PROCESS FOR SEPARATING BIOMASS COMPONENTS
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Abstract
The present invention provides a process and System for Separation of biomass components into individual components such as cellulose, hemicellulose and lignin. The present invention provides a process for separating lignin in its native form. The cellulose obtained by the process of the present invention is highly reactive for saccharification.
12 Citations
22 Claims
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1-11. -11. (canceled)
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12. A process for separating biomass components namely cellulose, hemicellulose and lignin, said process comprising steps:
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a) contacting biomass with an alkaline agent capable of dissolving essentially lignin in said biomass under predetermined temperature and pressure to dissolve lignin; b) removing the lignin under pressure; c) reacting mild acid or water under predetermined temperature and pressure with the remaining residue of step (a) to hydrolyze hemicellulose and subsequently removing the same from biomass; d) obtaining cellulose from the remaining biomass. - View Dependent Claims (13)
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19. A system for separating biomass comprising:
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(a) a reactor chamber for containing biomass having at least one inlet and at least one outlet; (b) at least one cylinder for storing alkaline agent, said cylinder is in fluid flow communication with the inlet of the reactor chamber for supplying alkaline agent to the reactor chamber for dissolving lignin; (c) a reservoir suitable for containing water and/or mild acid, said reservoir is in fluid flow communication with the inlet of the reactor chamber for supplying water and/or acid to reactor chamber to hydrolyze hemicellulose; (d) a receiver coupled to the outlet of the reactor chamber for receiving dissolved lignin or hydrolyzed hemicellulose from the reactor chamber; wherein the flow connections between the inlet of the reactor chamber and bank cylinder, reservoir and boiler are adapted to operate in tandem. - View Dependent Claims (20, 21, 22)
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Specification