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Methods of biomass pretreatment
(United States. Patent and Trademark Office, 1999-02-02)
The invention is directed to methods for the pretreatment of a lignocellulose-containing biomass. Pretreatment comprises the addition of calcium hydroxide and water to the biomass to form a mixture, and subjecting the ...
Recovery of fermentation salts from dilute aqueous solutions
(United States. Patent and Trademark Office, 1999-11-16)
Dilute solutions of fermentation sales may be concentrated by extracting water using low-miscibility, low-molecular-weight secondary and tertiary amines, e.g. triethylamine (TEA), diisopropyl amine (DIA), N,N-diethylmethylamine ...