Abstract: The invention describes a hydrocracking catalyst which is selective towards the naphtha cut and the hydrocracking process using said catalyst, said catalyst comprising at least one hydrogenating-dehydrogenating element chosen from the group formed by the elements of group VIB and the non-noble elements of group VIII of the Periodic Table, taken alone or as a mixture, and a support comprising at least one porous mineral matrix, a zeolite Y having an initial lattice parameter a0 of the unit cell of greater than 24.42 ?, and a zeolite beta, in which the weight ratio of said zeolite Y to said zeolite beta in the catalyst is strictly greater than 12.

Abstract: The invention describes a hydrocracking catalyst comprising at least one hydrogenating-dehydrogenating element chosen from the group formed by the elements of group VIB and the non-noble elements of group VIII of the Periodic Table, taken alone or as a mixture, and a support comprising at least one porous mineral matrix, a zeolite Y having an initial lattice parameter a0 of the unit cell of between 24.40 ? and 24.52 ?, a BET specific surface area of between 850 and 1020 m2/g, a micropore volume determined by nitrogen adsorption of greater than 0.28 ml/g and a Brønsted acidity of greater than 600 micromol/g.

Abstract: The invention describes a hydrocracking catalyst which is selective towards the naphtha cut and the hydrocracking process using said catalyst, said catalyst comprising at least one hydrogenating-dehydrogenating element chosen from the group formed by the elements of group VIB and the non-noble elements of group VIII of the Periodic Table, taken alone or as a mixture, and a support comprising at least one porous mineral matrix, a zeolite Y having an initial lattice parameter a0 of the unit cell of strictly greater than 24.50 ?, and a zeolite beta, in which the weight ratio of said zeolite Y to said zeolite beta in the catalyst is between 5 and 12.

Abstract: The invention describes a hydrocracking catalyst which is selective towards the naphtha cut and the hydrocracking process using said catalyst, said catalyst comprising at least one hydrogenating-dehydrogenating element chosen from the group formed by the elements of group VIB and the non-noble elements of group VIII of the Periodic Table, taken alone or as a mixture, and a support comprising at least one porous mineral matrix, a zeolite Y having an initial lattice parameter a0 of the unit cell of greater than 24.42 ?, and a zeolite beta, in which the weight ratio of said zeolite Y to said zeolite beta in the catalyst is strictly greater than 12.

Abstract: The invention describes a hydrocracking catalyst that is selective towards the naphtha cut and the hydrocracking process using said catalyst, said catalyst comprising at least one hydrogenating-dehydrogenating element chosen from the group formed by the elements of group VIB and the non-noble elements of group VIII of the periodic table, taken alone or as a mixture, and a support comprising at least one porous mineral matrix, a zeolite Y having an initial lattice parameter a0 of the unit cell of greater than 24.42 ?, and a zeolite beta, in which the weight ratio of said zeolite Y to said zeolite beta in the catalyst is strictly greater than 12.

Abstract: A process for preparing a nanometric zeolite Y of FAU structural type with a crystal size of less than 100 nm and an A/B ratio of greater than 2, by mixing, in aqueous medium, of at least one source AO2 of at least one tetravalent element A chosen from silicon, germanium and titanium, of at least one source BOb of at least one trivalent element B chosen from aluminum, boron, iron, indium and gallium, of at least one source C2/mO of an alkali metal or alkaline-earth metal C chosen from lithium, sodium, potassium, calcium and magnesium, where source C2/mO also includes at least one source of hydroxide ions, to obtain a gel, maturation and hydrothermal treatment of the gel.

Abstract: A process for preparing a nanometric zeolite Y of FAU structural type with a crystal size of less than 100 nm and an A/B ratio of greater than 2, by mixing, in aqueous medium, of at least one source AO2 of at least one tetravalent element A chosen from silicon, germanium and titanium, of at least one source BOb of at least one trivalent element B chosen from aluminum, boron, iron, indium and gallium, of at least one source C2/mO of an alkali metal or alkaline-earth metal C chosen from lithium, sodium, potassium, calcium and magnesium, where source C2/mO also includes at least one source of hydroxide ions, to obtain a gel, maturation and hydrothermal treatment of the gel.

Abstract: Preparation of a FAU-structural-type nanometric zeolite Y having a crystal size of less than 100 nm and an Si/Al ratio that is greater than 2: mixing, in aqueous medium, of at least one AO2 source of at least one tetravalent element A that is silicon, germanium, and/or titanium, at least one BOb source of at least one trivalent element B that is aluminum, boron, iron, indium, and/or gallium, at least one C2/mO source of an alkaline metal or alkaline-earth metal C that is lithium, sodium, potassium, calcium, and/or magnesium the C2/mO source also having at least one hydroxide ion source obtaining a gel, curing of the gel after at least 3 days of curing, with addition of at least one source of at least one tetravalent element A and the hydrothermal treatment of the gel obtained at a to achieve crystallization of the FAU-structural-type nanometric zeolite Y.

Abstract: Preparation of a FAU-structural-type nanometric zeolite Y having a crystal size of less than 100 nm and an Si/Al ratio that is greater than 2: mixing, in aqueous medium, of at least one AO2 source of at least one tetravalent element A that is silicon, germanium, and/or titanium, at least one BOb source of at least one trivalent element B that is aluminum, boron, iron, indium, and/or gallium, at least one C2/mO source of an alkaline metal or alkaline-earth metal C that is lithium, sodium, potassium, calcium, and/or magnesium the C2/mO source also having at least one hydroxide ion source obtaining a gel, curing of the gel after at least 3 days of curing, with addition of at least one source of at least one tetravalent element A and the hydrothermal treatment of the gel obtained at a to achieve crystallization of the FAU-structural-type nanometric zeolite Y.

Abstract: The invention concerns a crystalline solid designated IM-20 which has the X-ray diffraction diagram given below. Said solid has a chemical composition expressed by the empirical formula: mXO2: nGeO2: pZ2O3: qR: sF: wH2O, in which R represents one or more organic species, X represents one or more tetravalent element(s) other than germanium, Z represents at least one trivalent element and F is fluorine.

Abstract: The invention concerns a crystalline solid designated IM-20 which has the X-ray diffraction diagram given below. Said solid has a chemical composition expressed by the empirical formula: mXO2: nGeO2: pZ2O3: qR: sF: wH2O, in which R represents one or more organic species, X represents one or more tetravalent element(s) other than germanium, Z represents at least one trivalent element and F is fluorine.