Abstract: The invention relates to a porous crystalline material which, in the calcined state, has a composition: X2O3:nYO2:mZO2, wherein: X represents a trivalent element; Z represents Ge; and Y represents at least one tetravalent element other than Ge. Furthermore, in the chemical composition, (n+m) is equal to at least 5 and the Y/Z ratio is equal to at least 1. Moreover, in the calcined state, said material has an X-ray diffraction pattern which coincides substantially with (1), wherein VS is a very strong relative intensity corresponding to a percentage of between 80 and 100 with respect to the most intense peak; M is a mean relative intensity corresponding to a percentage of between 40 and 60 with respect to the most intense peak; and W is a mean relative intensity corresponding to a percentage of between 20 and 40 with respect to the most intense peak.

Abstract: The invention relates to a porous crystalline material (ITQ-24), the preparation method thereof and the use of same in the catalytic conversion of organic compounds. More specifically, the invention relates to a synthetic porous crystalline material which is characterised in that it is formed by tetrahedrally coordinated atoms which are interconnected by means of oxygens. Said material, which comprises a unit cell containing 56 tetrahedrally coordinated atoms, is known as ITQ-24. Moreover, in the calcined anhydrous state, the material has chemical formula nM1/pXO2: YO2, wherein: X is at least one trivalent element, Y is at least one tetravalent element, n is between 0 and 0.2 and M is at least one charge compensation cation in oxidation state p.

Abstract: The present invention relates to the use of zeolite ITQ-21 in a process of catalytic cracking of organic compounds. In said cracking process the zeolite ITQ-21 can be present in the catalyst as the sole zeolite component of same of combined with at least one second zeolite component. Moreover, said zeolite ITQ-21 can be present in the catalyst as unmodified zeolite ITQ-21 or as ITQ-21 modified zeolite. The preferred combinations, wherein the zeolite forms part of the cracking catalyst, are those wherein it is combined with at least one second zeolite component. The preferred modifications comprise, for example, a modification by means of post-synthesis treatment with phosphorous or a modification involving the introduction of acid centres. The catalytic process is preferably an FCC or DPC type hydrocarbon cracking process.

Abstract: The invention relates to a method of preparing an alkylated aromatic compound. The inventive method is characterized in that it comprises an alkylation reaction of an aromatic compound with an alkylating agent which is selected from an olefin, an alcohol and a polyalkylated aromatic compound, in the presence of a catalyst which is a porous crystalline material with the following chemical composition in the calcined form: X2O3:n YO2:m ZO2, wherein (n+m) is at least 5, X is at least a trivalent element, Z is Ge, Y is at least a tetravalent element different from Ge and the n/m ratio is at least 1. Said method is particularly suitable for obtaining cumene.

Abstract: This invention refers to a new zeolitic material included under the ITQ-16 denomination, to the method for obtaining them and their use as catalysts. This material, ITQ-16 zeolite, is characterized by having different ratios of the different polymorphs A, B and C described as possible intergrowths in Beta zeolite and which, therefore, show different X-ray diffraction patterns to that described for Beta zeolite, showing the X-ray diffraction pattern for ITQ-16, as it is synthesised, diffraction peaks at 2? angles of 6.9°, 7.4°, and 9.6°, simultaneously. ITQ-16 zeolite in its calcinated form has the following empiric formula: x(M1/nXO2):tTO2:gGeO2:(1?g)SiO2 where T is one or various elements with +4 oxidation status, different of Ge and Si; X is one or various elements with +3 oxidation status and M can be H+ or one or various inorganic cations with charge +n, t is comprised between 0 and 0.1, g is comprised between 0.001 and 0.33 and x is comprised between 0 and 0.2.

