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    • 5. 发明申请
    • CATALYTIC SYSTEM AND PROCESS FOR THE TOTAL HYDROCONVERSION OF HEAVY OILS
    • 催化体系及重油总氢过程
    • WO2013034642A1
    • 2013-03-14
    • PCT/EP2012/067412
    • 2012-09-06
    • ENI S.P.A.MOLINARI, DanieleBELLUSSI, GiuseppeLANDONI, AlbertoPOLLESEL, Paolo
    • MOLINARI, DanieleBELLUSSI, GiuseppeLANDONI, AlbertoPOLLESEL, Paolo
    • B01J27/051B01J29/78C10G45/12
    • B01J29/89B01J27/051B01J29/7876C10G45/12C10G47/16C10G65/12
    • A catalytic system characterized in that it comprises: a first catalyst, having a hydrogenating function, consisting of solid particles of which at least 95% by volume having an equivalent diameter smaller than 20 μm, containing one or more sulfides of metals of group VI and/or VIII B, possibly prepared starting from an oil- soluble precursor of the same; and a second catalyst, having a cracking function, consisting of solid particles of which at least 90% by volume having an equivalent diameter larger than 5 μm and smaller than 5 mm, containing an amorphous silico- aluminate and/or a crystalline silico-aluminate and/or an alumina, the equivalent average diameter of the solid particles of the second catalyst being greater than the equivalent average diameter of the solid particles of the first catalyst. Said catalytic system can be used in a process for the hydroconversion of heavy oils which comprises sending the heavy oil to a hydroprocessing step carried out in one or more slurry reactors, in the presence of hydrogen or a mixture of hydrogen and H 2 S, obtaining a stream of products in vapour or liquid-vapour phase, and extracting at the bottom, in continuous or discontinuous, a liquid stream containing non-converted products together with the two catalysts of said catalytic system, said liquid stream extracted then being separated into a clarified primary stream containing the first catalyst, which is at least partially recycled to the hydroprocessing step, and a stream rich in the second catalyst, which is regenerated in a regeneration step and at least partially recycled to the hydroprocessing step.
    • 一种催化体系,其特征在于它包括:具有氢化功能的第一催化剂,其由至少95体积%的当量直径小于20μm的固体颗粒组成,其含有一种或多种第VI族金属的硫化物,和 /或VIII B,可能从其油溶性前体开始制备; 和具有裂化功能的第二催化剂,其由固体颗粒组成,其中至少90体积%的当量直径大于5μm且小于5mm,其含有非晶硅铝酸盐和/或结晶硅铝酸盐 和/或氧化铝,所述第二催化剂的固体颗粒的当量平均直径大于所述第一催化剂的固体颗粒的当量平均直径。 所述催化体系可用于重油加氢转化的方法,其包括将重油送入在一种或多种淤浆反应器中,在氢气或氢气和H 2 S的混合物存在下进行的加氢处理步骤,获得流 的蒸气或液相 - 蒸气相中的产物,并且连续或不连续地将含有未转化产物的液体物流与所述催化体系的两种催化剂一起萃取,然后将所述液体流分离成澄清的初级 含有至少部分再循环到加氢处理步骤的第一催化剂的物流和富含第二催化剂的物流,其在再生步骤中再生并且至少部分地循环到加氢处理步骤。
    • 10. 发明申请
    • METHOD FOR REVAMPING A CONVENTIONAL MINERAL OILS REFINERY TO A BIOREFINERY
    • 将常规矿物油精炼改造为生物制品的方法
    • WO2014033762A1
    • 2014-03-06
    • PCT/IT2012/000268
    • 2012-09-04
    • ENI S.p.ARISPOLI, Giacomo FernandoPRATI, ClaudiaAMOROSO, AndreaPOLLESEL, Paolo
    • RISPOLI, Giacomo FernandoPRATI, ClaudiaAMOROSO, AndreaPOLLESEL, Paolo
    • C10G65/04C10G3/00
