SYMPOSIA PAPER Published: 01 January 1984

Measurement and Prediction of the Effectiveness of Oil Spill Chemical Dispersants


Recent developments in effectiveness testing of dispersants are discussed, with emphasis on the Mackay-Nadeau-Steelman laboratory test. A novel flume test system is described in which an attempt is made in the laboratory to simulate a sea test involving continuous application by boat. Some recent findings of test programs are discussed and a detailed mechanism proposed for the dispersion process. It is proposed that a mathematical model be sought to express effectiveness as a function of the volumes of oil, water, and dispersant, oil viscosity, water salinity, and application method. It is suggested that this model could form the basis of a procedure for correlating effectiveness and linking laboratory tests to application conditions at sea.

Author Information

Mackay, D
Chau, A
Hossain, K
Bobra, M
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Developed by Committee: F20
Pages: 38–54
DOI: 10.1520/STP30227S
ISBN-EB: 978-0-8031-4906-9
ISBN-13: 978-0-8031-0400-6