Water accumulation in the alcohol extraction of cottonseed |
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Authors: | G Abraham R J Hron Sr M S Kuk P J Wan |
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Affiliation: | (1) Southern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 70179 New Orleans, Louisiana;(2) 898 Arlington, 68009 Birmingham, MI |
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Abstract: | The critical moisture content of cottonseed flakes extracted with an aqueous alcohol solvent can be defined as that flake
moisture level at which the flakes lose no moisture during extraction. This study shows that the critical moisture content
for aqueous ethanol (92%, w/w) is 3%. For aqueous isopropanol (88%, w/w) this value is 6%. If the moisture contents of the
flakes are above these levels, then the solvents pick up moisture. For moisture contents below this level, the flakes adsorb
moisture and actually dry the alcohol. It is proposed that this latter capability can be used as a basis for a method to control
water accumulation in aqueous alcohol solvent extractions. |
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Keywords: | Alcohol cottonseed extraction oilseeds water |
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