Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1-g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, a method for its preparation and its use.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1-g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, a method for its preparation and its use.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: This invention refers to a microporous crystalline material of zeolitic nature that has, in its calcined state and in the absence of defects in its crystalline matrix manifested by the presence of silanols, the empirical formula x(M1/nXO2):yYO2:gGeO2:(1?g)SiO2 in which M is selected between H+, at least one inorganic cation of charge +n, and a mixture of both, X is at least one chemical element of oxidation state +3, Y is at least one chemical element with oxidation state +4 different from Si, x takes a value between 0 and 0.2, both included, y takes a value between 0 and 0.1, both included, g takes a value between 0 and 0.5, both included that has been denoted ITQ-55, as well as a method for its preparation. This invention also relates to uses of the crystalline material of zeolitic nature for adsorption of fluid components, membrane separation of fluid components, storage of fluid components, and catalysis of various conversion reactions.

Abstract: The invention relates to a method for producing tetrahydrofurfuryl ethers, characterised in that it involves carrying out consecutive etherification/reduction reactions based on a compound containing at least one furan ring, in the presence of at least one alcohol and at least one catalyst, optionally in the presence of H2. The catalytic process can be carried out in a cascade reaction (“one-pot”), operating under soft reaction conditions and without a solvent.

Abstract: The present invention describes the use of isostructural zeolites with rho zeolitic structure in processes of adsorption and separation of the various components of natural gas.

Abstract: The invention relates to a method of separating fluids from mixtures using a zeolite known as ITQ-32 consisting of a two-dimensional pore system comprising channels with openings formed by 8 tetrahedra which are interconnected by channels with openings formed by 12 tetrahedra. The inventive method comprises at least the following steps: a) the zeolite ITQ-32 material is brought into contact with the mixture of fluids, b) one or more of the components are adsorbed in the zeolite ITQ-32 material, c) the non-adsorbed components are extracted, and d) one or more of the components adsorbed in the zeolite ITQ-32 material are recovered.

Abstract: The present invention describes the use of isostructural zeolites with rho zeolitic structure in processes of adsorption and separation of the various components of natural gas.

Abstract: The invention relates to a method of separating the components of a mixture. The inventive method is characterised in that it comprises the following steps: (a) the bringing into contact of the components of a mixture selected from (i) at least two hydrocarbons, (ii) a mixture containing at least nitrogen and oxygen, and (iii) at least one hydrocarbon and water, with an ITQ-29 zeolite material having a T(IV)/T(III) ratio of greater than 7, whereby T(IV) denotes one or more tetravalent elements and T(III) denotes one or more trivalent elements; (b) preferential adsorption of one or more of the components by the ITQ-29 zeolite material and (c) recovery of one or more of the components, preferably for the separation of hydrocarbon mixtures, such as linear or branched olefins from paraffins.

Abstract: The invention relates to a microporous crystalline zeolite material which, in the calcined state and in the absence of defects in the crystalline lattice thereof, manifested by the presence of silanols, has empirical formula x(M1/nXO2):yYO2:SiO2, in which M is selected from among H+, at least one inorganic cation with charge +n and a mixture of both; X is at least one chemical element in oxidation state +3; Y is at least one chemical element in oxidation state +4, which is different from Si, x has a value of between 0 and 0.2 inclusive, and y has a value of between 0 and 0.1 inclusive. In addition, as it is synthesised, and in the calcined state, the material has a characteristic X-ray diffraction pattern known as ITQ-32. The invention also relates to the method of preparing said material and to the use thereof.

Abstract: The invention relates to a method of separating fluids from mixtures using a zeolite known as ITQ-32 consisting of a two-dimensional pore system comprising channels with openings formed by 8 tetrahedra which are interconnected by channels with openings formed by 12 tetrahedra. The inventive method comprises at least the following steps: a) the zeolite ITQ-32 material is brought into contact with the mixture of fluids, b) one or more of the components are adsorbed in the zeolite ITQ-32 material, c) the non-adsorbed components are extracted, and d) one or more of the components adsorbed in the zeolite ITQ-32 material are recovered.

Abstract: The invention relates to a material which, once calcined and in the anhydrous state has general formula x (M1/n XO2):z ZO2:y GeO2:(1?y) SiO2, wherein x has a value of less than 0.2, preferably less than 0.15 and can equal zero; z has a value of between 0 and 0.1, preferably between 0 and 0.05; y has a value of between 0 and 1, preferably between 0 and 0.75; M represents one or more +n charged inorganic cations; X represents one or more +3 oxidation state chemical elements (Al, B, Ga, Fe); and Z represents one or more +4 oxidation state cations different from silicon and germanium, preferably Ti or Sn. Said material can be used as a component of catalysts in acid catalysis processes or as a metal or oxide support in separation and absorption/adsorption processes.

Abstract: The invention relates to a microporous crystalline zeolite material which, in the calcined state and in the absence of defects in the crystalline lattice thereof, manifested by the presence of silanols, has empirical formula x(M1/nXO2):y YO2:SiO2, in which M is selected from among H+, at least one inorganic cation with charge +n and a mixture of both; X is at least one chemical element in oxidation state +3; Y is at least one chemical element in oxidation state +4, which is different from Si, x has a value of between 0 and 0.2 inclusive, and y has a value of between 0 and 0.1 inclusive. In addition, as it is synthesised, and in the calcined state, the material has a characteristic X-ray diffraction pattern known as ITQ-32. The invention also relates to the method of preparing said material and to the use thereof.

Abstract: The present invention refers to a microporous crystalline material of zeolitic nature (ITQ-22) which, in the calcined state, has the empirical formula x(M1/nX02):yYO2:zR:wH20 wherein M is H+ or at least one inorganic cation of charge +n; X is at least one chemical element of oxidation state +3, preferably selected from the group consisting of Al, Ga, B, Fe and Cr; Y is at least one chemical element with oxidation state +4 other than Si and Ge, preferably selected from the group consisting of Ti, Sn and V; x has a value less than 0.2, preferably less than 0.1 and can take the value zero, y has a value less than 0.1, preferably less than 0.05 and can take the value zero, z has a value less than 0.8, preferably between 0.005 and 0.5 and can take the value zero, with a characteristic X-ray diffraction pattern, to the method of preparation and to the use of the material in separation and transformation processes of organic compounds.