A-DROP: A predictive model for the formation of oil particle aggregates (OPAs)
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Abstract
Oil–particle interactions play a major role in removal of free oil from the water column. We present a new conceptual–numerical model, A-DROP, to predict oil amount trapped in oil–particle aggregates. A new conceptual formulation of oil–particle coagulation efficiency is introduced to account for the effects of oil stabilization by particles, particle hydrophobicity, and oil–particle size ratio on OPA formation. A-DROP was able to closely reproduce the oil trapping efficiency reported in experimental studies. The model was then used to simulate the OPA formation in a typical nearshore environment. Modeling results indicate that the increase of particle concentration in the swash zone would speed up the oil–particle interaction process; but the oil amount trapped in OPAs did not correspond to the increase of particle concentration. The developed A-DROP model could become an important tool in understanding the natural removal of oil and developing oil spill countermeasures by means of oil–particle aggregation.
Suggested Citation
Zhao, L., Boufadel, M., Geng, X., Lee, K., King, T., Robinson, B.H., Fitzpatrick, F., 2016, A-DROP: A predictive model for the formation of oil particle aggregates (OPAs): Marine Pollution Bulletin, v. 106, no. 1-2, p. 245-259, https://doi.org/10.1016/j.marpolbul.2016.02.057.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A-DROP: A predictive model for the formation of oil particle aggregates (OPAs) |
| Series title | Marine Pollution Bulletin |
| DOI | 10.1016/j.marpolbul.2016.02.057 |
| Volume | 106 |
| Issue | 1-2 |
| Year Published | 2016 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam |
| Contributing office(s) | Wisconsin Water Science Center |
| Description | 15 p. |
| First page | 245 |
| Last page | 259 |