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  1. University of Yangon
  2. Department of Industrial Chemistry

Palm Oil Fractionation Process

http://hdl.handle.net/20.500.12678/0000006975
http://hdl.handle.net/20.500.12678/0000006975
38cad35d-21af-43e6-9bff-246b438510ff
7f514608-b513-4d99-9105-b9f9f5181fbc
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Journal article
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Publication
Title
Title Palm Oil Fractionation Process
Language en
Publication date 2019-01-01
Authors
Lei Lei Aung
Myint Pe
Pansy Kyaw Hla
Description
Palm oil is semisolid at ordinary temperatures of 20º to 27ºC because of the precipitation of saturated glycerides. These glycerides have relatively high melting points and possess only a limited solubility in the unsaturated glycerides. Fractionation was carried out for the separation of high-melting triglycerides from low-melting triglycerides by crystallization when they melt.
The purification steps of the crude palm oil sample such as filtration, degumming, neutralization and bleaching was carried out to ensure the removal of non-glycerides impurities which also affect the fractionation process. By the method of fractional crystallization after complete treatment of Crude Palm Oil (CPO), Filtered, Degummed, Neutralized and Bleached Palm Olein (FDNB Palm Olein) was produced. In this process, liquid olein was produced as the main product and solid stearin as by-product. Separation of liquid (olein) and solid (stearin) was carried out by centrifugation. Plate-and-frame filtration method (Yashino System) was also attempted. To control the process and quality of the product, analysis of oil was carried out after every stage of processing from CPO. In this study, second fractionation of palm oil at 25ºC gave the favorable conditions in which the iodine value of super olein was raised to 65.35 and refractive index of those was also increased to 1.4655.
Keywords
saturated glycerides, fractional crystallization, CPO, FDNB palm olein, stearin
Journal articles
Journal of Myanmar Academy Arts and Science
435-446
Vol. VII. No. 1
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