Dry Fractionation. The principle of this fractionation process is based on the cooling of oil under controlled conditions without the addition of chemicals. The liquid and solid phases are separated by filtration. Fig. 15.1 shows the flow
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Refining of soybean oil to make a neutral, bland-flavored, and light-colored oil results in several byproducts. Fig. 17.1 diagrams the conventional refining process and shows the byproducts that are generated at each stage. Download : Download
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The tank is then settled, and the acid water layer drawn off. The acid oil is water-washed by adding 25 to 50% water, boiling for a short time, and settling thoroughly. After the water layer is drawn off, the acidulated soapstock will be stored
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The tank is then settled, and the acid water layer drawn off. The acid oil is water-washed by adding 25 to 50% water, boiling for a short time, and settling thoroughly. After the water layer is drawn off, the acidulated soapstock will be stored
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The oil content in the concentrated mixture obtained from the leaching process is generally 10 to 30%.In order to get the crude oil, the solvent must be evaporated from the mixed oil. The residual solvent index in the crude oil is 50-500 ppm.
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Protein ≥90% Moisture ≤7.0% Fat ≤1% NSI ≥85% Ash content ≤6.0% pH 7.2±0.2 Water and Oil absorption 1:4:4 Fineness ≥95% Total number of bacteria ≤30000 per gram Pathogenic bacteria must not be detected. Inspection standards
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