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  • Can two-stage extruding-expelling process improve soybean oil yield?
  • To examine the viability of this improved two-stage extruding-expelling process, techno-economic analysis was performed by using SuperPro Designer for simulation of the soybean extruding-expelling process. Soybean oil yield increases to over 70% compared to the conventional single-step expelling process with 60%.
  • Is soybean meal a profitable oil extruding process?
  • Though the oil expelling process is used to produce oil, the soybean meal is actually the driving force for the whole production system. From Figure 8 a, the increasing economic and markets can be also impacted. The extruding-expelling process has positive gross and net profits, indicating this process was profitable.
  • What is soybean oil extruding-expelling tea model?
  • Flow diagram of soybean oil extruding-expelling TEA model. The extrusion process follows crop handling. Different from typical conventional expelling processes, there was no need for cooking before expelling in the extruding-expelling process. During the extruding process, heat was generated during extruding because of friction among soybeans.
  • Is oil removal from soybeans economic?
  • Unfortunately, very few studies have examined the economics of oil removal from soybeans, especially for industry-scale mechanical expelling. This study focused on the extruding-expelling process to produce crude soybean oil (degummed). The objective of this study was to construct a techno-economic simulation model.
  • How is soybean oil extruded?
  • The end of the screw allows for seeds to be extruded through a perforated plate and discharges oil [17,22,23]. Extrusion has been used as pretreatment prior to expeller pressing of soybean oil, extracting over 70% of oil compared to single-step expelling, which yielded 60% .
  • What are soybean seeds used for?
  • In cattle feeding, soybean seeds are utilized as whole, cracked, roasted, and extruded full-fat seed; after oil pressing as cold press cakes and extruded oil cakes; and moreover, late-ripening soybean plants with late maturity are used as fodder plants.