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    Systems capable of adding cellulosic biomass to a digestion unit operating at high pressures and associated methods forcellulosic biomass processing
    12.
    发明授权
    Systems capable of adding cellulosic biomass to a digestion unit operating at high pressures and associated methods forcellulosic biomass processing 有权
    能够将纤维素生物质加入到在高压下操作的消化装置的系统和相关方法强制纤维素生物质处理

    公开(公告)号：US09421512B2

    公开(公告)日：2016-08-23

    申请号：US14596805

    申请日：2015-01-14

    Applicant: SHELL OIL COMPANY

    Inventor： Juben Nemchand Chheda ,  Thomas Lamar Flowers ,  Joseph Broun Powell

    IPC: C10L1/00 ,  B01J19/24 ,  C13K1/02 ,  C10L1/02 ,  C10G1/00 ,  C10G1/06 ,  C10G3/00

    CPC classification number: B01J19/245 ,  B01J19/24 ,  B01J2219/24 ,  C10G1/002 ,  C10G1/065 ,  C10G3/42 ,  C10G2300/1014 ,  C10L1/02 ,  C13K1/02 ,  Y02P30/20

    Abstract: When processing cellulosic biomass, it may be desirable for a digestion unit to operate without being fully depressurized for process efficiency purposes. Methods for processing cellulosic biomass may comprise providing a biomass conversion system comprising a pressurization zone and a digestion unit that are operatively connected to one another; providing cellulosic biomass at a first pressure; introducing at least a portion of the cellulosic biomass into the pressurization zone and pressurizing the pressurization zone to a second pressure higher than the first pressure; after pressurizing the pressurization zone, transferring at least a portion of the cellulosic biomass from the pressurization zone to the digestion unit, which is at a third pressure that is less than or equal to the second pressure but higher than the first pressure; and digesting at least a portion of the cellulosic biomass in the digestion unit to produce a hydrolysate comprising soluble carbohydrates.

    Abstract translation: 当处理纤维素生物质时，为了过程效率目的，消化单元可能需要操作而没有完全减压。 处理纤维素生物质的方法可以包括提供生物质转化系统，其包括可操作地彼此连接的加压区和消化单元; 在第一压力下提供纤维素生物质; 将至少一部分纤维素生物质引入加压区并将加压区加压至高于第一压力的第二压力; 在对加压区进行加压之后，将至少一部分纤维素生物质从加压区转移到消化单元，消化单元处于小于或等于第二压力但高于第一压力的第三压力; 并消化消化单元中的至少一部分纤维素生物质以产生包含可溶性碳水化合物的水解产物。

    Process for preparing furfural from biomass
    14.
    发明授权
    Process for preparing furfural from biomass 有权

    公开(公告)号：US10093639B2

    公开(公告)日：2018-10-09

    申请号：US15502845

    申请日：2015-08-13

    Applicant: SHELL OIL COMPANY

    Inventor： Juben Nemchand Chheda ,  Jean Paul Andre Marie Joseph Ghislain Lange ,  Paul Richard Weider ,  Robert Lawrence Blackbourn

    IPC: C07D307/50 ,  C13K1/02 ,  C13K13/00

    Abstract: Furfural is produced from biomass material containing pentosan, in high yields, in a production process comprising treating the biomass with a solution containing at least one α-hydroxysulfonic acid thereby hydrolyzing the biomass to produce a product stream containing at least one C5-carbohydrate compound in monomeric and/or oligomeric form, and dehydrating the C5-carbohydrate compound in the presence of an acid, in a biphasic reaction medium comprising an aqueous phase and a water-immiscible organic phase, at a temperature in the range of from about 100° C. to about 250° C. to produce a dehydration product stream containing furfural. An aqueous stream is separated from the dehydration product that can be optionally recycled to the hydrolysis step.

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