In the profitability analysis of the soybean oil extraction process, the total capital investments of extruding-expelling process, hexane extraction, and EAEP are 26.6, 41.0, and 7.6 million dollars (2015 price) based on 30.8, 22.4, and 0.1 million kg of annual soybean oil production respectively. The different scales of production are also ...Web