Process for extraction of hemicellulose
First Claim
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1. THE METHOD OF EXTRACTING HEMICELLULOSE FROM CORN BRAN WHICH CONSISTS IN TREATING THE CORN BRAN WITH ALKALI SELECTED FROM THE CLASS CONSISTING OF SODIUM, POTTASSIUM, AMMONIUM AND CALCIUM HYDROXIDES,, THE TREATMENT COMPRISING MIXING THE CORN BRAN IN THE PRESENCE OF WATER WITH SAID ALKALI AND MAINTAINING THE MIXTURE AT A TEMPERATURE WITHIN THE RANGE ROOM TEMPERATURE TO 190* C., AT LEAST 23% OF SAID ALKALI COMPRISING CALCIUM HYDROXIDE, THE TOTAL ALKALI BEING IN AN AMOUNT TO PROVIDE A PH WITHIN THE RANGE OF 10-12.5 AT THE BEGINNING OF THE EXTRACTION REACTION, AND THEN SEPARATING THE RESULTING HEMICELLULOSE EXTRACT FROM THE RESIDUAL SOLIDS.
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1 Claim
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1. THE METHOD OF EXTRACTING HEMICELLULOSE FROM CORN BRAN WHICH CONSISTS IN TREATING THE CORN BRAN WITH ALKALI SELECTED FROM THE CLASS CONSISTING OF SODIUM, POTTASSIUM, AMMONIUM AND CALCIUM HYDROXIDES,, THE TREATMENT COMPRISING MIXING THE CORN BRAN IN THE PRESENCE OF WATER WITH SAID ALKALI AND MAINTAINING THE MIXTURE AT A TEMPERATURE WITHIN THE RANGE ROOM TEMPERATURE TO 190* C., AT LEAST 23% OF SAID ALKALI COMPRISING CALCIUM HYDROXIDE, THE TOTAL ALKALI BEING IN AN AMOUNT TO PROVIDE A PH WITHIN THE RANGE OF 10-12.5 AT THE BEGINNING OF THE EXTRACTION REACTION, AND THEN SEPARATING THE RESULTING HEMICELLULOSE EXTRACT FROM THE RESIDUAL SOLIDS.
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Current AssigneeMorton W. Rutenberg, William Herbst
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Original AssigneeMorton W. Rutenberg, William Herbst
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InventorsRutenberg, Morton W., Herbst, William
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Application NumberUS03/547,569Time in Patent Office628 DaysField of SearchUS Class Current435/277CPC Class CodesC08B 37/0057 beta-D-Xylans, i.e. xylosac...
