Catalysis Letters

, Volume 11, Issue 3–6, pp 277–284 | Cite as

Photocatalyzed oxidation of crude oil residue by beach sand

  • Henry Wise
  • Kenneth M. Sancier


Crude-oil residue in contact with beach sand and air was observed to undergo photocatalytic oxidation on exposure to light from a high pressure mercury vapor lamp. The kinetics of the heterogeneous reaction were of zero order in the mass of organic material present. Carbon dioxide was the oxidation product. No dark reaction occurred. The beach sand used contained magnetite and ilmenite as minor constituents. These materials are known to have catalytic properties for hydrocarbon oxidation. The results point to a “self-cleaning” process provided by the natural environment for the photocatalytic removal of crude-oil contamination from sandy beaches.


Photocatalytic oxidation catalytic oxidation of crude oil 


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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1991

Authors and Affiliations

  • Henry Wise
    • 1
  • Kenneth M. Sancier
    • 2
  1. 1.Department of Materials Science and EngineeringStanford UniversityStanfordUSA
  2. 2.Materials Research LaboratorySRI InternationalMenlo ParkUSA

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