摘要:
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.
摘要翻译:本发明涉及多孔结晶材料(ITQ-24),其制备方法及其在有机化合物的催化转化中的用途。 更具体地说,本发明涉及一种合成多孔结晶材料,其特征在于它由四面体配位的原子形成,这些原子通过氧相互连接。 所述材料包括含有56个四面体配位原子的晶胞,称为ITQ-24。 此外,在煅烧无水状态下,该材料具有化学式nM 1 / p XO 2:YO 2 N,其中:X至少为 一个三价元素,Y是至少一种四价元素,n在0和0.2之间,M是氧化态p中的至少一种电荷补偿阳离子。
摘要:
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.
摘要翻译:本发明涉及一种制备烷基化芳族化合物的方法。 本发明的方法的特征在于它包括芳族化合物与选自烯烃,醇和多烷基化芳族化合物的烷基化剂在催化剂的存在下的烷基化反应,催化剂是多孔结晶材料,其具有以下 煅烧形式的化学组成:X 2 O 3:n Y 2 O 2:m ZO 2,其中( n + m)至少为5,X为至少三价元素,Z为Ge,Y为至少与Ge不同的四价元素,n / m比为1以上。所述方法特别适用于获得枯烯 。
摘要:
The present invention refers to a microporous crystalline material, to the method for the production thereof and to the use of same, the material having a composition: xX2O3:zZO2:yYO2 in which: X is a trivalent element such as Al, B, Fe, In, Ga, Cr, or mixtures thereof, where (y+z)/x can have values of between 9 and infinity; Z corresponds to a tetravalent element selected from Si, Ge or mixtures thereof; and Y corresponds to a tetravalent element such as Ti, Sn, Zr, V or mixtures thereof, where z/y can have values of between 10 and infinity.
摘要:
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.
摘要:
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.
摘要:
ITQ-26 (INSTITUTO DE TECNOLOOIA QUIMICA number 26) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral atom framework being defined by the interconnections between the tetrahedrally coordinated atoms in its framework, ITQ-26 can be prepared in silicate compositions with an organic structure directing agent. It has a unique X-ray diffraction pattern, which identifies it as a new material. ITQ-26 is stable to calcination in air, absorbs hydrocarbons, and is catalytically active for hydrocarbon conversion.
摘要翻译:ITQ-26(INSTITUTO DE TECNOLOOIA QUIMICA编号26)是一种新的结晶微孔材料,其四面体原子框架由能够桥接四面体原子的原子连接,四面体原子框架由其框架中的四面体配位原子之间的互连 ,ITQ-26可以在具有有机结构导向剂的硅酸盐组合物中制备。 它具有独特的X射线衍射图,将其识别为新材料。 ITQ-26在空气中煅烧稳定,吸收碳氢化合物,对烃转化具有催化活性。
摘要:
The invention relates to a catalyst consisting of at least: one matrix comprising at least one oxide which is selected from an amorphous oxide, an oxide with low crystallinity and a mixture of both; at least one solid microporous crystalline material which, in the calcined and anhydrous state, has the molar compositions X2O3:nYO2:mZO2, in which X is a trivalent element such as, for example, Al, B, Fe, In, Ga, Cr, Y is at least one trivalent element that is different from Ge and Z is Ge, the value (n+m) is at least equal to 5 and can be between 5 and ∞, and the value of n/m is at least equal to 1; and at least one hydrogenating compound, preferably Pt, Pd, Ir, Ru, Rh, and Re or a combination of same. The invention also relates to the use of said catalyst in a process in order to improve the quality of diesel fractions.
摘要:
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.
摘要:
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.
摘要翻译:本发明涉及一旦煅烧并且处于无水状态的材料具有通式x(M1 / n XO2):z ZO 2:y GeO 2:(1-y)SiO 2,其中x的值小于0.2,优选 小于0.15,可以等于零; z的值在0和0.1之间,优选在0和0.05之间; y的值在0和1之间,优选在0和0.75之间; M表示一个或多个带+ n的无机阳离子; X表示一种或多种+3氧化态化学元素(Al,B,Ga,Fe); Z表示与硅和锗不同的一种或多种+4氧化态阳离子,优选为Ti或Sn。 所述材料可用作酸催化方法中的催化剂组分或用作分离和吸收/吸附方法中的金属或氧化物载体。
摘要:
ITQ-27 (INSTITUTO DE TECNOLOGÍA QUÍMICA number 27) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral atom framework being defined by the interconnections between the tetrahedrally coordinated atoms in its framework. ITQ-27 can be prepared in silicate compositions with a organic structure directing agent. It has a unique X-ray diffraction pattern, which identifies it as a new material. ITQ-27 is stable to calcination in air, absorbs hydrocarbons, and is catalytically active for hydrocarbon conversion.