HIGH SURFACE AREA COMPOSITION COMPRISED OF LIGNIN
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Abstract
Disclosed in this specification is a lignin composition having unique characteristics relative to its characteristics as found in its natural environment. The lignin has been modified so that more lignin decomposes at the lower lignin decomposition temperature than decomposes at the higher lignin decomposition temperature and the lignin composition has a very high surface area relative to naturally occurring lignin compositions.
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20 Claims
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1-10. -10. (canceled)
- 11. A composition derived from a naturally occurring ligno-cellulosic biomass comprising lignin and a total amount of carbohydrates having at least one carbohydrate characterized in that the BET surface area of the composition is in the range of 4 to 80 m2/g and the thermal decomposition of the composition via TGA shows a first derivative peak corresponding to a first lignin decomposition temperature range and a second derivative peak corresponding to a second lignin decomposition temperature range and the mass associated with the first derivative peak is greater than the mass associated with the second derivative peak, wherein the Hydrogen content of the total amount of the carbohydrates is sufficient for deoxygenating the lignin in deoxygenating conditions.
Specification