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.
| 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 |
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