Abstract:
A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising(i)providing a zeolitic material having an MWW framework structure comprising SiO 2 and B 2 O 3 , (ii)incorporating titanium into the zeolitic material provided in (i) comprising(ii.1) preparing an aqueous synthesis mixture containing the zeolitic material provided in (i), an MWW template compound and a titanium source, (ii.2) hydrothermally synthesizing a titanium-containing zeolitic material having an MWW framework structure from the aqueous synthesis mixture prepared in (ii.1), obtaining a mother liquor comprising the titanium-containing zeolitic material having an MWW framework structure;(iii)spray-drying the mother liquor obtained from (ii.2) comprising the titanium-containing zeolitic material having an MWW framework structure.
Abstract translation:一种制备具有MWW骨架结构的含钛沸石材料的方法,该方法包括(i)提供具有包含SiO 2和B 2 O 3的MWW骨架结构的沸石材料,(ii)将钛掺入提供于( i)包括(ii.1)制备含有(i)中提供的沸石材料的水性合成混合物,MWW模板化合物和钛源,(ii.2)水热合成具有MWW骨架结构的含钛沸石材料 从(ii.1)中制备的水性合成混合物得到包含具有MWW骨架结构的含钛沸石材料的母液;(iii)喷雾干燥由(ii.2)得到的母液, 含有MWW骨架结构的沸石材料。
Abstract:
The present invention relates to a process for the production of a pillared silicate comprising: (i) providing a layered silicate; (ii)interlayer expanding the layered silicate provided in step (i) comprising a step of treating the layered silicate with one or more swelling agents; (iii)treating the interlayer expanded silicate obtained in step (ii) with one or more hydrolyzable silicon containing compounds; (iv)treating the interlayer expanded compound obtained in step (iii) with an aqueous solution to obtain a pillared silicate; (v)removing at least a portion of the one or more swelling agents from the pillared silicate obtained in step (iv); (vi) impregnating the pillared silicate obtained in step (v) with one or more elements selected from the group consisting of Fe, Ru, Ir, and combinations of two or more thereof, as well as to a pillared silicate optionally obtainable from said process and its use, in particular in a process for the production of one or more olefins according to the invention.
Abstract:
A process for the post-treatment of a zeolitic material having a BEA framework structure, the process comprising (i) providing a zeolitic material having a BEA framework structure, wherein the framework structure of the zeolitic material comprises X 2 O 3 and YO 2 , wherein Y is a tetravalent element and X is a trivalent element and wherein the molar ratio X 2 O 3 : YO 2 is greater than 0.02 : 1; (ii) treating the zeolitic material provided in (i) with a liquid solvent system thereby obtaining a zeolitic material having a molar ratio X 2 O 3 : YO 2 of at most 0.02 : 1, and at least partially separating the zeolitic material from the liquid solvent system; (iii) treating the zeolitic material obtained from (ii) with a liquid aqueous system having a pH in the range of 5.5 to 8 and a temperature of at least 75 °C.
Abstract translation:一种用于后处理具有BEA骨架结构的沸石材料的方法,该方法包括(i)提供具有BEA骨架结构的沸石材料,其中沸石材料的骨架结构包含X 2 O 3和YO 2,其中Y是 四价元素,X是三价元素,其中X 2 O 3 :YO 2的摩尔比大于0.02:1; (ii)用液体溶剂系统处理(i)中提供的沸石材料,从而获得摩尔比X2O3:YO2至多0.02:1的沸石材料,并至少部分地将沸石材料与液体溶剂系统分离; (iii)用pH为5.5〜8,温度为至少75℃的液态水系统处理由(ⅱ)得到的沸石材料。
Abstract:
Method of charging a sorption store with a gas, wherein the sorption store comprises a closed container (10) and a feed device which has a passage (21) through the container wall, through which the gas can flow into the container, and the container has at least two parallel, channel-shaped subchambers (30,31,32,33) which are located in its interior and are each at least partly filled with an adsorption medium (40) and whose channel walls are coolable, wherein, in a first step, gas is fed in in such an amount that a pressure in the store of at least 30% of a predetermined final pressure is reached as quickly as possible and in a second step, the amount of gas fed in is subsequently varied in such a way that the course of the pressure in the store approximates the adsorption kinetics of the adsorption medium (40) until the predetermined final pressure in the store is reached after a predetermined period of time.
Abstract:
The present invention relates to a process for preparing a porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion, where the at least one metal ion is based on an aluminum ion and the at least one at least bidentate organic compound is based on fumaric acid, by reacting at least one aluminum compound with at least fumaric acid in an alkaline aqueous medium, optionally in the presence of at least one base, at a temperature in the range from 20°C to 100°C at an absolute pressure of not more than 2 bar for from 0.2 to 4 hours.
