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Differences in Infiltration and Evaporation of Diesel and Gasoline Droplets Spilled onto Concrete Pavement

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  • Bernat Adrià Mora

    (Department of Environmental Health Sciences, Columbia University School of Public Health, New York, NY 10032, USA)

  • Markus Hilpert

    (Department of Environmental Health Sciences, Columbia University School of Public Health, New York, NY 10032, USA)

Abstract

Pollution at gas stations due to small spills that occur during vehicle refueling have received little attention. We have performed laboratory experiments to assess evaporation and infiltration of fuel spilled onto concrete. Changes in the concrete mass after small amounts of diesel and gasoline were spilled have been analyzed. Variation in humidity, among other parameters, clearly affects the measured mass since condensed water is constantly added to or released from the concrete. This mass experiences an about exponential decay in time. The difference in behavior between both fuel types is important as the percentage of evaporated mass is much larger for gasoline, while infiltration is more significant for diesel. A statistical analysis suggests that the initial spill amount does not significantly affect the fraction of infiltrated fuel over time. This finding is in agreement with pore-scale simulations that we performed. A significant amount of fuel could be seeping into soil and groundwater underneath concrete pavement at gas stations or could be released to the atmosphere. Possible solutions for pavement and groundwater pollution are considered.

Suggested Citation

  • Bernat Adrià Mora & Markus Hilpert, 2017. "Differences in Infiltration and Evaporation of Diesel and Gasoline Droplets Spilled onto Concrete Pavement," Sustainability, MDPI, vol. 9(7), pages 1-14, July.
  • Handle: RePEc:gam:jsusta:v:9:y:2017:i:7:p:1271-:d:105202
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    Citations

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    Cited by:

    1. Xiang Gao & Ling Pang & Shi Xu & Yang Lv & Yingxue Zou, 2022. "The Effect of Silicone Resin on the Fuel Oil Corrosion Resistance of Asphalt Mixture," Sustainability, MDPI, vol. 14(21), pages 1-13, October.
    2. Wenchang Liu & Hongjun Li & Hongwei Lin & Xiaobo Du & Mutian Sun & Shaohui Liu, 2021. "Effects of a Fuel-Resistant Modifier on the High-Temperature Characteristics of Asphalt Binders," Sustainability, MDPI, vol. 13(14), pages 1-17, July.

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