Dissolution method for lignocellulosic materials

Details Dissolution method for lignocellulosic materials Dissolution method for lignocellulosic materials

C - Chemistry, Metallurgy

08

J

C08J 3/09 (2006.01) C08J 3/28 (2006.01) D21C 3/20 (2006.01)

Patent

CA 2532989

The invention relates to a method for dissolving wood, straw and other natural lignocellulosic materials in an ionic liquid solvent under microwave irradiation and/or under pressure. The invention also relates to the resulting solution and to methods for separating cellulose and other organic compounds, such as lignin and extractives, from the solution.

L'invention concerne un procédé pour dissoudre le bois, la paille ou d'autres matières lignocellulosiques dans un solvant liquide ionique sous l'effet d'un rayonnement millimétrique et/ou sous pression. L'invention concerne également une solution finale et des procédés pour séparer, d'une part, la cellulose et d'autres matières organiques telles que la lignine et extracteurs et, d'autre part, la solution.

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