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    • 30. 发明申请
    • METHOD FOR ISOLATING CELLULOSE FROM A BIOMASS AND PRODUCTS PROVIDED THEREFROM
    • 从生物质中分离纤维素的方法及其提供的产品
    • WO2016022172A1
    • 2016-02-11
    • PCT/US2015/015368
    • 2015-02-11
    • GREEN EXTRACTION TECHNOLOGIES
    • MITCHELL, Melvin Glenn
    • D21H11/16C08B15/08C12P19/04
    • C08H6/00C08B15/08C08B37/0057C08G63/06C08G63/912C08H8/00D21C1/02D21C3/02D21C3/224D21H11/00
    • A pretreated biomass is subjected to high frequency pulses and shear forces without denaturing and/or degrading the individual components of the biomass. The biomass is then subjected to compressive force to separate a first liquid fraction from a first fractionated biomass. The first fractionated biomass may again then be subjected to the same high frequency pulses and shear forces as previously, particularly if there are hemicellulose and/or sugars still present in the first fractionated biomass. Compressive forces are used to separate a second liquid fraction from a second fractionated biomass. The second fractionated biomass is subjected to oxidation. The second fractioned biomass is then subjected to compressive forces to separate out one or more water insoluble components of the biomass in water soluble form and to provide cellulose that has not been denatured and/or degraded and has a lignin contact of less than 7 percent.
    • 经过预处理的生物质经受高频脉冲和剪切力,而不会使生物质的各个组分变性和/或降解。 然后对生物质进行压缩力以将第一液体馏分与第一分馏生物质分离。 第一分馏生物质可再次经受与先前相同的高频脉冲和剪切力,特别是如果第一分级生物质中仍存在半纤维素和/或糖。 压缩力用于将第二液体馏分与第二分馏生物质分离。 第二分级生物质被氧化。 然后对第二分级生物质进行压缩力以分离水溶性形式的生物质的一种或多种不溶于水的组分,并提供未变性和/或降解并具有小于7%的木质素接触的纤维素。