Method for the production of white sugar of commercial quality from microfiltered or ultrafiltered raw beet juice

摘要

Method for the preparation of white sugar of commercial quality from raw beet sugar, including the following operations: a) microfiltration or ultrafiltration of the juice, after separating the organic and mineral particles whose size is above 50 microns, using membranes whose size is between 5000 MWCO and 0.5 micron; b) juice sweetening; c) juice concentration in multi-effect evaporators; d) cooling crystallisation of the juice thus obtained; e) separation and washing of the crystals. <IMAGE>