July 2007

Trends and Resources

HP Innovations

Licensed 'green' diesel process offers improved properties UOP LLC and Eni S.p.A. have developed a new processing technology to produce a high-quality diesel or diesel blendstock. The process, Green D..

Licensed 'green' diesel process offers improved properties UOP LLC and Eni S.p.A. have developed a new processing technology to produce a high-quality diesel or diesel blendstock. The process, Green Diesel, uses a wide variety of vegetable oil feeds to produce what are claimed to be high-cetane, low-gravity, low-aromatic and sulfur-free diesel fuels. Potential organic feed oils include soybean, palm, jatropha and rapeseed oils. This method uses hydroprocessing with hydrogen to remove the triglyceride molecules of the vegetable oil. The process yields a purely paraffinic product—Green Diesel. Some propane, water and carbon dioxide are produced as byproducts. As shown in Fig. 1, the

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