Concentrated acid treatment unit, concentrated acid treatment method, phase-separation system plant for botanical resource, and conversion method
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United States of America Patent
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Dec 31, 2013
Grant Date -
Aug 11, 2011
app pub date -
Oct 21, 2009
filing date -
Oct 23, 2008
priority date (Note) -
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Abstract
A concentrated acid treatment unit is composed of a reaction section and an agitation extraction section. A phenol sorped raw material obtained by defatting botanical resource-derived raw material by solvent to subject sorption phenols to sorption is introduced, thus obtaining mixed solution of phenol solution including a lignophenol derivative and concentrated acid solution including a cellulose hydrolysate. The reaction section agitates and mixes the phenol sorped raw material and concentrated acid to cause cellulose to be swollen to thereby convert lignin to lignophenol. A part of the cellulose is subjected to hydrolysis. The agitation extraction section receives the treated liquid sent from the reaction section and adds phenols for extraction thereto to cause lignophenol dispersed in the concentrated acid solution to be dissolved and extracted in phenols for extraction.
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