refining fourth third second and first class soybean oil machine in morocco

                                               
                                               
                                               
                                               
                                               
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  • What are the by-products of refining soybean oil?
  • Refining of soybean oil, to make a neutral, bland-flavored, and light-colored oil, results in several by-products. The by-products consist of various mixtures of phosphatides, unsaponifiables, glycerides, free fatty acids, and soap. Lecithin contains mostly hydratable phosphatides, together with some free fatty acids and neutral oil (glycerides).
  • Is degumming necessary for refining soybean oil?
  • Degumming is not essential for the refining process, and it is common practice for many processors to refine crude soybean oil without degumming (2). Soapstock from refining nondegummed oil is much greater in quantity than that from degummed oil and has a higher content of phosphatides, which would have been removed in degumming.
  • Which step in soybean oil processing improves its flavor?
  • Though, in soybean oil processing, color reduction occurs at each step: degumming, caustic refining, bleaching, hydrogenation, and deodorization, but bleaching improves the flavor of refined soybean oil.
  • What are the uses of soybean oil residues in a biorefinery?
  • Residues obtained during soybean oil extraction, as well as the ones obtained from refining and from concentration of proteins, can generate products with commercial value and/or be used to provide energy for the biorefinery itself.
  • Can soybean oil refinery waste be recycled to produce biosurfactant?
  • Partovi, M., Lotfabad, T.B., Roostaazad, R., Bahmaei, M., Tayyebi, S.: Management of soybean oil refinery wastes through recycling them for producing biosurfactant using Pseudomonas aeruginosa MR01. World J. Microbiol. Biotechnol. 29, 1039¨C1047 (2013)
  • What is the old chemical refining method?
  • The old chemical refining method was a caustic treatment for removing all phospholipids (PL) and free fatty acids from oils. This step transforms the oil's free fatty acids (FFA) into soap to help produce an emulsion to remove the non-hydratable phospholipids (NHP).