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Analysis of the Degradation of Total Petroleum Hydrocarbons (TPH) in a Polluted Stagnant Salt and Fresh Water Environment

OKIRIE Faith Uchendu, OZIOKO Fabian Chidiebere, Mabel Keke

Abstract


TPH dispersion in both water media was investigated using a transport model that included convective and diffusion factors. This model was used to track the TPH concentration in both vertical and horizontal dimensions. Therefore, it was expected that diffusion alone would regulate TPH transport or spreading in the x-direction, or horizontal direction, while diffusion and convection caused by gravity would control TPH transport in the vertical direction. As a result, concern was given to the speed at which the TPH caused the tank's base to descend. First order degradation rate kinetics were used to analyze the rate of TPH degradation. The model was formed with the use of Monod model and the first order degradation rate kinetics. Then the TPH which was predicted for the vertical and horinzontal directions was also simulated and comparison carried out for both the two models to axcertain the best fits. The predicted TPH values in the vertical direction were retrieved at a predetermined period and contrasted with the experimental values. This was done in order to identify the model that most closely matched the TPH levels that the experiment recorded. Since there were process constraints throughout the experiment that prevented the concentration of TPH from being calculated, the model and TPH measured from the experiment were not compared in the horizontal direction.


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Ryan, P.G., Bouwman, H., Moloney, C.L., Yuyama, M., & Takada, H. (2001). Long-term Decreases in Persistent Organic Pollutants in South African Coastal Waters Detected from Beached Polyethylene Pellets, Marine Pollution Bulletin, 64, 2756–2760.

Cunningham, C.J., Ivshina, L. B., Lozinsky, V. I., Kuyukina, M. S. & Philip, J. C. (2004). Bioremediation of Diesel-Contaminated Soil by Micro-organisms immobilized in Polyvinyl Alcohol. International Biodeterioration and Biodegradation, 54(2-3), 167–174

Al-Rabeh, A.H., Cekirge, H.M., & N. Gunay, N. (1989). A stochastic Simulation Model of Oil Spill Fate and Transport, Appl. Math. Modelling, 13(6), 322–329.

Angle C.W. (2001), Chemical demulsification of stable Crude Oil and Bitumen emulsions in Petroleum recovery – A review in Encyclopedic Hand-book of Emulsions Technology: Sjoblom, J, (ed), Marcel Dekker: New York, 541–594.

APHA (American Public Health Association) (1995). Standard Methods for the Examination of Water and Wastewater, APHA, AWWA, WEF/1995: APHA Publication.

Atlas, R.M. (1992). Petroleum Microbiology” in Encyclopedia of Microbiology, Pp. 363–369, Academic Press, Baltimore, MD, USA. View at: Google Scholar.

ATSDR (Agency for Toxic Substances and Disease Registry) (1999). Toxicological Profile for Total Petroleum Hydrocarbon; Department of Health and Human Services, Public Health Service: Atlanta, GA, USA, 9–37.

Banadara. V.C., Yapa, P. D. & Xie, H. (2011). Fate and transport of oil in sediment Laden Marine waters J. Hydro – environs Res. 5, 146–156

Bartha, R., & Bosseh, B. (1984). Treatment and Disposal of Petroleum Wastes,” in Petroleum Microbiology, R.M. Atlas, Ed., 553–578,

Bassin, N. J. & Ichiye T. (1997). Flocculation behaviour of suspended sediments and oil-emulsion. J. sediment. Petrol.47, 671–677.

Boguslawska-Was, E., & Dabrowski, W. (2001). The Seasonal Variability of Yeasts and Yeast-like organisms in water and bottom sediment of the Szczecin Lagoon, International Journal of Hygiene and Environmental Health, 203(5–6), 451–458.

Bojes, H. K. & Pope P. G. (2007). Characterization of EPA’s 16 Priority Pollutant Polycyclic aromatic hydrocarbons (PAHs) in tank bottom solids and associated contaminated soils at oil exploration and production sites in Texas. Regul. Toxicol. Pharm. 47, 288–295.

Bragg, J. R., Prince, R. C., Harner. E. J. & Atlas, R. M. (1994). effectiveness of bioremediation for the Exxon Valdez oil Spill. Nature 368-413–418.

Cernigha, C.E., Gibson, D.T., & Van Baalen, C. (1980). Oxidation of Naphthalene by Cyanobacteria and Microalgae, Journal of General Microbiology, 116(2), 495–500.

Chaillan, F., Le Fléche, A. Bury, E., Phantarong, Y. H., Grimont, P. Saliot, A. & Oudot, J. (2004). Identification and Biodegradation Potential of tropical aerobic hydrocarbon-degrading micro-organisms. Research in Microbiology, 155(7), 587–595




DOI: https://doi.org/10.37628/jcst.v9i2.1456

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