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    Method and apparatus for lignocellulose pretreatment using a super-cellulose-solvent and highly volatile solvents

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    Downloads: 63
    Publication Date
    2014-12-02
    Filing Date
    2013-04-22
    Inventor
    Zhang, Y. Percival
    Metadata
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    Abstract
    Embodiments of the present invention overcome the well-known recalcitrance of lignocellulosic biomass in an economically viable manner. A process and a system are provided for the efficient fractionation of lignocellulosic biomass into cellulose, hemicellulose, and lignin. The cellulose and hemicellulose thus obtained are highly amorphous and can be readily converted into highly concentrated mixtures of five and six carbon sugars using known methods. Typical yields of sugars exceed 100 grams of sugars per liter of sugar solution. Other products, such as alcohols, can easily be prepared according to methods of the invention. The modest process conditions and low solvent/solid ratios of some embodiments of the invention require relatively low capital and processing costs.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    8900369
    Application Number
    13867573
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/69/003/089/0.pdf
    Primary/U.S. Class
    127/9
    Other/U.S. Class
    127/1
    127/34
    127/37
    CPC Class
    C08B1/003
    C08H8/00
    C13K1/02
    D21C3/04
    D21C3/22
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72739
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    • Virginia Tech Patents [619]

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