Document Detail


A model to predict rate of dissolution of toxic compounds into seawater from an oil spill.
MedLine Citation:
PMID:  19037808     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this paper a semianalytical model has been proposed to predict the rate at which oil components dissolve in water when an oil spill occurs in a marine environment. The model breaks the oil into a number of pseudocomponents proportional to the number of compounds originally present in the oil and calculates the rate of dissolution for each component. In addition, the components are divided into paraffinic, naphthenic, and aromatic hydrocarbon types and the amount of dissolution of each pseudocomponent is calculated versus time. In this method the concentration of most toxic components of oil (mainly monoaromatics) is determined. The model considers variable surface area and slick thickness and requires oil specifications (i.e., American Petroleum Institute [API] gravity and boiling point) in addition to air and water temperatures and speeds. The model has been applied to a Kuwaiti crude oil and its products naphtha and kerosene samples at 20 degrees C and 40 degrees C. The results could be useful in selection of an appropriate method for oil spill clean up as well as simulation of environmental impact of oil spill from toxicity points of view.
Authors:
M R Riazi; Y A Roomi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International journal of toxicology     Volume:  27     ISSN:  1092-874X     ISO Abbreviation:  Int. J. Toxicol.     Publication Date:    2008 Sep-Oct
Date Detail:
Created Date:  2008-11-27     Completed Date:  2009-01-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9708436     Medline TA:  Int J Toxicol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  379-86     Citation Subset:  IM    
Affiliation:
Department of Chemical Engineering, Kuwait University, Kuwait. mrriazi@gmail.com
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MeSH Terms
Descriptor/Qualifier:
Models, Chemical*
Petroleum / analysis*,  toxicity
Seawater / chemistry*
Solubility
Temperature
Water Pollutants, Chemical / analysis*,  toxicity
Chemical
Reg. No./Substance:
0/Petroleum; 0/Water Pollutants, Chemical

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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