Environmental Compliance Monitoring of Selected Physico-Chemical Parameters of Effluent Discharge from Gulf of Guinea Near-Shore / Offshore Facilities

Abstract:

Tests were conducted to analyze selected physico-chemical and microbiological parameters from samples of effluent collected from Gulf of Guinea onshore house-boat facilities and offshore oil production platforms at the discharge point to the recipient environment. Among the parameters determined included: Total chlorine, Biochemical Oxygen demand (BOD), Total Suspended Solids (TSS), Dissolved Oxygen (DO) and Faecal coliform. The discharge loads were evaluated and monitored for eight weeks. Test results indicated that the mean value for total chlorine ranged from 0.12 to 0.60 mg/l for onshore and from 0.26 to 1.4 mg/l for offshore. The BOD₅ mean values for the onshore facilities ranged from 15.3 to 52.5 mg/l, for the offshore facilities, it ranged from 27.60 to 117.7 mg/l. The onshore result of the TSS mean values ranged from 53.9 to 62.4 mg/l, the offshore facilities ranged from 77.1 to 242.6 mg/l. The DO mean value results from the onshore facilities ranged from 3.6 to 6.2 mg/l and the result from the offshore facilities ranged from 4.8 to 5.60 mg/l. The faecal coliform for the onshore facilities had a mean value which ranged from 4.0 to 30.1 MPN/100ml, while the offshore facilities had mean value range of 7.4 to 42.0 MPN/100ml. Most of these results are higher than limits specified by the Department of Petroleum Resources (DPR) and an indication that the recipient environment is polluted and poses a great concern. There is therefore utmost need for further treatment before discharge for those parameters that indicated higher ranges than specified for effluent discharge.

• Periodical: Advanced Materials Research (Volume 367)
• Pages: 449-455
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.367.449
• Online since: October 2011
• Authors: Ogbonna F. Joel, S.B. Akinde
• Keywords: Effluent Discharge, Environment, Environmental Compliance Monitoring, Gulf of Guinea, Offshore Facility, Onshore Facility

References

[1] Dede, E. B; Igboh, N. M; Ayalogu, O. E: Chronic toxicity study of crude petroleum (Bonnylight), kerosene and gasoline in Rats using Haematological parameters. J. Appl. Sc. & Env. Mgt. 6 (1), (2002). pp.60-63.

DOI: 10.4314/jasem.v6i1.17197

[2] Joel O. F and Amajuoyi C. A.: Synergistic Effect of Test Chemical with Crude Oil Contaminated Aquatic Habitat, JNES, vol. 5(1), (2009), pp.197-208.

[3] Joel O. F., Amajuoyi C. A. and Dede E. B: Dose-Time Effect of Crude Oil and Hydro-Test Effluent on Fresh Water and Brackish Water Habitats, J. Appl. Sci. and Environ. Management, vol. 13(2), (2009), pp.41-45.

DOI: 10.4314/jasem.v13i2.55300

[4] Lilja, K., Remberger, M., Kaj, L., Allard, A., Andersson, H. and Brorstrom-Lunden, E. Chemical and Biologica Monitoring of Sewage Effluent Water. IVL Sweedish Environmental Research Institute. Report number B1897, (2010), p.90.

[5] DPR, Environmental Guidelines and Standards for the Petroleum Industry in Nigeria (EGASPIN), Revised Edition, (2002).

[6] Mueller Associates Inc.: Waste Oil Reclaiming Technology, Utilization and Disposal, Pollution Technology Control Review No. 166, Battimore, Maryland, (1987), pp.41-48.

[7] FEPA: Federal Republic of Nigeria: (S. I 8), Nation Environmental Protection (Effluent Limitation) Regulations 1991. S.I. 9. Nation Environmental protection (pollution Abatement in Industries and Facilities Generating Wastes). Regulations 1991. Federal Republic of Nig. Official Gazette No. 42, vol. 78, 20th August, (1991).

[8] I. Bossert and Bartha: Fate of Petroleum Hydrocarbons in Soil Ecosystems. In: Petroleum Microbiology, Macmillan Pub. Co., New York (1984).

[9] A. B. Olayemi and F. I. Opaleye: Antibiotic Resistance among Coliform Bacteria Isolated from Hospital and Urban Wastewater. World Journal of Microbiology and Biotechnology, vol. 6: (1990), pp.285-288.

DOI: 10.1007/bf01201298

[10] C. E. Boyd: Water Management for pond fish culture. Elsevier Scientific Publications, Amsterdam, Development on Aquaculture and Fisheries Science, vol. 9 (1982), p.231.

[11] Franklin Association Limited: Evaluation of Health and Environmental problems Associated with the use of Waste Oil, Environmental Protection Agency, Washington D. C, (1983), p.136.

[12] APHA: Standard Methods for the examination of Water and Wastewater. American Public Health Association, 15 Ed, (1985). PP 128.

[13] ASTM: Ed. Water and Environmental Technology, American Standard Testing Method, 1995 volumes. 1 & 2, (1995).

[14] Joel O. F., C. A. Amajuoyi and V. N. Sunday (2009). Assessment of the Levels of Soil and Water Pollutants at an Oil Pipeline Spillage Site in the Niger Delta, Nigeria, Int. J. Natural & Appl Sci., 5(3), (2009), pp.291-296.

[15] Agbor O. I and Joel.O. F: Treatment and Disposal of Oil contaminated soil using thermal desorption unit(TDU), a case study of Niger Delta sludge tank farm, J. Sci. & Sust(JSS), Vol 2, (2010).