Abstract
ABSTRACT Since it is desirable to minimize the area covered by oil spilled on water, and since all oil recovery devices operate more efficiently on thicker oil layers, there is much interest in chemicals which can slow the spreading of oil or even drive the oil back into a thicker layer after it has already spread. Forty-seven commercially available chemicals capable of controlling oil were examined in the laboratory during 1971 to determine which were practical oil collecting agents. A series of screening tests was developed, based upon physical properties and surface-chemical properties. The materials judged to be most useful by these tests are presently being evaluated in multicomponent field tests of oil recovery equipment. Both laboratory and field tests have indicated that such materials can aid in cleaning up spilled oil.
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