Utilization of cellulosic and lignocellulosic materials

Details Utilization of cellulosic and lignocellulosic materials Utilization of cellulosic and lignocellulosic materials

C - Chemistry, Metallurgy

12

P

195/2, 260/232,

C12P 7/10 (2006.01) C07C 9/04 (2006.01) C13K 1/02 (2006.01) C13K 1/04 (2006.01)

Patent

CA 1175820

ABSTRACT OF THE DISCLOSURE Method of converting lignocellulosic material to useful products such as ethanol, methanol, methane, organic acids and furfural, also producing best for use in the process and if feasible or advantageous for use outside the system; such method comprising a two stage hydrolysis with a sensitization step between, followed by wet oxidation whereby the production of monosaccharides is maximized and their degradation is minimized; the products of hydrolysis (monosaccharides) and of wet oxidation of ligneous material left as residue from hydrolysis are converted. as by fermentation of monosaccharides, methanantion and processes of separation into useful end products such as ethanol, methane, methanol, organic acids and furfural; such method and system minimizing degradation to carbon dioxide, carbon monoxide and water and minimizing or eliminating the production of solid waste material.

348089

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