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IOI LodersCroklaan – Extraction of Spent Bleaching Earth

Last updated 955 days ago by Albert Verver


NL GUTS Group of Users of Technology for Separation in the Netherlands


20140923 IOI LodersCroklaan – Erik Schweizer - “Extraction of Spent Bleaching Earth”

IOI LodersCroklaan Rotterdam refines crude vegetable oils. One of the process steps is bleaching earth filtration. Spent bleaching earth is disposed of for fermentation and incineration. Total amount in NL is 50.000 ton/year, still containing 25% of vegetable oil with very valuable compounds to be recovered at highest purity.

Theory and test results of different extraction methods were presented. They justify the development of a spent bleaching earth extraction plant that both recovers valuable compounds and produces extracted bleaching earth for reuse/recycle. http://europe.ioiloders.com


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