US PATENT SUBCLASS 127 / 48
.~.~.~.~ Chemical precipitation of impurities

Current as of: June, 1999
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127 /   HD   SUGAR, STARCH, AND CARBOHYDRATES

*  DD  PROCESSES {1}
34  DF  .~ Carbohydrate manufacture and refining {3}
42  DF  .~.~ Sugar manufacture and refining {3}
46.1  DF  .~.~.~ Treatment of sacchariferous solutions {5}
48.~.~.~.~ Chemical precipitation of impurities {4}
49  DF  .~.~.~.~.~> Impregnated absorbent
50  DF  .~.~.~.~.~> Alkaline reagent followed by precipitant
51  DF  .~.~.~.~.~> Acid reagent followed by precipitant
52  DF  .~.~.~.~.~> Gassing

DEFINITION

Classification: 127/48

Processes peculiar to the precipitation of impurities from solutions containing sugars. Precipitation may be effected by heat or by added reagents provided a rearrangement of molecules is effected.