Method for crystallizing anhydrous fructose from its aqueous solutions
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United States of America Patent
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Mar 27, 2001
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app pub date -
Jan 27, 1992
filing date -
Jan 27, 1992
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Abstract
Methods of crystallizing anhydrous fructose from aqueous solutions using a large scale crystallizer are provided. The various crystallization methods include at least a cooling crystallization step wherein cooling is controlled so as to maintain a temperature difference between the solution and the cooling element of less than about 10.degree. C., and maintain supersaturation of the aqueous solution with respect to the saturated fructose at a ratio between 1.1 and 1.25, whereby optimum heat transfer and a fructose crystal growth rate of at least 0.008 mm/hr is achieved with little or no spontaneous crystal nucleation.
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