Abstract:
This chapter describes the main characteristics of various biodiesel process technologies (batch, semi-continuous, continuous flow; base- and acid-catalysed; plant size from miniplants at community level to large-scale plants; plant modularity; feedstock quality control, etc.) in terms of critical success factors. Plant technology is discussed in relation to feedstock supply. Factors affecting biodiesel manufacturing technology are outlined as well as minimum conditions for economically viable biodiesel plants. Several proprietary transesterification processing technologies are described. Selected biodiesel producers worldwide (Europe, USA, South-East Asia, South America), ranging from community-based production units to highly integrated biodiesel plants, are considered. Biodiesel blending techniques are evaluated.