Abstract: A microporous crystalline material of a zeolitic nature, that corresponds to the empirical formula x(M1/nXO2):yYO2:zGeO2:(1?z)TO2 wherein x has a value between 0 and 0.2; y has a value between 0 and 0.1; z has a value between 0 and 0.67; being at least one of the z, x and y above zero; M is selected between H+ and inorganic cations with a +n charge; X is at least one chemical element with a +3 oxidation status; Y is at least one chemical element with a +4 oxidation status; and T is at least one chemical element with a +4 oxidation status; and is also characterised by its X-ray diffraction pattern and its microporous properties, and can be employed as a catalyst or oxidating agent in the separation and transformation of organic compounds.

Abstract: The invention provides a process for the alkylation of an aromatics compound with a olefin alkylation agent which comprises contacting the aromatic compound, especially benzene, with the alkylation agent, especially ethylene and/or propylene, in the presence of an oxide material which is delayered MWW-type zeolitic material, very suitably the material known as ITQ-2.

Abstract: The present invention provides a system and method of experimental testing of multiple solid catalysts under controlled and measured conditions of temperature, flows and composition of supply fluid which permit the reliable comparison of catalytic activities between different catalytic materials, including under deactivation conditions of the catalyst, in turn permitting the carrying out of different chemical and/or physical processes or treatments on a plurality of solid materials. The present invention likewise provides a novel switching system for flows in an array of conduits, permitting control of the passage of the fluid through each of the conduits. Another particular feature of the invention is that it provides a system and a method of sample-taking and fast quantitative analysis making it possible to carry out continuous sequential analysis of the composition of the reaction products coming from each compartment of the reactor.

Abstract: A porous crystalline material (ITQ-21) which in its calcined form has the chemical composition X2O3:nYO2:mZO2 wherein (n+m) is at least 5, X is a trivalent element, Z is Ge, Y is at least one tetravalent element other than Ge, and the ratio is m/(n+m) is 0.0 to 0.5, and displays the X-ray diffraction values given in Table 1, and a method of preparation of the material in the presence of fluoride ions and using N(16)-methylsparteinium as structure director agent; the material being useful in its acid form and in bifunctional catalyst form in processes of catalytic cracking, hydro-cracking and alkylation of aromatics.

Abstract: The object of the present invention is a process for the elimination of sulphur compounds from the gasoline fraction, characterized in that it comprises carrying out an oxidation reaction of said sulphur compounds using at least one organic-inorganic composite as a catalyst which comprises at least: Si, Ti and silicon linked to carbon and using organic or inorganic hydro-peroxides as oxidating agents. According to the process for the present invention, said organic or inorganic composite is obtained by means of a process that comprises a sililation stage during synthesis or by means of a process that comprises a post-synthesis sililation stage.

Abstract: The present invention refers to a microporous material formed by oxygen, silicon, germanium, aluminum, boron, gallium, zirconium and/or titanium in its composition, called TIQ-6, to its catalytic applications in oxidation reactions, and to a method of the TIQ-6 material's preparation based on the synthesis of a gel with a titanium and/or zirconium content, its hydrothermal treatment under controlled conditions, and the treatment of the resulting laminar material with a solution of an organic compound containing a proton accepting group. This swollen material is subjected to a specific treatment to obtain a high external area delaminated solid. A material, METIQ-6, similar to the TIQ-6 material, but also having organic groups anchored on its surface incorporated by a post-synthesis process onto the TIQ-6 material is also claimed.

Abstract: The invention relates to a porous crystalline material which, in the calcined state, has a composition: X2O3:nYO2:mZO2, wherein: X represents a trivalent element; Z represents Ge; and Y represents at least one tetravalent element other than Ge. Furthermore, in the chemical composition, (n+m) is equal to at least 5 and the Y/Z ratio is equal to at least 1. Moreover, in the calcined state, said material has an X-ray diffraction pattern which coincides substantially with (1), wherein VS is a very strong relative intensity corresponding to a percentage of between 80 and 100 with respect to the most intense peak; M is a mean relative intensity corresponding to a percentage of between 40 and 60 with respect to the most intense peak; and W is a mean relative intensity corresponding to a percentage of between 20 and 40 with respect to the most intense peak.

