Evaluation of Camelina sativa oil as a feedstock for biodiesel production |
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| Institution: | 1. Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164, USA;2. Department of Crop and Soil Science, Oregon State University, Columbia Basin Agricultural Research Center, Pendleton, OR 97801, USA;3. Department of Crop and Soil Sciences, Washington State University, Dryland Research Station, Lind, WA 99341, USA;4. Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331, USA;5. USDA-ARS, Wheat Genetics, Quality, Physiology, and Disease Research Unit, Washington State University, Pullman, WA 99164, USA;1. Central Agricultural Research Center, Montana State University, 52583 US Highway 87, Moccasin, MT 59462, USA;2. Department of Agricultural Economics and Economics, Montana State University, 205 Linfield Hall, Bozeman 59717, USA;1. College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, China;2. Yangzhou Meteorological Administration, Yangzhou, Jiangsu Province 225009, China;3. Global Institute for Food Security, University of Saskatchewan, Saskatoon, SK S7N 4L8, Canada;4. Department of Agriculture, Forestry, and Bioresources, Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea;5. Peking University Institute of Advanced Agricultural Science, Weifang, Shandong 261325, China;6. Henan Napu Biotechnology Co., Ltd., Zhengzhou, Henan Province 450002, China;7. Research Center for Camelina Sativa Planting and Engineering Technology, Anyang, Henan Province 455000, China;8. College of Water Resources Science and Engineering, Taiyuan University of Technology, Taiyuan, Shanxi Province 030024, China;9. Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu Province 225009, China;1. University of Nebraska-Lincoln, PREC, Scottsbluff, NE 69361, USA;2. University of Nebraska-Lincoln, Lincoln, NE, 68583, USA;3. USDA-ARS, Peoria, IL 61604, USA |
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| Abstract: | The oilseed crop Camelina sativa (camelina) has lower production costs than oilseed rape in some climates. For this reason, the production of biodiesel-grade methyl ester from camelina oil was evaluated. The evaluation included quality assessment of esters produced in laboratory and pilot plant, an examination of methods of improving ester low-temperature properties, and vehicle trials. Laboratory esterifications gave ester yields similar to rape-seed oil. Six 350 kg batches of unrefined camelina oil with acid values from 3 to 6 were esterified in a pilot plant. Ester-specific properties were satisfactory with one exception; the iodine number of 155 far exceeded the value of 120 required by the relevant EU standard. Fuel-specific properties of the camelina methyl esters were largely within specification, though low-temperature behaviour could be a problem in some climates. This problem could be overcome by the use of suitable pour-point depressants or by blending with diesel oil. In vehicle tests, the reduction in fuel economy with camelina ester was similar to that with biodiesel from other feedstocks. The high iodine number of camelina methyl ester did not lead to a more rapid deterioration of the lubricating oil. However, it was concluded that further engine trials would be needed before the use of camelina ester as an undiluted vehicle fuel could be recommended. |
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