soybean oil processing machine hotcold oil press mill to produce in durban

                                               
                                               
                                               
                                               
                                               
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  • How is soybean processed?
  • Modern soybean processing starts with solvent extraction to obtain crude oil and defatted meal. Most defatted meal is used for animal feed and only a small portion is further processed into different types of soy protein products for human consumption (see Chapter 8). Crude oil contains variable amounts of nontriglyceride materials.
  • What is modern soybean oil?
  • Modern soy oil is a stable high quality triglyceride ingredient used widely in commercial processed foods. It is without other lipid contaminants and available at a reasonable cost. Modern soybean processing starts with solvent extraction to obtain crude oil and defatted meal.
  • What are the sources of wastewater from soy oil processing?
  • 1. Wastewater Control The sources of wastewater from soy oil processing are (I) process wastewater, which has been in contact with oil, (2) noncontact cooling water that is uncontami nated because it has been circulated in pipes, and (3) rainwater runoff, which may have been in contact with contaminated areas (Smallwood 1995).
  • How is oil processed?
  • The oil is then centrifuged once more, vacuum dried, and stored before further processing. Oil at this stage of processing is sometimes referred to as once refined oil and should have the following quality specifications: free fatty acid 0.035-0.06%, phosphorus 0-1.1 ppm, soap 0 ppm, peroxide value 0.9-3.3 mEql kg (Erickson 1995).
  • Is a soybean extruder a good investment?
  • Some success has also been found by extruding soybeans at 10-14% moisture (Rittner 1984; Nelson et al. 1987). To summarize, the additional expense of an extruder can only be justified if there is a subsequent increase in extraction efficiency and oil quality (Kemper 1995).
  • How to prepare soybeans before extraction?
  • Conventional preparation of soybeans before extraction consists of cleaning (scal ping), drying, cracking, dehulling (optional), conditioning, and flaking. The first preparation step is cleaning to remove foreign materials from the soy beans.