    • C10G3/50C10G3/42C10G3/52C10G45/58C10G65/043C10G2300/4056C10L1/04C10L2290/10C10L2290/54Y02A50/2327Y02E50/13Y02P30/20Y10T29/49346
    • The invention relates to a method for revamping a conventional refinery of mineral oils into a biorefinery, characterized by a production scheme which allows the treatment of raw materials of a biological origin (vegetable oils, animal fats, exhausted cooking oils) for the production of biofuels, prevalently high-quality biodiesel. This method allows the re-use of existing plants, allowing, in particular, the revamping of a refinery containing a system comprising two hydrodesulfurization units, U1 and U2, into a biorefinery containing a production unit of hydrocarbon fractions from mixtures of a biological origin containing fatty acid esters by means of their hydrodeoxygenation and isomerization, wherein each of the hydrodesulfurization units U1 and U2 comprises: a hydrodesulfurization reactor, (Al) for the unit U1 and (A2) for the unit U2, wherein said reactor contains a hydrodesulfurization catalyst; one or more heat exchangers between the feedstock and effluent of the reactor; a heating system of the feedstock upstream of the reactor; an acid gas treatment unit downstream of the reactor, containing an absorbent (B) for H2S, said unit being called Tl in the unit U1 and T2 in the unit U2, and wherein said method comprises: installing a line L between the units U1and U2 which connects them in series; installing a recycling line of the product for the unit U1 and possibly for the unit U2, substituting the hydrodesulfurization catalyst in the reactor Al with a hydrodeoxygenation catalyst; substituting the hydrodesulfurization catalyst in the reactor A2 with an isomerization catalyst; installing a y-pass line X of the acid gas treatment unit T2 of the unit U2; substituting the absorbent (B) in the acid gas treatment unit Tl with a specific absorbent for C02 and H2S. The operative configuration obtained with the method, object of the present invention, also leads to a substantial reduction in emissions of pollutants into the atmosphere, with respect to the original operative mode. The invention also relates to the transformation unit of mixtures of a biological origin obtained with said conversion method and particularly hydrodeoxygenation and isomerization processes.
    • 本发明涉及一种将常规的矿物油精炼改造成生物精炼厂的方法,其特征在于允许将生物来源的原料(植物油,动物脂肪,耗尽的烹饪油)的原料处理用于生产生物燃料 ,优质的生物柴油。 这种方法允许现有设备的再利用,特别是允许将包含两个加氢脱硫单元U1和U2的系统的炼油厂改造成生物精炼厂,该生物精炼厂含有来自含有 脂肪酸酯通过其加氢脱氧和异构化,其中每个加氢脱硫单元U1和U2包括:加氢脱硫反应器,用于单元U1的(A1)和用于单元U2的(A2)的加氢脱硫反应器,其中所述反应器含有加氢脱硫催化剂; 反应器的原料和流出物之间的一个或多个热交换器; 反应器上游的原料的加热系统; 在反应器下游的酸性气体处理单元,其中包含用于H 2 S的吸收剂(B),所述单元在单元U1中被称为T1,在单元U2中被称为T1,并且其中所述方法包括:在单元U1和U2之间安装线路L 连接它们; 为单元U1和可能的单元U2安装产品的回收管线,用加氢脱氧催化剂代替反应器A1中的加氢脱硫催化剂; 用异构化催化剂代替反应器A2中的加氢脱硫催化剂; 安装单元U2的酸性气体处理单元T2的y通道X; 用酸性气体处理单元T1中的吸收剂(B)代替CO 2和H 2 S的特定吸收剂。 通过本发明的目的获得的操作结构,相对于原始操作模式,也导致大气中污染物排放的实质性减少。 本发明还涉及通过所述转化方法获得的生物来源的混合物的转化单元,特别是加氢脱氧和异构化方法。