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    • 1. 发明申请
    • SYSTEM FOR PRE-TREATMENT OF BIOMASS FOR THE PRODUCTION OF ETHANOL
    • 用于生产乙醇生产的预处理系统
    • WO2010102060A2
    • 2010-09-10
    • PCT/US2010/026122
    • 2010-03-03
    • POET RESEARCH, INC.MCDONALD, William, F.KWIATKOWSKI, Jason, RichardNARENDRANATH, Neelakantam, V.BOOTSMA, Jason, AlanCARLSON, David, Charles
    • MCDONALD, William, F.KWIATKOWSKI, Jason, RichardNARENDRANATH, Neelakantam, V.BOOTSMA, Jason, AlanCARLSON, David, Charles
    • C12P7/10
    • C12P7/06C12M21/12C12M43/02C12N1/18C12N1/22C12P7/10C12P19/02C12P2201/00Y02E50/16Y02E50/17Y02E50/343
    • A system for the pre-treatment of biomass for use in a biorefinery to produce ethanol and other bioproducts is disclosed. The system comprises a method to pre-treat biomass to be used in a biorefinery to produce a fermentation product. The method comprises the steps of preparing the biomass into prepared biomass; and pre-treating the prepared biomass into pre-treated biomass by application of a dilute acid having a concentration of about 0.8 to 1.1 percent by weight at a temperature of about 130 to about 170 degrees Celsius for a period of time in a range of about 8 to 12 minutes. The system may also comprise a method to pre-treat biomass to be used in a biorefinery to produce a fermentation product. The method comprises the preparing the biomass into prepared biomass; and pre-treating the prepared biomass into pre-treated biomass by application of a dilute acid having a concentration of about 0.8 to 1.1 percent by weight at a temperature of about 130 to about 170 degrees Celsius for a period of time in a range of about 5 to 15 minutes. The fermentation product can be obtained by separating the pre-treated biomass into a liquid component comprising xylose and a solids component from which glucose can be made available and accessing xylose for fermentation into the fermentation product. A system for pre-treating biomass to be used in a biorefinery to produce a fermentation product may comprise an apparatus to preparing the biomass into prepared biomass; an apparatus for pre-treating the prepared biomass into pre-treated biomass by application of a dilute acid having a concentration of about 0.8 to 1.1 percent by weight at a temperature of about 130 to about 170 degrees Celsius for a period of time in a range of about 5 to 15 minutes; an apparatus for separating the pre-treated biomass into a liquid component comprising pentose available to be fermented and a solids component comprising cellulose from which hexose can be made available for fermentation and lignin; a fermentation system configured to produce the fermentation product; and a distillation system configured to recover ethanol from the fermentation product. The fermentation product comprises ethanol produced by fermentation of pentose and ethanol produced from the fermentation of hexose. The biomass comprises lignocellulosic material. The lignocellulosic material comprises corn cobs, corn plant husks, corn plant leaves and corn plant stalks.
    • 公开了用于预处理用于生物精炼生产乙醇和其他生物产物的生物质的系统。 该系统包括预处理在生物精炼厂中用于生产发酵产物的生物质的方法。 该方法包括将生物质制备成制备的生物质的步骤; 并将制备的生物质预处理成预处理的生物质,其中在约130至约170摄氏度的温度下,将约浓度为约0.8至1.1重量%的稀酸在约 8到12分钟。 该系统还可以包括预处理要在生物精炼厂中使用以生产发酵产物的生物质的方法。 该方法包括将生物质制备成制备的生物质; 并将制备的生物质预处理成预处理的生物质,其中在约130至约170摄氏度的温度下,将约浓度为约0.8至1.1重量%的稀酸在约 5至15分钟。 发酵产物可以通过将预处理的生物质分离成包含木糖和固体组分的液体组分来获得,葡萄糖可从其中获得,并进入木糖进行发酵。 用于预处理用于生物精炼生产发酵产物的生物质的系统可以包括将生物质制备成制备的生物质的装置; 将制备的生物质预处理成预处理的生物质的装置,其通过在约130至约170摄氏度的温度下施用浓度为约0.8至1.1重量%的稀酸,持续一段时间 约5至15分钟; 用于将预处理的生物质分离成包含可发酵的戊糖的液体组分的装置和包含可由己糖制成的纤维素的固体组分用于发酵和木质素的装置; 配置用于产生发酵产物的发酵系统; 以及构造成从发酵产物中回收乙醇的蒸馏系统。 发酵产物包括通过从己糖发酵产生的戊糖和乙醇的发酵产生的乙醇。 生物质包括木质纤维素材料。 木质纤维素材料包括玉米芯,玉米植物壳,玉米植物叶和玉米植物茎。