Levels of concentration of lubricating oils on concrete floor of industrial learning environment, with consequential soil contamination
DOI:
https://doi.org/10.46421/enarc.v8i00.2908Keywords:
soil contamination, hydrocarbons, concrete penetrationAbstract
Industrial floors are often exposed to contamination, including oils and greases from a variety of sources. In this case study, a metalworking laboratory in operation for 42 years received polyurethane-based paint on its concrete floor, appearing oil bubbles on the surface of the new paint. Based on this, the objective of this work was to determine the level of contamination of the floor with hydrocarbons, in order to understand the problem encountered. The test carried out, according to the SM 5520E standard for detecting the presence of hydrocarbons, shows that in the areas most expected by the pathological manifestation, the concentration of hydrocarbons is 74%, 45% and 14% higher with each layer of protected concrete, in relation to the same layer in the control region. In addition, there is a concentration of hydrocarbons in the soil below the floor, 51% higher in relation to the control region and 91% higher than in the adjacent concrete region.
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