Bioremediation of Industrial Wastes of Oil Refineries as an Environmental Solution for Water Pollution

Authors

  • T. Raafat Engineering for Petroleum and Process Industries
  • N.Sh. El-Gendy Egyptian Petroleum Research Institute, Cairo, Egypt
  • L. Farahat Egyptian Petroleum Research Institute, Cairo, Egypt
  • M. Kamel Water Microbiology, National Research Center
  • E.A. El-Shafy Environmental and Sanitary Division, Faculty of Engineering, Cairo University, Cairo, Egypt

DOI:

https://doi.org/10.18321/ectj269

Abstract

Four waste water samples were taken from Cairo Oil Refinery Company (CORC) at Mostorod, representing two groups according to their total petroleum hydrocarbon (TPH) contents; the relatively highly polluted samples were taken from El-Taktir American Petroleum Institute (API) separator and the low polluted ones were taken from El-Islah API separator. Mechanical treatments show percentages removal in Total petroleum hydrocarbons (TPH) of 50% and 35% in the outlet effluent of El-Taktir and El-Islah API separators, respectively with TPH concentrations of 250 mg/l and 65 mg/l, respectively. Biotreatment of sterilized mechanically treated water samples with Staphylococcus xylosus for 7 days of incubation at  30°C, pH 7 and 200 rpm show the high biodegradation efficiency of the isolated bacteria and its preference to work on the high concentration than the low one with percentage removal of 90% and 72.31%, respectively. This led to final TPH concentrations in El-Taktir and El-Islah water samples of 25 mg/l and 18 mg/ l, respectively with approximately complete removal of normal and iso alkanes independent of the TPH  concentration. AB1 is also able to degrade Pristane (Pr) and Phytane (Ph) in the highly polluted sample with 73.41% and 54.96%, respectively while it shows complete removal of Pr and Ph in the low polluted sample. Biotreatment shows also high biodegrading efficiency in the unresolved complex mixture (UCM); aromatics, naphthenes and alicyclic hydrocarbons with percentages removal of 88.59% and 68.93% for El-
Taktir and El-Islah water samples, respectively.

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Published

2007-03-20

How to Cite

Raafat, T., El-Gendy, N., Farahat, L., Kamel, M., & El-Shafy, E. (2007). Bioremediation of Industrial Wastes of Oil Refineries as an Environmental Solution for Water Pollution. Eurasian Chemico-Technological Journal, 9(2), 153–162. https://doi.org/10.18321/ectj269

Issue

Vol. 9 No. 2 (2007)

Section

Articles

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