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Study on the Effects of Waves and Dispersant on the Submergence of Spilled Oil

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Abstract

The baffled flasks were used to simulate regular wave and breaking wave at different oscillation intensities to study the effects of wave strength, reaction time, and dispersant on the submergence of oil spill. It was found that the wave strength has the greatest impact on submerging rate and submergence stability of Liaohe crude oil and Fuel 180. The characteristics of the impacts of the wave strength and dispersant content are that there are thresholds, below which the impacts are not obvious; their coupling effects are obvious only when both the wave strength and the dispersant content exceed their threshold; the impacts can accumulate over time and have the maximum value; the submerging rate reaches maximum at 30 min for Liaohe crude oil and 60 min for Fuel 180; the submerging rate will decrease after the time of the maximum impact. Based on the experimental results, it is proposed that the submerging model should have different forms based on the thresholds of conditions and different phases of the time, which need more work to be determined for different oils.

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ACKNOWLEDGMENTS

This study was funded by the National Basic Research Program of China (2016YFC1402301), the Fundamental Research Funds for the Central Universities (3 132 017 095, 3 132 018 179).

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Correspondence to Xing Zhao or Zhiyu Ya or Zhaowei Wang or Bing Sun or Hongrui Fu or Massamba-Courtois Joanès Bénédicte.

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Xing Zhao, Ya, Z., Wang, Z. et al. Study on the Effects of Waves and Dispersant on the Submergence of Spilled Oil. Water Resour 47, 95–102 (2020). https://doi.org/10.1134/S0097807820010157

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Keywords:

  • spilled oil
  • submerging
  • wave strength
  • wave action time
  • dispersant
  • submergence stability