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    • 2. 发明申请
    • METHODS FOR THE PRODUCTION OF HIGH ALPHA-CELLULOSE PULP
    • 生产高脂细胞浆的方法
    • WO2015200868A1
    • 2015-12-30
    • PCT/US2015/038138
    • 2015-06-26
    • INVENTURE RENEWABLES, INC.
    • BERRY, William W.SUTTERLIN, William RustyTEGEN, Mark G.BLANCHARD, Cory
    • D21C9/08
    • D21C9/08C13K1/04D21C3/00
    • In alternative embodiments, provided herein are methods and industrial processes for generating high purity (high alpha cellulose) pulp from lignocellulosic feedstocks, comprising directly contacting a lignocellulosic feedstock with a system comprising a super critical or near-super critical fluid or mixture of fluids, whereby the partial pressure of the system provides for the alcoholysis, hydrolysis or a combination thereof of the feedstock at reduced temperatures and pressures, followed by an upgrading step wherein a low-purity cellulosic material generated in the super critical or near-super critical reaction step is treated with an alkaline solution. Also provided herein are systems and methods for producing a high purity cellulose material using reduced amounts of alkaline material.
    • 在替代实施方案中,本文提供了用于从木质纤维素原料产生高纯度(高α纤维素)纸浆的方法和工业方法,其包括将木质纤维素原料与包含超临界或近超临界流体或流体混合物的系统直接接触,由此 系统的分压在降低的温度和压力下提供原料的醇解,水解或其组合,随后是升级步骤,其中在超临界或近超临界反应步骤中产生的低纯度纤维素材料是 用碱性溶液处理。 本文还提供了使用减少量的碱性材料来生产高纯度纤维素材料的系统和方法。