EVALUATION OF THIN FILM OIL SAMPLERS

Four prototype thin film oil samplers were evaluated for use in sampling for identification purposes. All of the samplers utilize an oleophilic sorbent as the collecting medium for the oil. In addition, two of the samplers also utilize a surfactant as an aid in collecting the oil. The sorbent materials used were chosen on the basis of their affinity for oils of all types. Although these sorbents have been used privously in oil recovery systems, their use in an oil sampling system whose objective is identification of the oil sampled, required that an extensive series of tests be conducted. This series of tests, which is the subject of this paper, was conducted in two phases. The first phase was concerned with the operational aspects of the samplers (deployment, retrieval, cleaning, refurbishment, storage, etc.). The samplers' operational characteristics were observed during deployment from a boat on soybean oil slicks. The second phase was concerned with the efficiency of the samplers on different oils and at different thickness, as well as the ability of the samplers to maintain the chemical integrity of the samples. Tests conducted during this phase included deployment of the samplers is slicks of known thicknesses. Three different oils were used during this phase: A No. 2 Fuel Oil, a South Louisiana Crude and a Bunker C. The efficiencies were calculated by color comparison of extracts with known volumes of solvent and standards of known oil concentration. The techniques used to evaluate the samplers' ability to maintain the chemical integrity of the sample include gas chromatography, ultra-violet fluorescence and infrared spectrophotometry.

  • Supplemental Notes:
    • Cost of entire Proceedings is $25.00.
  • Corporate Authors:

    Marine Technology Society

    5565 Sterrett Place, Suite 108
    Columbia, MD  USA  21044
  • Authors:
    • Chang, W J
    • Saner, W A
  • Publication Date: 1974-9

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Filing Info

  • Accession Number: 00071907
  • Record Type: Publication
  • Source Agency: Marine Technology Society
  • Report/Paper Numbers: Proceeding
  • Files: TRIS
  • Created Date: Nov 12 1974 12:00AM