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 catalytic method for the transalkylation/dealkylation of organic compounds, consisting in bringing a supply comprising organic compounds into contact with a catalyst containing a first zeolitic component that is selected from among: a) one or more zeolites having crystalline structure ITQ-13; b) one or more zeolites having crystalline structure ITQ-13, which are modified either by means of selectivation or with the incorporation of one or more metals, or both; and c) a mixture of a) and b). The invention also relates to a catalyst comprising one or more modified zeolites having crystalline structure ITQ-13.
摘要:
A process for making a calcined, oxide material by at least partially delaminating a swollen, layered oxide material prior to calcination, and the product thereof having an increased active surface area that corresponds to an adsorption capacity for 1,3,5-trimethylbenzene of at least 0.50 mmol/g at a temperature of 42° C. and a pressure of 173.3 Pa. The calcined, oxide material retains a porous shape although non-pillared.
摘要:
The invention concerns a microporous oxide material ITQ6, with a characteristic X-ray diffraction pattern, and surface areas for which microporous surface area may be of at least 20 m2/g the external surface area may be at least 350 m2/g and the total surface area may be at least 400 m2/g. It may be made via preparation of gel, its hydrothermal treatment, and the treatment of the resulting material with a swelling solution followed by at least partial delamination e.g., by mechanical agitation or ultrasonics. The final oxide material is calcined and, in its acid form or combined with metals, especially noble metals, is useful as catalyst for the isomerization of n-butene to isobutene, or in dewaxing and isodewaxing processes and as a catalytic cracking catalyst or as an additive in FCC catalysts.
摘要:
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.
摘要:
Described herein are zeolite microporous crystalline materials comprising, in the heated state and in the absence of defects in its crystalline framework manifested by the presence of silanols, the empirical formula: x(M1/nXO2):yYO2:SiO2, wherein M is selected from H+, an inorganic cation of charge +n, and mixtures thereof, X is at least one chemical element having an oxidation state of +3, Y is at least one second chemical element other than Si having an oxidation state +4, x has a value between 0 and about 0.3, y has a value between 0 and about 0.1, and wherein the synthesized material has an X-ray diffraction pattern having at least values of angle 2θ (degrees) and relative intensities (I/I0) described. Process of making the microporous crystalline materials are also disclosed.
摘要翻译:本文描述的是沸石微孔结晶材料,其包括在加热状态下,在不存在由硅烷醇存在的结晶框架中缺陷的情况下,经验式:x(M1 / nXO2):yYO2:SiO2,其中M选自 H +,电荷无机阳离子+ n及其混合物,X是氧化态为+3的至少一种化学元素,Y是具有氧化态+4以外的除了Si以外的至少一种第二化学元素,x具有 值在0和约0.3之间,y具有在0和约0.1之间的值,并且其中合成材料具有至少具有所述角度2θ(度)和相对强度(I / I0)的X射线衍射图。 还公开了制备微孔结晶材料的方法。
摘要:
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.
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, a method for its preparation and its use.
摘要:
A crystalline microporous material of zeolitic nature (ITQ-41) having in its calcined form a chemical composition represented by the empirical formula: x(M1/nXO2):yYO2:SiO2 wherein, Y is a chemical element other than Silicon with oxidation status +4; X is a chemical element with oxidation status +3; M is H+ or an inorganic cation with charge n+; n can take any value between 1 to 3; x can take any value comprised between from about 0 to about 0.2; preferably lower than 0.0666, and more preferably lower than 0.05; y can take any value comprised between 0 and 0.2, and wherein, said material is characterized by the presence of four reflections in its powder X-Ray diffraction pattern at 6.9°; 7.4°; 8.3°, and 9.6°2θ angles.
摘要翻译:沸石性质的结晶微孔材料(ITQ-41),其煅烧形式为经验式表示的化学组成:<?in-line-formula description =“In-line formula”end =“lead”?> x( M 1 / n XO 2 2):y Y 2 2:SiO 2 <β在线公式描述= “In-line Formulas”end =“tail”?>其中,Y是氧化状态+4以外的硅以外的化学元素; X是氧化态为+3的化学元素; M是H + H +或具有电荷n +的无机阳离子。 n可以取1到3之间的任何值; x可以取约0至约0.2之间的任何值; 优选低于0.0666,更优选低于0.05; y可以取0至0.2之间的任何值,并且其中所述材料的特征在于在其粉末X射线衍射图中在6.9°存在四次反射; 7.4°; 8.3°和9.6°2θ角。
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.