摘要:
Selective hydrogenation of a polyunsaturated hydrocarbon feed containing at least 2 carbon atoms per molecule and having an end point of 250° C. or less, by contacting said feed with a catalyst having an active phase of at least one metal from group VIII deposited on a support formed by at least one oxide, said catalyst being prepared using a process involving at least: i) contacting said support with at least one solution containing at least one precursor of metal from group VIII; ii) contacting said support with at least one organic compound formed from at least one cyclic oligosaccharide composed of at least 6α-(1,4)-bonded glucopyranose subunits; iii) calcining to obtain metal from group VIII in oxide form; i) and ii) possibly being carried out separately, in any order, or simultaneously.
摘要:
Selective hydrogenation of a polyunsaturated hydrocarbon feed containing at least 2 carbon atoms per molecule and having an end point of 250° C. or less, by contacting said feed with a catalyst having an active phase of at least one metal from group VIII deposited on a support formed by at least one oxide, said catalyst being prepared using a process involving at least: i) contacting said support with at least one solution containing at least one precursor of metal from group VIII; ii) contacting said support with at least one organic compound formed from at least one cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; iii) calcining to obtain metal from group VIII in oxide form; i) and ii) possibly being carried out separately, in any order, or simultaneously.
摘要:
Selective hydrogenation of a gasoline cut containing polyunsaturated hydrocarbons containing at least 2 carbon atoms per molecule and having an end point of 250° C. or less, by bringing said gasoline cut into contact with at least one catalyst the active phase of which comprises at least one metal from group VIII and at least one metal from group VIB deposited on a support.
摘要:
Preparation of a catalyst having at least one metal from group VIII, at least one metal from group VIB and at least one support; in succession: i) one of i1) contacting a pre-catalyst with metal from group VIII, metal from group VIB and support with a cyclic oligosaccharide naming at least 6 α-(1,4)-bonded glucopyranose subunits; i2) contacting support with a solution containing a precursor of metal from group VIII, a precursor of said metal from group VIB and a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; or i3) contacting support with a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits followed by contacting solid derived therefrom with a precursor of metal from group VIII and a precursor of metal from group VIB.
摘要:
The present invention concerns a catalyst for carrying out hydrocarbon synthesis starting from a mixture comprising carbon monoxide and hydrogen, the active phase of which comprises at least one metal from group VIII deposited on a support formed by at least one oxide, in which said metal from group VIII is selected from the group constituted by cobalt, nickel, ruthenium or iron, and in which said catalyst has an atomic ratio (Co/Al)not ground/(CO/Al)ground, measured by X-ray photo-emission spectroscopy, in the range 1 to 12.The invention also concerns the catalyst preparation process and its use.
摘要:
C5+ hydrocarbon synthesis by contracting a synthesis gas with a catalyst naming at least one metal from group VIII deposited on a support formed by at least one oxide, said catalyst being prepared using a process of at least: i) contracting at least the support with at least one solution containing at least one precursor of metal from group VIII; ii) contracting at least the support with at least one organic compound formed from at least one cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; iii) at least one calcining to obtain at least the metal from group VIII in the oxide form; i) and ii) being carried out separately, in any order, or simultaneously.
摘要:
Hydrodesulphurization of a gasoline cut containing hydrocarbons containing at least 2 carbon atoms per molecule and having an end point of 250° C. or less, by contacting the gasoline cut with at least one catalyst having an active phase of at least one metal from group VIII and at least one metal from group VIB deposited on a support, said catalyst being prepared using a process of: i) contacting support with precursors of group VIII and group VIB metals; ii) contacting support with at least one organic compound formed from at least one cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; iii) drying to obtain at least said metal from group VIII and at least said metal from group VIB in the oxide form; then iv) sulphurization such that said active phase is in the sulphide form; i) and ii) being carried out separately, in any order, or simultaneously.
摘要:
A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive that contains at least one nitrogen atom, is used for the transformation of hydrocarbon-containing fractions, in particular the hydrodesulfurization, the hydrodenitrification, the hydrodemetallization, the hydrogenation of various petroleum fractions, such as residues, vacuum distillates, gas oils and gasolines, and the hydroconversion of vacuum distillates.
摘要:
C5+ hydrocarbon synthesis by contracting a synthesis gas with a catalyst naming at least one metal from group VIII deposited on a support formed by at least one oxide, said catalyst being prepared using a process of at least: i) contracting at least the support with at least one solution containing at least one precursor of metal from group VIII; ii) contracting at least the support with at least one organic compound formed from at least one cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; iii) at least one calcining to obtain at least the metal from group VIII in the oxide form; i) and ii) being carried out separately, in any order, or simultaneously.
摘要:
A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MxM′(1−x)Al2O4/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel structure of formula MAl2O4/Al2O3.SiO2, said support being calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850° C. and 900° C., and b) an active phase deposited on said support, which contains one or more group VIII metals, selected from among cobalt, nickel, ruthenium or iron. Said catalyst is used in a fixed bed or suspended in a three-phase reactor for hydrocarbon synthesis from a CO, H2 mixture.
摘要翻译:一种适用于合成气转化尤其是ET淤浆法的催化剂,所述催化剂包括:a)至少含有式M x M'(1-x)Al 2 O 4 / Al 2 O 3 -SiO 2的混合尖晶石结构的第一铝酸盐元素的载体, 并且不包括0和1,或者简单的尖晶石结构式为MA1204 / Al2O3.SiO2,所述载体在至少部分氧化的气氛中在850℃和900℃之间的温度下煅烧,和b) 活性相沉积在所述载体上,其含有一种或多种选自钴,镍,钌或铁的第VIII族金属。 所述催化剂用于固定床或悬浮在三相反应器中,用于从CO,H 2混合物合成碳氢化合物。