Abstract: The present invention relates to the use of zeolite ITQ-21 in a process of catalytic cracking of organic compounds. In said cracking process the zeolite ITQ-21 can be present in the catalyst as the sole zeolite component of same of combined with at least one second zeolite component. Moreover, said zeolite ITQ-21 can be present in the catalyst as unmodified zeolite ITQ-21 or as ITQ-21 modified zeolite. The preferred combinations, wherein the zeolite forms part of the cracking catalyst, are those wherein it is combined with at least one second zeolite component. The preferred modifications comprise, for example, a modification by means of post-synthesis treatment with phosphorous or a modification involving the introduction of acid centres. The catalytic procxess is preferably an FCC or DPC type hydrocarbon cracking process.

Abstract: A microporous crystalline material of a zeolitic nature that, in a calcinated and anhydrous state, has a chemical composition represented by the formula: x(M1/nXO2):yYO2:zGeO2:(1−z)TO2 wherein x has a value below 0.2, y has a value below 0.1, z has a value below 1, with at least one of x, z and y being above zero; M is H+ or at least an inorganic cation with a +n charge; X is at least one chemical element with a +3 oxidation status; Y is at least one chemical element with a + oxidation status; and T is at least one chemical element with a +4 oxidation status (Si, Ti, Sn, V), this material having a specific X-ray diffraction pattern. A method for preparation of the material and its use as a catalyst in organic compound separation and transformation processes is also described.

Abstract: The present invention refers to a crystalline material that does not contain fluorides, with a composition in a roasted state corresponding to that of the material called ITQ-17 and that has a composition on an anhydrous base and in terms of oxide moles upon being synthesized, unroasted, represented by:

Abstract: A catalyst which, by means of a reduction reaction at ambient temperature, permits the elimination of nitrates and nitrites in waters. The catalyst comprises a combination of a noble metal and a non-noble metal supported on or incorporated into the structure of a support which, in elemental and anhydrous form, has the formula XYMgAl, in which X is at least one noble metal, Y is at least one non-noble metal, Mg is magnesium and Al is aluminium, the Mg and Al preferably forming the structure of a hydrotalcite or a mixed oxide deriving from a hydrotalcite.

Abstract: A porous crystalline material (ITQ-21) which in its calcined form has the chemical composition

Abstract: The invention relates to a process for the elimination of sulphur compounds from the diesel fraction, which is characterized in that an oxidising reaction of said sulphur compound is carried out by using at least an organic-inorganic composite as catalyst, said composite comprising Si, Ti; and silicon bonded to carbon, and organic and inorganic hydroperoxides as oxidizing agents. According to the inventive process, said organic-inorganic composite can be obtained by a method comprising a post-synthesis silylation step.

Abstract: The invention relates to a method for synthesizing a family of zeolite materials, grouped together under the name ITQ-16, in an OH− medium and in the absence of fluorides and to the catalytic applications thereof. The zeolite ITQ-16 family of materials is characterized by having different proportions of distinct polymorphs A, B and C described as possible intergrowths in the Beta zeolite and, therefore, the X-ray diffraction patterns of said family are different from that described for the Beta zeolite. In its calcinated form, zeolite ITQ-16 has the following empirical formula: x(MXO2):tTO2:gGeO2:(1−g)SiO2, wherein T is one or more elements having +4 oxidation status and different from Ge and Si; X is one or more elements having +3 oxidation status; and M can be H+ or one or more inorganic cations with a +n charge.

Abstract: The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene. Said material has a characteristic X-ray diffractogram, a high absorption capacity and the empirical formula x(M1/nXO2):yYO2:(1−y)SiO2 wherein x has a value less than 0.2; y has a value less than 0.1; M is at least an inorganic cation with a +n charge; X is at least a chemical element having oxidation state +3, preferably selected among Al, Ga, B, Cr, Fe; Y is at least a chemical element with oxidation stated +4, preferably selected among Ge, Ti, Sn, V. The inventive material can be obtained by means of a preparation process involving the use of one or more organic additives in a reaction mix which is crystallized by heating.