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    Effects of Small Amounts of Extraneous Materials on Properties of Petroleum, Petroleum Products, and Related Liquids

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    Petroleum and petroleum products are considered as pure matrices of hydrocarbons rather than as individual compounds. On the basis that we are concerned with “extraneous” materials, either occurring naturally or added deliberately, some of their effects in the following classes of materials are considered: crude oil, gasoline, jet fuels, cracking stock, organic compounds (hydrocarbons, sulfur and nitrogen compounds), and oil field waters.

    Included among the “extraneous” materials considered are: asphaltenes, hydrocarbons, sulfur and sulfur compounds, nitrogen compounds, porphyrins, metals, antioxidants, antiknock compounds, gums, metals, various anions and cations in aqueous solution, detergents, bacteria, and water.

    Some of the effects noted are: corrosion, catalyst poisoning, surface chemistry effects, viscosity effects, induction system fouling, electrical conductivity, antiknock performance, inaccurate physical, spectral, and thermodynamic properties, identification of oil field waters, and characterization of crude oil and its fractions.

    Areas of research applicable to the problems arising from these effects are suggested.

    Author Information:

    Smith, Harold M.
    Research Scientist, Bartlesville Petroleum Research Center, Bureau of Mines, U. S. Department of the Interior, Bartlesville, Okla

    Committee/Subcommittee: E01.21

    DOI: 10.1520/STP45074S