Production Of Mono-Ethylene Glycol

    公开(公告)号:US20230063154A1

    公开(公告)日:2023-03-02

    申请号:US17792987

    申请日:2021-01-08

    Abstract: A method for producing mono-ethylene glycol (MEG) from a wood-based raw material, and wherein method includes: i) providing a wood-based feedstock originating from the wood-based raw material and including wood chips, wherein at most 5 weight-% of the wood chips in the wood-based feedstock are overthick wood chips as specified by SCAN-CM 40:01, and subjecting the wood-based feedstock to at least one pretreatment to form a liquid fraction and a fraction including solid cellulose particles; ii) subjecting the fraction comprising solid cellulose particles to enzymatic hydrolysis to form a lignin fraction and a carbohydrate fraction; iii) subjecting the carbohydrate fraction to catalytical conversion to form a liquid composition of glycols; and iv) recovering mono-ethylene glycol from the liquid composition of glycols. Further is disclosed a corresponding arrangement and mono-ethylene glycol obtainable by the method.

    Method and an apparatus for recovering furfural

    公开(公告)号:US11040950B2

    公开(公告)日:2021-06-22

    申请号:US16473790

    申请日:2017-12-22

    Abstract: In a method and an apparatus furfural is recovered from a steam stream (3) which is formed in a treatment of a pretreated wood based material (1). The pretreated wood based material (1) which comprises at least carbohydrates is treated in a steam treatment stage (2) in which the steam is released. The steam stream (3) which comprises furfural is supplied out from the steam treatment stage (2). A pretreated and steam-treated wood based material (4) which comprises carbohydrates is supplied out from the steam treatment stage (2), and the steam stream (3) is treated in a recovery stage (12a, 12b) for recovering a furfural based fraction (14a,14b).

    LIGNIN AND METHOD AND SYSTEM FOR PROCESSING LIGNIN
    5.
    发明申请
    LIGNIN AND METHOD AND SYSTEM FOR PROCESSING LIGNIN 审中-公开
    LIGNIN和处理LIGNIN的方法和系统

    公开(公告)号:US20150068112A1

    公开(公告)日:2015-03-12

    申请号:US14388991

    申请日:2013-03-26

    Abstract: The invention relates to a method for processing lignin. The method includes feeding lignin material to the system, decreasing particle size of the lignin material in a grinding device in order to manufacture lignin powder having particle size distribution wherein at least 85 wt. % of the lignin agglomerates and particles are less than 300 microns, and increasing dry solids content of the lignin material at least 5 percentage units while decreasing the particle size in the grinding device. In addition, the invention relates to a system for processing lignin, a lignin powder, a method for manufacturing a product including lignin, a system for manufacturing a product including lignin and a product including lignin powder.

    Abstract translation: 本发明涉及一种处理木质素的方法。 该方法包括将木质素材料进料给系统,减少研磨装置中的木质素材料的粒径,以制备具有粒度分布的木质素粉末,其中至少85wt。 木质素附聚物和颗粒的%小于300微米,并且增加木质素材料的干固体含量至少5个百分比,同时降低研磨装置中的粒度。 此外,本发明涉及一种用于处理木质素,木质素粉末,用于制造包括木质素的产品的方法,用于制造包括木质素的产品和包括木质素粉末的产品的系统。

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