Process and plant for evaporative concentration and crystallization of a viscous lactose-containing aqueous liquid
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United States of America Patent
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Sep 14, 2004
Grant Date -
Oct 23, 2003
app pub date -
Apr 18, 2002
filing date -
Apr 17, 2002
priority date (Note) -
Expired
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Abstract
Crystalline .alpha.-lactose monohydrate is recovered from a viscous lactose-containing aqueous liquid by subjecting said liquid to simultaneous heating, removal of evaporated vapor and mechanical agitation at high shear rate to provide a crystallization promoting decrease of the viscosity of the liquid with crystals formed and suspended therein to progressively concentrate the agitated liquid and simultaneously crystallize lactose therefrom. Subsequent cooling, drying, and disintegration yield particulate .alpha.-lactose monohydrate.
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