 0.2 and 1.6 g/L biosorbent, respectively.