کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10274910 | 461773 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modifying soybean oil for enhanced performance in biodiesel blends
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Soybean (Glycine max Merr.) oil is primarily composed of five fatty acids; palmitic acid (â¼13%), stearic acid (â¼4%), oleic acid (â¼18%), linoleic acid (â¼55%) and linolenic acid (â¼10%). The average U.S. production of soybean oil from 1993 to 1995 was 6.8 billion kg and in 2002 soybeans were harvested from more than 30 million ha across the U.S., which accounts for 40% of the total world soybean output. This production capacity accounts for more than 50% of the total available biobased oil for industrial applications. A useful industrial application of soybean oil is in biodiesel blends. On a liquid basis, the total soybean oil production capacity would be equivalent to 1.9 billion gal of diesel, about 6.9% of the diesel fuel consumed in the United States for transportation in 1996. A number of positive attributes are realized with the use of soybean oil-derived biodiesel, including enhanced biodegradation, increased flashpoint, reduced toxicity, lower emissions and increased lubricity. However, the two parameters that have limited usefulness of a soybean oil-derived biodiesel as a fuel are oxidative instability and cold flow in northern climates. The latter is not an issue in warmer environments, and thus soybean oil modifications designed to maximize engine performance should be targeted with marketplace locale considerations in mind. Implementing the tools of biotechnology to modify the fatty acid profile of soybean for locale performance enhancement may increase the attractiveness of biodiesel derived from this commodity crop.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel Processing Technology - Volume 86, Issue 10, 25 June 2005, Pages 1137-1147
Journal: Fuel Processing Technology - Volume 86, Issue 10, 25 June 2005, Pages 1137-1147
نویسندگان
A.J. Kinney, T.E. Clemente,