Method for producing sugar syrup from sugar-containing raw...

C - Chemistry – Metallurgy – 13 – F

Patent

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Details

C13F 3/00 (2006.01) C13D 1/00 (2006.01) C13D 3/00 (2006.01) C13D 3/14 (2006.01) C13D 3/16 (2006.01) C13D 3/18 (2006.01) C13F 1/00 (2006.01)

Patent

CA 2295659

The present invention relates to a method for producing refine-grade sugar syrup when harvesting agricultural sugar-containing crops. The present invention relates to the implementation of a new industrial process that comprises the following steps: carrying out a thermal-acid treatment of the sugar-containing liquor; carrying out an electro-chemical and ultra-filtration treatment of said liquor; electrolysing the liquor; processing the liquor in ion-exchange columns with a sorbent; condensing the liquor using a reverse- osmosis method; and evaporating said liquor to a concentration allowing for an extended shelf-life. The liquor is industrially and safely purified using ultra-filtration, reverse osmosis and ion-exchange membranes during the crop transformation process. The sugar-containing product obtained using the method of the present invention may be used in various industries such as in the production of confectionery, alcohol-free beer and tins, for bread baking or in the crystallisation of refined sugar.

Cette invention concerne un procédé qui permet de produire du sirop de sucre raffiné lors de la récolte de plantes sucrières. Cette invention concerne plus précisément la mise en oeuvre d'un nouveau processus industriel qui comprend les étapes suivantes: effectuer un traitement thermique et acide de la liqueur contenant du sucre; soumettre cette liqueur à un traitement électrochimique et d'ultrafiltration; effectuer une électrolyse de la liqueur; traiter la liqueur dans des colonnes d'échange ionique et dans un sorbant; concentrer la liqueur par osmose inverse; et enfin, faire évaporer la liqueur jusqu'à ce que l'on atteigne un concentration assurant sa longue conservation. La purification de la liqueur se fait de manière sûre et industrielle à l'aide de membranes d'ultrafiltration, d'osmose inverse et d'échange ionique lors du processus de transformation de la récolte. Le produit à base de sucre ainsi obtenu peut être utilisé dans les domaines de la confiserie, de la production de bières sans alcool, des conserves, de la boulangerie, ainsi que dans la cristallisation de sucre raffiné.

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