C - Chemistry – Metallurgy – 13 – B
Patent
C - Chemistry, Metallurgy
13
B
C13B 35/06 (2011.01) C13B 20/12 (2011.01) C13B 20/14 (2011.01) C13B 20/18 (2011.01) C13B 50/00 (2011.01)
Patent
CA 2634371
The invention relates to a process for the recovery of a brown food-grade sugar product from sugar beet solutions, which can be obtained from various beet sugar process streams, such as thin juice, thick ju ice and molasses. The process com prises providing a sugar beet solution, which contains malodorous volatiles as a result of one or more purif ication processes; subjecting said sugar beet solution to electrodialysis to provide an electrodialyzed liquid, wherefrom malodorous volatiles are at least partly removed; and recovering from said electrodialyzed liquid a product selected from liquid and solid brown sugar products of food-grade and combinations thereof. The invention also relates to food-grade beet sugar products derived from a sugar beet solution. These products are suitable for substituting the corresponding cane sugar derived products. In a further aspect the invention relates to the use of electrodialysis for removing malodorous volatile components from a sugar beet solution.
L'invention concerne un procédé de récupération d'un produit de sucre brun de qualité alimentaire de solutions de betterave sucrière, pouvant être obtenu à partir de divers flux de traitement de betterave sucrière, tel que du jus épuré, du jus épais, et de la mélasse. Le procédé consiste à fournir un solution de betterave sucrière, qui contient des volatils malodorants résultant d'un ou plusieurs processus de purification; à soumettre cette solution de betterave sucrière à l'électrodialyse afin de fournir un liquide électrodialysé, les volatils malodorants étant ainsi partiellement éliminés; et à extraire de ce liquide un produit sélectionné parmi les produits de sucre brun liquide et solide de qualité alimentaire et des combinaisons de ceux-ci. L'invention concerne également des produits de betterave sucrière de qualité alimentaire dérivés d'une solution de betterave sucrière. Ces produits peuvent substituer des produits correspondants dérivés de la canne à sucre. Dans un autre de ses aspects, l'invention concerne l'utilisation de l'électrodialyse afin d'éliminer les composants volatils malodorants de la solution de betterave sucrière.
Carter Melvin P.
Jensen John Preben
Borden Ladner Gervais Llp
Danisco Sugar A/s
Nordic Sugar A/s
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