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    • 17. 发明授权
    • Process for oligomerizing olefins using a silica-alumina based catalyst
    • 使用二氧化硅 - 氧化铝基催化剂使烯烃低聚的方法
    • US07572946B2
    • 2009-08-11
    • US11182021
    • 2005-07-15
    • Sylvie LacombeRenaud RevelPatrick BriotEric LlidoPatrick EuzenCarole Bobin
    • Sylvie LacombeRenaud RevelPatrick BriotEric LlidoPatrick EuzenCarole Bobin
    • C07C2/08
    • C10G69/126C07C2/10C07C2521/12C10G50/00C10G2300/1092C10G2300/301C10G2300/4018C10G2300/802C10G2400/02C07C11/02
    • An olefin oligomerization process employs a particular silica-alumina catalyst which comprises a non zeolitic support based on silica-alumina containing a quantity of more than 5% by weight and 95% by weight or less of silica (SiO2) and has the following characteristics: a mean pore diameter, measured by mercury porosimetry, in the range 20 to 140 Å; a total pore volume, measured by mercury porosimetry, in the range 0.1 ml/g to 0.6 ml/g; a total pore volume, measured by nitrogen porosimetry, in the range 0.1 ml/g to 0.6 ml/g; a BET specific surface area in the range 100 to 550 m2/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 140 Å, of less than 0.1 ml/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 160 Å, of less than 0.1 ml/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 200 Å, of less than 0.1 ml/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 500 Å, of less than 0.1 ml/g; and an X ray diffraction diagram containing at least the principal characteristic peaks of at least one of the transition aluminas included in the group composed of alpha, rho, khi, eta, gamma, kappa, theta and delta aluminas.
    • 烯烃低聚方法使用特定的二氧化硅 - 氧化铝催化剂,其包含基于二氧化硅 - 氧化铝的非沸石载体,其含有大于5重量%且95重量%以下的二氧化硅(SiO 2),并具有以下特征: 通过水银孔率法测量的平均孔径在20至140埃的范围内; 通过水银孔率法测量的总孔体积在0.1ml / g至0.6ml / g的范围内; 通过氮气孔率法测量的总孔体积在0.1ml / g至0.6ml / g的范围内; 100-550m2 / g范围内的BET比表面积; 通过水银孔率法测定的孔体积,其直径大于140埃,小于0.1ml / g; 通过水银孔率法测量的孔体积,其直径大于160埃的孔隙小于0.1ml / g; 包含在直径大于200埃的孔中,通过水银孔率法测量的孔体积小于0.1ml / g; 通过水银孔率法测量的孔体积包含在直径大于500埃的小于0.1ml / g的孔中; 以及X射线衍射图,其至少包含由α,rho,khi,eta,γ,κ,θ和δ氧化铝组成的组中的至少一种过渡氧化铝的主要特征峰。