Dry palm oil fractionation is the most economical fractionation without adding any solvent. The oil in dissolved state is cooled slowly to a certain degree, passing through filtration to separate crystals and precipitate solid ester.
Palm Oil Fractionation Process Chart:
Dry palm oil fractionation includes three steps below:
1)Heat treatment
2)Form crystal nuclei and allow crystal growth and maturity by cooling method.
3)Filtration separates soft fat from solid.
One time fractionation is enough, but twice palm oil fractionation is in need for some relatively high demand industry of stearin, such as confectionery industry.
Major equipment: Crystal jar, Water-cooled screw chillers, Membrane filter press
Application: New type oil Fractionation technology applicable for palm oil, Cottonseed oil, ect.
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