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    • 30. 发明授权
    • Flexible process for transformation of ethanol into middle distillates
    • 将乙醇转化为中间馏分的灵活过程
    • US09475999B2
    • 2016-10-25
    • US13102283
    • 2011-05-06
    • Emmanuelle GuillonNicolas CadranNatacha TouchaisLaurent Bournay
    • Emmanuelle GuillonNicolas CadranNatacha TouchaisLaurent Bournay
    • C07C1/24C10G3/00C10G50/00
    • C10G50/00C10G3/49C10G3/62C10G2300/1014C10G2300/301C10G2300/4018C10G2300/4081C10G2400/04C10G2400/08C10G2400/20C10G2400/22C10G2400/28Y02E50/13Y02P30/20
    • The invention describes a process for the production of middle distillate hydrocarbon bases from an ethanol feedstock that is produced from a renewable source that is obtained from biomass, whereby said process comprises a stage for purification of said feedstock, a stage for transformation of said purified feedstock into a light olefinic effluent that comprises at least 30% by weight of olefins that have between four to six carbon atoms relative to the total mass of the formed hydrocarbon compounds, whereby said stage works in the presence of a catalyst that comprises at least one zeolite that is selected from among the zeolites that have a structural type that appears in the following list: CHA, ERI, MTF, AEI, AEL, FER, EUO, MEL, MFS, TON, MTT and the zeolites ZBM-30, ZSM-48, IM-5 and IZM-2, taken by themselves or in a mixture, a stage for separation of the olefinic effluent that is obtained from stage b) in such a way as to eliminate at least a portion of the water that is formed during stage b) to produce at least one hydrocarbon gaseous effluent that for the most part has three or fewer carbon atoms and at least one olefinic hydrocarbon liquid effluent that for the most part has more than four carbon atoms, and a stage for oligomerization of at least a portion of the hydrocarbon effluents that are obtained from stage c) in the presence of an amorphous or zeolitic catalyst that has at least pore openings that contain 10 or 12 oxygen atoms, producing middle distillate hydrocarbon bases.
    • 本发明描述了从由生物质获得的可再生来源生产的乙醇原料生产中间馏分烃碱的方法,其中所述方法包括纯化所述原料的阶段,用于转化所述纯化原料的阶段 包含至少30重量%的具有4-6个碳原子的烯烃相对于形成的烃化合物的总质量的轻质烯烃流出物,其中所述阶段在包含至少一种沸石 选自具有下列结构类型的沸石:CHA,ERI,MTF,AEI,AEL,FER,EUO,MEL,MFS,TON,MTT和沸石ZBM-30,ZSM-48 ,IM-5和IZM-2,它们本身或在混合物中,分离从阶段b)获得的烯烃流出物的阶段,以消除形成的至少一部分水 环状阶段b)以产生至少一种大多数具有三个或更少碳原子的烃气态流出物和至少一种大多数具有四个以上碳原子的烯烃液体流出物, 至少一部分烃阶段c)在无定形或沸石催化剂存在下得到的烃流出物至少具有含有10或12个氧原子的孔隙,产生中间馏分烃基。