VEGETABLE OIL ESTERS AS SOLVATING AGENTS FOR MIXTURES OF ETHYL ALCOHOL WITH PETROLEUM DIESEL FUEL

Phase diagrams have been determined for the ternary system, ethanol- petroleum distillate fuel - coconut oil ethyl esters over the temperature range 15-25 degrees C. Similar determinations have been made with ethyl acetate and butanol as the third component with ethanol- distillate fuel systems. The coconut oil ethyl esters were found to be similar as a coupling agent to ethyl acetate, while butanol was slightly less effective. In all cases, less than 12 per cent of the coupling agent was sufficient to form a homogenous solution with all proportions of ethanol and petroleum distillate fuel at temperatures above 15 degrees C. Phase diagrams have also been determined for the ternary systems with the addition of 0.1 to 5 per cent water. At the lower water concentrations, stable homogenous quaternary solutions were formed upon increasing the proportion of coupling agent. As the water concentration approached 5 per cent, stable solutions were only possible at high ethanol- distillate fuel ratios. For ethanol concentrations below 10 per cent in the ternary mixture, ethanol- distillate fuel- coupling agent, the water separated from the mixture. Above 10 per cent ethanol, the presence of water greater than the homogenous limits of the quaternary solution caused the separation into distillate fuel--ester and ethanol layers. (Author/TRRL)

• Supplemental Notes:
  • This paper was presented at the Second National Conference on Fuels from Crops, Melbourne, August 1983.
• Corporate Authors:

  Society of Automotive Engineers

  191 Royal Parade
  Parkville, Victoria 3052,   Australia 
• Authors:
  • Solly, R K
  • Chand, A
• Conference:
  • This paper was presented at the Second National Conference on Fuels from Crops, Melbourne, August 1983.
• Publication Date: 1983-8

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 10.1-8

Subject/Index Terms

• TRT Terms: Alcohols; Alternatives analysis; Chemistry; Concentration (Chemistry); Conferences; Diesel engines; Diesel fuels; Esters; Ethanol; Fuels; Homogeneity; Mixtures; Oils; Solutions (Chemistry); Solvents; Tests; Vegetable oils; Vegetation; Water
• ITRD Terms: 7347: Alcohol; 9000: Alternative; 7165: Chemistry; 7132: Concentration (chem); 8525: Conference; 1314: Diesel engine; 3850: Fuel; 5916: Homogeneity; 9047: Mixture; 4961: Oil; 7131: Solution (chem); 6255: Test; 2488: Vegetation; 4355: Water
• Subject Areas: Energy; Highways; Vehicles and Equipment; I96: Vehicle Operating Costs;

Filing Info

• Accession Number: 00382020
• Record Type: Publication
• Source Agency: ARRB
• Files: ITRD, TRIS, ATRI
• Created Date: Apr 30 1984 12:00AM