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Pure Energy's Ethanol Diesel Blend Burns Cleaner Published: Monday, 19 November 2001 ---------------------------------------------------------------------- ---------- by Albert Hester - Industrial Bioprocessing Alert Pure Energy Corp. has developed an oxygenated fuel that is a blend of diesel fuel with 15 percent ethanol and a proprietary stabilizing additive. The ethanol improves the emissions profile of the diesel, and, of course, replaces part of the petroleum product with a renewable material. The company has just been awarded US Patent 6,306,184 covering some of its technology in this area. In addition to low-sulfur No. 2 diesel fuel and ethanol, the fuel includes a stabilizing additive and may also include, an alkyl ester of a fatty acid, with or without a co-solvent. The stabilizing additive may be a mixture of two different ethoxylated fatty alcohols with hydrocarbon chain lengths of 9 to 13 carbon atoms. Or, it may also be a polymeric material. This is formed by reacting ethoxylated alcohol with an amide. The ethoxylated alcohol includes at least 75 percent of one or more straight-chain alcohols with a chain length of 9 to 15 carbon atoms. The amide is made by reacting an alcohol amine and an alkyl ester of a fatty acid. A variety of materials may be used as co-solvents. One group is alkyl alcohols with three to six carbon atoms, such as tertiary butyl alcohol. Other materials include naphtha, gamma-valerolacetone, kerosene, and hydrocarbons. Estimated cost of the oxygenated diesel when it goes into full-scale production is $0.05 to $0.07 per gallon higher than No. 2 diesel fuel. It should be cost competitive with No. 1 diesel and potentially could have a lower price than future low-sulfur diesel fuels. Several demonstration projects have been run to test the fuel. Archer Daniels Midland Co. (Decatur, IL) tested it in four Mack trucks in the winter of 1998-1999. Temperatures often dropped below zero. Vehicles using the fuel started every time, including a period when the temperature dipped to minus 18 degrees C, when standard diesel fuel gelled. They posed no drivability problems. The Chicago Transit Authority tested it in 15 buses, comparing performance with 15 buses on diesel, in May 1999. Results are not available yet. The University of Illinois Urbana-Champaign is currently testing the fuel's engine performance and Oak Ridge National Laboratory (Oak Ridge, TN) is running emissions tests. The company is looking for other participants for demonstrations to broaden the types of users and vehicles using the oxygenated fuel. Related Research Report and Alert: Advances in Biotechnology for Chemical Manufacture (D474) Industrial Bioprocessing Alert ------------------------ Yahoo! Groups Sponsor ---------------------~--> Universal Inkjet Refill Kit $29.95 Refill any ink cartridge for less! Includes black and color ink. http://us.click.yahoo.com/1_Y1qC/MkNDAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
