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Photodegradation of hydrocarbon surface films
Hansen, H.P. (1977). Photodegradation of hydrocarbon surface films. Rapp. et Proc.-Verb. Cons. Int. Explor. Mer 171: 101-106
In: Rapports et Procès-Verbaux des Réunions du Conseil Permanent International pour l'Exploration de la Mer. Conseil Permanent International pour l'Exploration de la Mer: Copenhague. ISSN 0074-4336
Also appears in:
McIntyre, A.D.; Whittle, K.J. (Ed.) (1977). Petroleum Hydrocarbons in the Marine Environment: Proceedings from ICES Workshop held in Aberdeen 9-12 September 1975. Rapports et Procès-Verbaux des Réunions du Conseil Permanent International pour l'Exploration de la Mer, 171. Conseil International pour l'Exploration de la Mer: Copenhagen. 7-230 pp., more
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    Vlaams Instituut voor de Zee: Open access 359118 [ download pdf ]
Keywords
    Chemical compounds > Organic compounds > Hydrocarbons
    Chemistry > Photochemistry
    Composition > Chemical composition
    Pollution > Oil pollution
    Surface films
    Marine/Coastal
Author  Top 
  • Hansen, H.P.
Abstract
    Photodegradation experiments on crude oil surface films were carried out on natural sea water in an artificial marine system. The compositional changes in the surface film and the organic materials in the water below were investigated. The degradation products were isolated and analyzed. They were found to be primarily aromatic and aliphatic acids, and to a lesser extent alcohols, aldehydes and ketones with the same number of carbon atoms as the original hydrocarbons. A possible reaction scheme was developed based on the amounts and structures of these decomposition products, which were also used together with estimated rates of surface film photochemical decomposition, to suggest possible effects on the marine environment.
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