Biodegradation of Certain Polycyclic Hydrocarbons with Paenbacillus Alvei and Penicillum Restricum

• Autorzy: Ogunbayo A. O. , Olanipekun O. O. , Owoade A. H.

Identyfikatory

DOI

10.12911/22998993/81808

• Języki publikacji: EN

Abstrakty

EN

The biodegradation of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene, 2-methylnaphthalene and anthracene was investigated using pure and mixed culture of Paenbacillus alvei (bacteria) and Penicillum restricum (fungi) (isolated from crude oil contaminated sites in Rivers state of Nigeria). The abilities of these organisms to biodegrade the PAHs were studied by growing the isolates in a mineral salt medium (MSM) with the PAHs in shake flasks placed in a shaking water bath rotating at 150 rpm at room temperature for 21 days. The samples were withdrawn every three days for analysis of the residual PAHs using SRI 8610C Gas Chromatograph (GC), while the growth of the organisms was determined by using the dry biomass method. The results showed that the concentrations of PAHs decreased with an increase in the exposure time throughout a 21-day period, thus confirming the abilities of the organisms to feed on the PAHs. The results showed that the bacteria had more affinity for naphthalene, while the fungi had more affinity for anthracene. It was, however, observed that the samples from the flask which contained mixed PAHs and mixed culture of Paenbacillus alvei and Penicillum restricum had the highest and most significant biomass growth thus suggesting a synergy between the two organisms.

Słowa kluczowe

EN

biodegradation; PAHs; naphthalene; 2-methynaphthalene; anthracene; contaminated soil

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2018
• Tom: Vol. 19, nr 2
• Strony: 140--148
• Opis fizyczny: Bibliogr. 15 poz., tab., rys.

Twórcy

autor

Ogunbayo A. O.

• Department of Chemical Engineering, University of Lagos, Yaba, Nigeria

autor

Olanipekun O. O.

• Department of Chemical Engineering, University of Lagos, Yaba, Nigeria

autor

Owoade A. H.

• Department of Chemical Engineering, University of Lagos, Yaba, Nigeria

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).