Methylal and Methylal-Diesel Blended Fuels from Use In Compression-Ignition Engines

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Gas-to-liquids catalytic conversion technologies show promise for liberating stranded natural gas reserves and for achieving energy diversity worldwide. Some gas-to-liquids products are used as transportation fuels and as blendstocks for upgrading crude derived fuels. Methylal (CH{sub 3}-O-CH{sub 2}-O-CH{sub 3}) also known as dimethoxymethane or DMM, is a gas-to-liquid chemical that has been evaluated for use as a diesel fuel component. Methylal contains 42% oxygen by weight and is soluble in diesel fuel. The physical and chemical properties of neat methylal and for blends of methylal in conventional diesel fuel are presented. Methylal was found to be more volatile than diesel ... continued below

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Vertin, Keith D.; Ohi, James M.; Naegeli, David W.; Childress, Kenneth H.; Hagen, Gary P.; McCarthy, Chris I. et al. May 5, 1999.

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Gas-to-liquids catalytic conversion technologies show promise for liberating stranded natural gas reserves and for achieving energy diversity worldwide. Some gas-to-liquids products are used as transportation fuels and as blendstocks for upgrading crude derived fuels. Methylal (CH{sub 3}-O-CH{sub 2}-O-CH{sub 3}) also known as dimethoxymethane or DMM, is a gas-to-liquid chemical that has been evaluated for use as a diesel fuel component. Methylal contains 42% oxygen by weight and is soluble in diesel fuel. The physical and chemical properties of neat methylal and for blends of methylal in conventional diesel fuel are presented. Methylal was found to be more volatile than diesel fuel, and special precautions for distribution and fuel tank storage are discussed. Steady state engine tests were also performed using an unmodified Cummins 85.9 turbocharged diesel engine to examine the effect of methylal blend concentration on performance and emissions. Substantial reductions of particulate matter emissions h ave been demonstrated 3r IO to 30% blends of methylal in diesel fuel. This research indicates that methylal may be an effective blendstock for diesel fuel provided design changes are made to vehicle fuel handling systems.

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OSTI as DE00771075

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  • International Spring Fuel and Lubricants Meeting and Exposition, Dearborn, MI (US), 05/03/1999--05/06/1999

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  • Report No.: SAE/TPS-1999-01-1508
  • Office of Scientific & Technical Information Report Number: 771075
  • Archival Resource Key: ark:/67531/metadc718303

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  • May 5, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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Vertin, Keith D.; Ohi, James M.; Naegeli, David W.; Childress, Kenneth H.; Hagen, Gary P.; McCarthy, Chris I. et al. Methylal and Methylal-Diesel Blended Fuels from Use In Compression-Ignition Engines, article, May 5, 1999; (digital.library.unt.edu/ark:/67531/metadc718303/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.