摘要:
A process for the hydrocracking a hydrocarbon-containing feedstock in which at least 50% by weight of the compounds have an initial boiling point above 340° C. and a final boiling point below 540° C., using a catalyst having, in its oxide form, at least one metal selected from the metals of groups VIB, VIII and VB, said metals being present in the form of at least one polyoxometallate of formula (HhXxMmOy)q-, said polyoxometallates being present within a mesostructured matrix based on oxide of at least one element Y, said matrix having a pore size between 1.5 and 50 nm and having amorphous walls of thickness between 1 and 30 nm, said catalyst being sulphurized before used in said process.
摘要:
An inorganic material is described consisting of at least two elementary spherical particles, each of said spherical particles comprising metallic particles in the form of polyoxometalate of formula (XxMmOyHh)q- where H is hydrogen, O is oxygen, X is an element chosen from phosphorus, silicon, boron, nickel and cobalt and M is one or more elements chosen from vanadium, niobium, tantalum, molybdenum, tungsten, iron, copper, zinc, cobalt and nickel, x being equal to 0, 1, 2 or 4, m being equal to 5, 6, 7, 8, 9, 10, 11, 12 and 18, y being between 17 and 72, h being between 0 and 12 and q being between 1 and 20 (y and q being integers). Said metallic particles are present within a mesostructured matrix based on an oxide of an element Y chosen from the group consisting of silicon, aluminium, titanium, tungsten, zirconium, gallium, germanium, tin, antimony, lead, vanadium, iron, manganese, hafnium, niobium, tantalum, yttrium, cerium, gadolinium, europium and neodymium and the mixture of at least two of these elements. Said matrix has pores with a diameter between 1.5 and 50 nm and amorphous walls with a thickness between 1 and 30 nm, said elementary spherical particles having a maximum diameter of 200 microns.
摘要:
The invention relates to a material having a hierarchised porosity and consisting of at least two elementary spherical particles. Each of said particles comprises a mesostructured matrix based on silicon oxide, the diameter of the mesopores being between 1.5 and 30 nm, and amorphous and microporous walls having a thickness of between 1.5 and 50 nm, the elementary spherical paricules having a maximum diameter of 200 microns. The matrix based on silicon oxide can contain aluminium. The invention also relates to the preparation of said material.
摘要:
The present invention concerns a catalyst comprising at least one crystalline material comprising silicon with a hierarchical and organized porosity and at least one hydrodehydrogenating element selected from the group formed by elements from group VIB and/or group VIII of the periodic table of the elements. Said crystalline material comprising silicon with a hierarchical and organized porosity is constituted by at least two spherical elementary particles, each of said particles comprising a matrix based on oxide of silicon, which is mesostructured, with a mesopore diameter in the range 1.5 to 30 nm and having microporous and crystalline walls with a thickness in the range 1.5 to 60 nm, said elementary spherical particles having a maximum diameter of 200 microns. The invention also concerns hydrocracking/hydroconversion and hydrotreatment processes employing said catalyst.
摘要:
The invention relates to a catalyst containing at least one amorphous material, containing silicon having hierarchical and organized porosity, and at least one hydro-dehydrogenating element selected from the group formed by elements from Group VIB and/or Group VIII of the periodic table. Said amorphous material, which contains silicon having hierarchical and organized porosity, consists of at least two elementary spherical particles, each of said particles including a mesostructured silicon oxide matrix having a mesopore diameter of 1.5 to 30 nm and having amorphous microporous walls with a thickness of 1.5 and 50 nm, said elementary spherical particles having a maximum diameter of 200 microns. The invention also relates to hydrocracking/hydroconversion and hydrotreatment methods implementing said catalyst.
摘要:
An inorganic material is described that is composed of at least two elementary spherical particles, each of said spherical particles comprising metallic nanoparticles having a size between 1 and 300 nm and a mesostructured matrix based on an oxide of at least one element X chosen from the group composed of silicon, aluminium, titanium, tungsten, zirconium, gallium, germanium, tin, antimony, lead, vanadium, iron, manganese, hafnium, niobium, tantalum, yttrium, cerium, gadolinium, europium and neodymium and the mixture of at least two of these elements, said mesostructured matrix having a pore diameter between 1.5 and 30 nm and having amorphous walls of thickness between 1 and 30 nm, said elementary spherical particles having a diameter D greater than 10 µm and less than or equal to 100 µm. Said material may also contain zeolite nanocrystals trapped within said mesostructured matrix.