DeGuide


DeGuide :

A sugar extraction and purification process in which barium is recycled. Addition of barium hydroxide to molasses precipitates barium saccharate. A slurry of this is treated with carbon dioxide, forming barium carbonate and releasing the sugar. The barium carbonate is reconverted to the hydroxide by a two-stage process involving monobarium and tribarium silicates: 2BaCO3 + BaSiO3 + Ba3SiO5 + 2CO2 → Ba3SiO5 + 2H2O + BaSiO3 + 2Ba(OH)2. (Check source for accuracy of chemical formula)

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