Abstract
ABSTRACT: This paper describes a laboratory and field study of the behavior of sewage oil and grease after discharge to an ocean environment. The laboratory program was used to study the factors affecting coagulation and to determine if discharge through an ocean outfall enhances coagulation leading to an increase in concentration of floatable material on the ocean surface. A field study was conducted at Burwood Beach near Newcastle on the New South Wales coast to quantify the amount of oil and grease reaching the ocean surface from the outfall, to measure the size of particles of grease on the surface near the outfall, and to determine the conditions that lead to the formation of visible slicks and observable floatable material for an outfall discharging primary treated sewage.
Published Version
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