Oil viscosity limitation on dispersibility of crude oil under simulated at-sea conditions in a large wave tank
| Autor: | Joseph V. Mullin, Alan Guarino, Ken Trudel, Randy Belore |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Pollution
media_common.quotation_subject Aquatic Science Oceanography Dispersant Viscosity Water Movements Wave tank Environmental Restoration and Remediation media_common chemistry.chemical_classification Petroleum engineering business.industry Environmental engineering Lipids Petroleum Hydrocarbon chemistry Petroleum industry Environmental science Dispersion (chemistry) business Corexit Water Pollutants Chemical |
| Zdroj: | Marine Pollution Bulletin. 60:1606-1614 |
| ISSN: | 0025-326X |
| DOI: | 10.1016/j.marpolbul.2010.01.010 |
| Popis: | This study determined the limiting oil viscosity for chemical dispersion of oil spills under simulated sea conditions in the large outdoor wave tank at the US National Oil Spill Response Test Facility in New Jersey. Dispersant effectiveness tests were completed using crude oils with viscosities ranging from 67 to 40,100 cP at test temperature. Tests produced an effectiveness-viscosity curve with three phases when oil was treated with Corexit 9500 at a dispersant-to-oil ratio of 1:20. The oil viscosity that limited chemical dispersion under simulated at-sea conditions was in the range of 18,690 cP to 33,400 cP. Visual observations and measurements of oil concentrations and droplet size distributions in the water under treated and control slicks correlated well with direct measurements of effectiveness. The dispersant effectiveness versus oil viscosity relationship under simulated at sea conditions at Ohmsett was most similar to those from similar tests made using the Institut Francais du Pétrole and Exxon Dispersant Effectiveness (EXDET) test methods. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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