Manufacturing method of xylose with cottonseed hulls as material
Abstract
Abstract A METHOD OF MANUFACTURING XYLOSE FROM COTTONSEED HULL INVOLVING THE STEPS WHEREIN (1) COTTONSEED HULL, AFTER ADDING 0.1% TO 1.0% ALKALI SOLUTION THERETO, IS HEATED UNDER A PRESSURE BETWEEN AMBIENT AND 1 KG./CM.2 GAUGE, THE RESULTANT IMPURITIES DISSOLVED IN THE SAID SOLUTION BEING REMOVED THEREFROM, (2) THE THUS TREATED COTTONSEED HULL IS THEN HYDROLYZED BY HEATING WITH SULFURIC ACID AND THE ACETIC ACID BY-PRODUCT REMOVED FROM THE RESULTANT SACCHARIFIED SOLUTION BY EVAPORATION BY BLOWING STEAM ACROSS THE SOLUTION; AND (3) THE SOLUTION OF STEP 2 IS NEUTRALIZED BY ADDING LIME, THERETO, THE RESULTANT PRECIPITATE IS FILTERED AND THE RESIDUAL LIME IS REMOVED FROM THE RESULTANT FILTRATE BY ADDING OXALIC ACID THERETO AND CAUSING THE LIME TO PRECIPITATE.
Inventors
- 👤 Kinshi Suminoe
- 👤 Kunitsugu Okamura
Bibliographic Details
Claims Analysis
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