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    • 9. 发明申请
    • PROCESS FOR THE DIRECT CONVERSION OF OXYGENATED COMPOUNDS TO LIQUID HYDROCARBONS HAVING A REDUCED AROMATIC CONTENT
    • 将氧化化合物直接转化成具有减少的芳族含量的液体的方法
    • WO2010097175A1
    • 2010-09-02
    • PCT/EP2010/000962
    • 2010-02-10
    • ENI S.P.A.RAMELLO, StefanoPAPARATTO, GiuseppeRIVETTI, Franco
    • RAMELLO, StefanoPAPARATTO, GiuseppeRIVETTI, Franco
    • C10G3/00C10G50/00C07C1/20C07C2/00
    • C10G3/54C07C1/20C07C2521/04C07C2529/40C10G3/49C10G50/00C10G2300/4006C10G2300/4012C10G2300/4018C10G2300/4081C10G2400/02C10G2400/04C10G2400/08C10G2400/22
    • The present invention relates to a double stage process for the direct conversion of oxygenated compounds to liquid hydrocarbons with a low aromatic content, carried out in two tubular catalytic fixed bed reactors in series wherein said first reactor operates at a higher temperature than the operating temperature of said second reactor, said process comprising the following steps: feeding said oxygenated compounds comprising alcohols and/or ethers represented by the formula (C n H 2n+1 ) -O- (C m H 2m +1) wherein n = 1-4 and m = 0-4 to a first reactor, converting said oxygenated compounds, with a first catalyst, to a mixture of hydrocarbons comprising light olefins, typically rich in olefins C n with n = 2-4, and water; feeding said mixture of water and hydrocarbons comprising light olefins, coming from said first reactor to the second reactor, converting it in said second reactor, with a second catalyst, to a mixture of liquid hydrocarbons which includes heavy olefins C n with n ≥ 5, non-condensable hydrocarbons and water; separating said hydrocarbon mixture into two streams: one stream containing a mixture of liquid hydrocarbons and water, which separate into an organic phase and into an aqueous phase, the last eventually recycled to said first and/or second reactor, wherein said liquid hydrocarbons comprise heavy olefins C n with n ≥ 5 and dissolved non-condensable compounds; one stream which includes a mixture of non-condensable hydrocarbons which are recycled to feed said first reactor.
    • 本发明涉及一种用于将含氧化合物直接转化为具有低芳族含量的液体烃的双阶段方法,其中两个管式催化固定床反应器串联进行,其中所述第一反应器的操作温度高于 所述方法包括以下步骤:将包含由式(CnH2n + 1)-O-(CmH2m + 1)表示的醇和/或醚的含氧化合物进料到其中n = 1-4且m = 0-4 将第一催化剂的所述含氧化合物转化为包含通常富含n = 2-4的烯烃Cn的轻质烯烃和水的混合物; 将来自所述第一反应器的包含轻质烯烃的水和烃的混合物进料到第二反应器,将其在所述第二反应器中用第二催化剂转化成液体烃的混合物,所述液体烃包括n = 5的重质烯烃Cn, 可冷凝的碳氢化合物和水; 将所述烃混合物分离成两股物流:一​​股含有液体烃和水的混合物的物流,其分离成有机相并进入水相,最后最终再循环至所述第一和/或第二反应器,其中所述液体烃包括重的 n = 5的烯烃Cn和溶解的不可冷凝化合物; 一个流,其包括不可冷凝的烃的混合物,其被再循环以供给所述第一反应器。