摘要:
A mesostructured aluminosilicate material is described, which consists of at least two elementary spherical particles, each one of said spherical particles consisting of a matrix based on silicon oxide and aluminium oxide, said matrix having a pore diameter ranging between 1.5 and 30 nm, a Si/Al molar ratio at least equal to 1 and amorphous walls of thickness ranging between 1 and 30 nm, said elementary spherical particles having a diameter D such that 10
摘要:
A mesostructured material is described, which consists of at least two elementary spherical particles, each one of said particles comprising a mesostructured matrix based on aluminium oxide, said matrix having a pore diameter ranging between 1.5 and 30 nm, and an aluminium oxide content representing more than 46 wt. % of the mass of said matrix, which has amorphous walls of thickness ranging 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 (10
摘要:
A mesostructured aluminosilicate material is described, which consists of at least two elementary spherical particles, each one of said spherical particles consisting of a matrix based on silicon oxide and aluminium oxide, said matrix having a pore diameter ranging between 1.5 and 30 nm, a Si/Al molar ratio at least equal to 1 and amorphous walls of thickness ranging between 1 and 30 nm, said elementary spherical particles having a diameter D such that 10
摘要:
A mesostructured material is described, which consists of at least two elementary spherical particles, each one of said particles comprising a mesostructured matrix based on aluminium oxide, said matrix having a pore diameter ranging between 1.5 and 30 nm, and an aluminium oxide content representing more than 46 wt. % of the mass of said matrix, which has amorphous walls of thickness ranging 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 (10
摘要:
A mesostructured aluminosilicate material is described, constituted by at least two spherical elementary particles, each of said spherical particles being constituted by a matrix based on silicon oxide and aluminium oxide, having a pore size in the range 1.5 to 30 nm, a Si/Al molar ratio of at least 1, having amorphous walls with a thickness in the range 1 to 20 nm, said spherical elementary particles having a maximum diameter of 10 μm. A process for preparing said material and its application in the fields of refining and petrochemistry are also described.
摘要翻译:描述了由至少两个球形基本粒子构成的介孔结构的硅铝酸盐材料,每个所述球形颗粒由基于氧化硅和氧化铝的基体构成,孔径在1.5至30nm的范围内,Si / Al 摩尔比至少为1,具有厚度在1至20nm范围内的非晶壁,所述球形基本颗粒的最大直径为10μm。 还描述了制备所述材料的方法及其在精炼和石油化学领域的应用。
摘要:
A mesostructured material that consists of at least two elementary spherical particles, each of said particles comprising a mesostructured matrix based on aluminum oxide and having a pore size of between 1.5 and 30 nm, an aluminum oxide content that represents more than 46% by weight relative to the mass of said matrix, which has amorphous walls with a thickness of between 1 and 30 nm and whereby said elementary spherical particles have a maximum diameter of 10 μm, is described. Said mesostructured matrix can also contain silicon oxide. Each of the spherical particles of the mesostructured material can also contain zeolitic nanocrystals so as to form a material with a mixed porosity that is both mesostructured and zeolitic in nature. The preparation of said material is also described.
摘要:
An inorganic material that consists of at least two elementary spherical particles, each of said spherical particles comprising metal nanoparticles that are between 1 and 300 nm in size and a mesostructured matrix with an oxide base of at least one element X that is selected from the group that consists of aluminum, titanium, tungsten, zirconium, gallium, germanium, tin, antimony, lead, vanadium, iron, manganese, hafnium, niobium, tantalum, yttrium, cerium, gadolinium, europium and neodymium is described, whereby said matrix has a pore size of between 1.5 and 30 nm and has amorphous walls with a thickness of between 1 and 30 nm, said elementary spherical particles having a maximum diameter of 10 μm. Said material can also contain zeolitic nanocrystals that are trapped within said mesostructured matrix.
摘要:
A mesostructured aluminosilicate material is described, constituted by at least two spherical elementary particles, each of said spherical particles being constituted by a matrix based on silicon oxide and aluminium oxide, having a pore size in the range 1.5 to 30 nm, a Si/Al molar ratio of at least 1, having amorphous walls with a thickness in the range 1 to 20 nm, said spherical elementary particles having a maximum diameter of 10 μm. A process for preparing said material and its application in the fields of refining and petrochemistry are also described.
摘要翻译:描述了由至少两个球形基本粒子构成的介孔结构的硅铝酸盐材料,每个所述球形颗粒由基于氧化硅和氧化铝的基体构成,孔径在1.5至30nm的范围内,Si / Al 摩尔比至少为1,具有厚度在1至20nm范围内的非晶壁,所述球形基本颗粒的最大直径为10μm。 还描述了制备所述材料的方法及其在精炼和石油化学领域的应用。
摘要:
A material with a hierarchical porosity is described, constituted by at least two spherical elementary particles, each of said spherical particles comprising zeolitic nanocrystals having a pore size in the range 0.2 to 2 nm and a matrix based on silicon oxide, which is mesostructured, having a pore size in the range 1.5 to 30 nm and having amorphous walls with a thickness in the range 1 to 20 nm, said spherical elementary particles having a maximum diameter of 10 μm. the matrix based on silicon oxide may contain aluminium. The preparation of said material is also described.
摘要:
Material with hierarchical porosity consisting of at least two elementary spherical particles having a maximum diameter of 200 microns, at least one of said spherical particles comprising at least one matrix based on silicon oxide, said material having a macropore volume measured by mercury porosimetry ranging between 0.05 and 1 ml/g, a mesopore volume measured by nitrogen volumetric analysis ranging between 0.01 and 1 ml/g and a micropore volume measured by nitrogen volumetric analysis ranging between 0.03 and 0.4 ml/g, said matrix having amorphous walls. The preparation of said material is also described.