Abstract:
A method for separating acetonitrile from water, comprising (i) providing a stream S1 containing at least 95 wt.-%, based on the total weight of S1, acetonitrile and water, wherein the weight ratio of acetonitrile : water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to S1 to obtain a mixed stream S2, C3 being propene optionally admixed with propane with a minimum weight ratio of propene : propane of 7:3; (iii) subjecting S2 to a temperature of 92 °C at most and a pressure of at least 10 bar, obtaining a first liquid phase L1 essentially consisting of C3, acetonitrile, and water, and a second liquid phase 12 essentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile : water in L2 is less than 1; (iv) separating L1 from L2.
Abstract:
Die vorliegende Erfindung betrifft ein biologisch abbaubares Material in Form einer Folie oder eines Films, wobei das Material ein Polymer enthält, wobei das Polymer mindestens ein poröses metallorganisches Gerüstmaterial enthält und das mindestens eine poröse metallorganische Gerüstmaterial mindestens eine an mindestens ein Metallion koordinativ gebundene, mindestens zweizähnige organische Verbindung enthält. Die Erfindung betrifft weiterhin Lebensmittelverpackungen enthaltend ein solches Material sowie dessen Verwendung zur Verpackung von Lebensmitteln und die Verwendung eines porösen metallorganischen Gerüstmaterials bei der Lebensmittelverpackung zum Absorbieren von Ethen.
Abstract:
The present invention relates to a process for the preparation of a silicate compound, comprising (1) providing at least one layered silicate; and (2) mixing said layered silicate with water and at least one silicon containing compound according to formula R 4-m Si[-(SiR 2 ) n -R] m wherein at least one residue R is a leaving group and none of the residues R contains Si; m is 0, 1, 2, 3, or 4; and n is an integer greater than or equal to 0.
Abstract:
Die vorliegende Erfindung betrifft Verfahren zur technischen Gewinnung von Propen aus einem zumindest Propen und Propan enthaltenden Gasstrom, den Schritt enthaltend - In Kontakt bringen des Gasstromes mit einem Adsorbens enthaltend ein poröses metallorganisches Gerüstmaterial enthaltend mindestens eine an mindestens ein Metallion koordinativ gebundene mindestens zweizähnige organische Verbindung, wobei das Adsorbens mit Propan beladen wird und der Gasstrom dadurch einen erhöhten Propenanteil aufweist, wobei die mindestens zweizähnige organische Verbindung ein Imidazolat ist, das unsubstituiert ist oder einen oder mehrere Substituenten unabhängig voneinander ausgewählt aus der Gruppe bestehend aus Halogen, C 1-6 Alkyl, Phenyl, NH 2 , NH(C 1-6 Alkyl), N(C 1-6 Alkyl) 2 , OH, O-Phenyl und O-C 1-6 Alkyl aufweist. Weiterhin betrifft die vorliegende Erfindung die Verwendung eines solchen porösen metallorganischen Gerüstmaterials zur technischen Gewinnung von Propen aus einem zumindest Propen und Propan enthaltenden Gasstrom durch Propanabreicherung des Gasstromes.
Abstract:
The present invention relates to a process for the separation of at least one unbranched C4-C2O hydrocarbon from a fluid mixture containing the unbranched hydrocarbon and at least one branched isomer of the unbranched hydrocarbon, which comprises the step of - contacting the fluid mixture with an adsorbent comprising a porous metal organic framework material, which material comprises at least one at least bidentate organic compound coordinately bound to at least one metal ion, to get the unbranched hydrocarbon adsorbed, wherein the at least one at least bidentate organic compound is a monocyclic, bicyclic or polycyclic ring system which is derived from at least one heterocycle selected from the group consisting of pyrrole, alpha-pyridone and gamma-pyridone and has at least two ring nitrogens and is unsubstituted or bears one or more substituents selected independently from the group consisting of halogen, Ci-6-alkyl, phenyl, NH2, NH(d-6-alkyl), N(C1-6-alkyl)2, OH, Ophenyl and OCi-6-alkyl, where the substituents Ci_6-alkyl and phenyl are unsubstituted or bear one or more substituents selected independently from the group consisting of halogen, NH2, NH(d-6-alkyl), N(C1-6-alkyl)2, OH, Ophenyl and OCi-6-alkyl. The present invention also relates to the use of said porous metal-organic framework material in a process for the separation of unbranched hydrocarbons from their branched isomers.