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Process for converting unfermentable sugars in vinasse to fermentable sugars

  • US 2,529,131 A
  • Filed: 10/09/1947
  • Issued: 11/07/1950
  • Est. Priority Date: 03/27/1947
  • Status: Expired due to Term
First Claim
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1. A PROCESS FOR CONVERTING UNFERMENTABLE SUGARS TO FERMENTABLE SUGARS IN A VINASSE OF THE TYPE DESCRIBED, WHICH COMPRISES HEATING SAID VINASSE IN SUCH A DILUTE CONDITION AS TO CONTAIN NO MORE THAN ABOUT 3% BY WEIGHT OF SAID UNFERMENTABLE SUGARS, FOR ABOUT 15-60 MINUTES AT A TEMPERATURE OF ABOUT 140-160*C., WITH AN AMOUNT OF A STRONG MINERAL ACID EQUIVALENT TO ABOUT 8-15% OF HYDROCHLORIC ACID AS RECKONED ON THE WEIGHT OF SAID UNFERMENTABLE SUGARS AND CONVERTING SUBSTANTIALLY COMPLETELY SAID UNFERMENTABLE SUGARS TO FERMENTABLE SUGARS.

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