Abstract
Abstract Using inexpensive and high-quality oil feedstock is an effective means to produce low-cost biodiesel. This work investigated the production and fuel properties of biodiesel derived from Hodgsonia macrocarpa (HM). The oil content of HM seed was 71.65 wt%, which is much higher than that of many potential oil plants. With traditional base-catalyzed transesterification, biodiesel was readily prepared from HM seed oil. The biodiesel yield was 95.46 wt% from HM seed oil. Biodiesel derived from HM met all ASTM D6751 and EN 14214 specifications, except for oxidative stability (OS). The OS specifications of the two biodiesel standards were met after treatment of HM biodiesel with 400 ppm tertbutyl hydroquinone. The biodiesel exhibited excellent transportation safety and cold flow properties, with flash point of 153 °C, pour point of −9 °C, and cold filter plugging point of −7 °C.
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