摘要:
The invention relates to a heterogeneous method for oligomerising alkenes in order to produce hydricarbons within a diesel fraction in the present of a catalyst based on the ITQ-39 zeolite. The oligomerisation method described in the present invention includes at least: a. feeding a catalyst containing at least the ITQ-39 zeolitic material into the reactor; b. supplying the reactor with a stream that includes at least one olefinic compound; and c. enabling the catalyst containing at least the ITQ-39 material and the organic compound to remain in contact during the time required for the reaction to take place.
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: x X2O3:z ZO2:y YO2 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.
摘要翻译:本发明涉及一种微孔结晶材料,其制备方法及其用途,该组合物为:x X 2 O 3 :z ZO 2:y YO 2,其中X为三价元素如Al, B,Fe,In,Ga,Cr或其混合物,其中(y + z)/ x可以具有在9和无穷大之间的值; Z对应于选自Si,Ge或其混合物的四价元素; 和Y对应于诸如Ti,Sn,Zr,V或其混合物的四价元素,其中z / y可以具有在10和无穷大之间的值。
摘要:
The present invention refers to a process for the production of myrtanal from β-pinene epoxide that comprises at least of putting this epoxide in contact with a microporous and crystalline catalyst with pores of a diameter of at least 0.52 nm with an empirical formula for the calcinated and dehydrated form of Hw(MwTixSnyZrzSi1-w-x-y-z)O2 where M is at least a metal with valence+3 selected from Al, B, Ga, Fe, Cr and combinations of these; w is a molar fraction of M with a value of between 0 and 2(x+y+z); x is a molar fraction of titanium and has a value of between 0 and 0.06; y is a molar fraction of tin and has a value of between 0 and 0.06; z is a molar fraction of zirconium and has a value of between 0 and 0.06; and where at least one of the three values “x”, “y” or “z” is different from zero. In the present invention, the microporous and crystalline catalyst preferably has pores of at least 0.52 nm and has a crystalline structure with an X-ray diffractogram of a zeolite beta.
摘要:
The present invention refers to a method for allylic catalytic oxidation to obtain α,β-unsaturated ketones and alcohols from bicyclic compounds reacted with oxygen and catalysts comprising metal-organic compounds and gold nanoparticles. The present invention also relates to a method for the preparation of fragrances using the above methods or products of the above method.
摘要:
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.
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 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.
摘要翻译:本发明涉及用于有机化合物的催化转化的新型微孔结晶材料ITQ-19,例如石蜡的脱蜡和异戊二烯化和甲苯的歧化。 所述材料具有特征X射线衍射图,高吸收能力和经验公式x(M 1 / n 2 X 2 2):y Y 2 O 2 >:(1-y)SiO 2其中x的值小于0.2; y的值小于0.1; M至少为+ n电荷的无机阳离子; X至少是氧化态为+3的化学元素,优选选自Al,Ga,B,Cr,Fe; Y至少是一种化学元素,其氧化值为+4,优选选自Ge,Ti,Sn,V。本发明的材料可以通过涉及在反应混合物中使用一种或多种有机添加剂的制备方法获得, 通过加热结晶。
摘要:
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.
摘要:
The invention deals with a microporous crystalline material, with a characteristic X-ray diffractogram, comprised of oxygen tetrahedra and a metal (T+4 and T+3) with the possibility of introducing surface acidity produced by the substitution in the lattice of some T+4 cations by T+3 cations, which gives rise to a structural charge deficiency that may be compensated by protons, Brönsted acidity, and/or high ratio radium charge cations, Lewis acidity; and the obtaining method thereof, based on the preparation of a gel, its hydrothermal treatment under controlled conditions and the treatment of the resulting laminar material with a solution of an organic compound, a swollen material being obtained, which is subjected to a treatment for the formation of interlaminar pillars of polymeric oxides, obtaining a pillared material that maintains the separation between the sheets, even after calcination.
摘要:
A process for the direct synthesis of Cu-SAPO-34 comprising at least the steps: preparation of a mixture of water, at least one silicon source, at least one Al source, at least one P source, at least one Cu source, at least one 0SDA1 (any polyamine), and at least one OSDA2 source (where OSDA2 is any organic molecule capable of directing the synthesis of SAPO 34); and where the final synthesis mixture has the molar composition: a Si:0.5 Al:c Cu:d OSDA1:e OSDA2:f H2O wherein a is in the range from 0.01 to 0.3; b is in the range from 0.2 to 0.49; c is in the range from 0.001 to 0.6; d is in the range from 0.001 to 0.6; e is in the range from 0.001 to 2; f is in the range 1 to 200; hydrothermal treatment of the mixture at 80−200° C. until formation of the crystalline material, and recovery of the crystalline material.