Bioremediation in oil-contaminated sites: bacteria and surfactant accelerated remediation

Janet M. Strong-Gunderson; Francisco Guzman

doi:10.1117/12.259757

26 November 1996 Bioremediation in oil-contaminated sites: bacteria and surfactant accelerated remediation

Janet M. Strong-Gunderson, Francisco Guzman

Proceedings Volume 2835, Advanced Technologies for Environmental Monitoring and Remediation; (1996) https://doi.org/10.1117/12.259757
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

In Mexico, there are several environmental issues which are being addressed under the current governmental legislation. One important issue is restoring sites belonging to Petroleos Mexicanos (PEMEX). PEMEX is a large government owned oil company that regulates and manages the oil reserves. These sites are primarily contaminated with weathered hydrocarbons which are a consequence of extracting millions of barrels of oil. Within the southern regions of Mexico there are sites which were contaminated by activities and spills that have occurred during the past 30 years. PEMEX has taken the leadership in correcting environmental problems and is very concerned about cleaning up the contaminated sites as quickly as possible. The most significant contaminated sites are located to the north of Veracruz and south of Tabasco. These sites areas are close to refineries or locations of oil exploration. The primary category of contaminants are hydrocarbons, among them asphaltens, aromatic and other contaminants. The concentration of the contaminants varies depending on the location of the sites, but it can reach as high as 500,000 ppm. PEMEX has been searching for appropriate, and cost- effective technologies to clean up these sites. Biologically based remediation activities are of primary interest to PEMEX. However, other treatment technologies such as chemical-physical methods, encapsulation and incineration are also being considered. The present report summarizes preliminary experiments that measured the feasibility of bioremediation for a contaminated site in southern Mexico.

Citation Download Citation

Janet M. Strong-Gunderson and Francisco Guzman "Bioremediation in oil-contaminated sites: bacteria and surfactant accelerated remediation", Proc. SPIE 2835, Advanced Technologies for Environmental Monitoring and Remediation, (26 November 1996); https://doi.org/10.1117/12.259757

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KEYWORDS

Bacteria

Soil contamination

Microorganisms

Carbon

Contamination

Soil science

Tolerancing

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