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    • 5. 发明申请
    • PROCESS FOR THE PRODUCTION OF HYDROCARBON FRACTIONS FROM MIXTURES OF A BIOLOGICAL ORIGIN
    • 生物原料混合物生产烃类的方法
    • WO2015107487A1
    • 2015-07-23
    • PCT/IB2015/050336
    • 2015-01-16
    • ENI S.P.A.
    • BELLUSSI, GiuseppeMOLINARI, DanieleASSANELLI, GiulioDE ANGELIS, Alberto Renato
    • C10G45/58C10G3/00C07C1/20C11B3/00C11C3/12
    • C10G3/50C10G45/58C11C1/04C11C1/08C11C1/10C11C3/003C11C3/12C11C3/14Y02E50/13Y02P30/20
    • A process is described for the production of hydrocarbon fractions which can be used as diesel fuel or as components of diesel fuel, starting from a mixture of a biological origin containing fatty acid esters with glycerine, and possibly containing aliquots of free fatty acids and/or phosphoglycerides, wherein said process comprises the following steps: - subjecting the mixture of a biological origin to hydrolysis, obtaining a mixture containing glycerine and a mixture of fatty acids, - neutralizing the mixture of fatty acids with ammonia, - subjecting the neutralized mixture to hydrodeoxygenation, - subjecting the mixture resulting from the hydrodeoxygenation to hydroisomerization. The process of the present invention allows the triglycerides. This aspect, in addition to allowing the recovery of glycerine, which can be used as precursor of fuel components, allows the hydrogen consumption to be avoided in the hydrodeoxygenation step, which occurs when glycerine is present and therefore undergoes reduction to propane. Furthermore, if the mixture of a biological origin also contains aliquots of free fatty acids, the process of the invention also avoids problems of corrosion due to said acids, during the hydrodeoxygenation treatment.
    • 描述了用于生产可用作柴油燃料或作为柴油燃料成分的烃馏分的方法,其起始于含有脂肪酸酯与甘油的生物来源的混合物,并且可能含有等分的游离脂肪酸和/或 磷酸甘油酯,其中所述方法包括以下步骤: - 使生物来源的混合物进行水解,得到含有甘油和脂肪酸混合物的混合物, - 中和脂肪酸混合物与氨, - 将中和的混合物进行加氢脱氧 将由加氢脱氧产生的混合物进行加氢异构化。 本发明的方法允许甘油三酸酯。 除了允许可用作燃料成分前体的甘油的回收之外,这一方面允许在加氢脱氧步骤中避免氢消耗,当甘油存在并因此经历还原成丙烷时,可以避免氢消耗。 此外,如果生物来源的混合物还含有游离脂肪酸的等分试样,则本发明的方法还避免了在加氢脱氧处理期间由于所述酸引起的腐蚀问题。