The declining quality of residual oil fuels, with the prospect of these fuels having over 500 ppm vanadium, over 100 ppm sodium, and over 5% sulphur, and having specific gravities close to that of water, is a matter of concern to the manufacturers of engines, boilers, separators, and other equipment. From the user's viewpoint, the problems can be divided into those affecting handling and those affecting combustion. Residuals form various sources of crude can be characterised by their properties. Some significant properties are: specific gravity; carbon residue; sulphur, vanadium, nickel, and iron contents; wax content (which is becoming increasingly troublesome with crudes from the Far East); pour point; and viscosity. However, the ship's engineer will often not know the source of the fuel bunkered. After a brief general consideration of these problems, the Author, of Drew Chemical Corp., examines them further and briefly discusses some chemical treatments for their alleviation, under the headings: Sludge; Wax; Stratification; Combustion Problems in Boilers; Combustion Problems in Two-Stroke Diesel Engines; Combustion Problems in Four-Stroke Diesel Engines.

  • Corporate Authors:

    Whitehall Technical Press Limited

    29 Palace Street, Westminster
    London SW1,   England 
  • Authors:
    • Levi, E J
  • Publication Date: 1979-7

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00303312
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Files: TRIS
  • Created Date: Feb 11 1980 12:00AM