Comparación entre bioestimulación y bioaumentación para la recuperación de suelos contaminados con diesel
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2012
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Corporación Universitaria Lasallista
Área Metropolitana del Valle de Aburrá
Área Metropolitana del Valle de Aburrá
Resumen
Introduction. Diesel is a contaminating hydrocarbon that can come to environmental matrices via several sources,
and produce high environmental damage. Objective. To evaluate bioremediation with biostimulation and
bioaugmentation as a methodology to recover soils contaminated with diesel. Materials and methods. The
tests were performed with soil samples obtained from a place with a contamination historical record. 4 approaches
were taken: natural attenuation, bioaugmentation with microorganisms isolated from the ground, biostimulation
with nutrients and banana peels. Results. The microorganisms and hydrocarbon concentrations were
monitored during 30 days, and the best treatment was that of the nutrient addition with banana peels, achieving
a 93% of degradation, the highest one in comparison to the other treatments. Conclusion. The results suggest
that an adequate application of nutrients contributes to the development of the microbial population in the soil
with diesel degradation capacity, increasing the process´ effectiveness.
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Corporación Universitaria Lasallista, Área Metropolitana del Valle de Aburrá, Diesel, Biodegradación, Bioestimunlación, Bioaumentación, Biorremediación, Contaminación del suelo, Contaminación, Hidrocarburos, Contaminación por hidrocarburos