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    • 9. 发明申请
    • PROCESS FOR CONVERSION OF LIGNIN TO REFORMULATED HYDROCARBON GASOLINE
    • 木质素转化为改性烃类汽油的方法
    • WO99010450A1
    • 1999-03-04
    • PCT/US1998/017539
    • 1998-08-25
    • C10G1/00C10G47/12C10G65/12C07C1/00C10G1/06
    • C10G65/12C10G1/002C10G47/12Y10S585/93
    • A process for converting lignin into high-quality reformulated hydrocarbon gasoline compositions in high yields is disclosed. The process is a two-stage, catalytic reaction process that produces a reformulated hydrocarbon gasoline product with a controlled amount of aromatics. In the first stage, a lignin material is subjected to a base-catalyzed depolymerization reaction in the presence of a supercritical alcohol as a reaction medium, to thereby produce a depolymerized lignin product. In the second stage, the depolymerized lignin product is subjected to a sequential two-step hydroprocessing reaction to produce a reformulated hydrocarbon gasoline product. In the first hydroprocessing step, the depolymerized lignin is contacted with a hydrodeoxygenation catalyst to produce a hydrodeoxygenated intermediate product. In the second hydroprocessing step, the hydrodeoxygenated intermediate product is contacted with a hydrocracking/ring hydrogenation catalyst to produce the reformulated hydrocarbon gasoline product which includes various desirable naphthenic and paraffinic compounds.
    • 公开了一种以高产率将木质素转化为高质量重整烃类汽油组合物的方法。 该方法是两阶段的催化反应过程,其产生具有受控量芳族化合物的重整烃类汽油产物。 在第一阶段中,木质素材料在作为反应介质的超临界醇存在下进行碱催化解聚反应,从而产生解聚的木质素产物。 在第二阶段中,解聚的木质素产物进行连续的两步加氢处理反应以产生重整的烃汽油产物。 在第一加氢处理步骤中,使解聚的木质素与加氢脱氧催化剂接触以产生加氢脱氧中间产物。 在第二加氢处理步骤中,加氢脱氧中间产物与加氢裂化/环加氢催化剂接触以产生包含各种所需环烷烃和链烷烃化合物的重整烃类汽油产物。