摘要:
The invention pertains to a method for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HaloFE) having general formula (l-A) or R f O-CR f 'X-CR f "R f "'X' (l-A) wherein R f represents a C 1 -C 6 perfluoro(oxy)alkyl group; R f ', R f " and R f '", equal or different from each other, independently represent fluorine atoms or C 1 -C 5 perfluoro(oxy)alkyl groups; X and X', equal or different from each other, are independently selected from CI, Br or I; (l-B) wherein R f * and R f *', equal or different from each other, independently represent fluorine atoms or C 1 -C 3 perfluoro(oxy)alkyl groups; Y 1 and Y 2 , equal or different from each other, independently represent fluorine atoms or C 1 -C 3 perfluoroalkyl groups; X and X' are as above defined; said method comprising contacting said halofluoroether (HaloFE) with hydrogen in the presence of a catalyst comprising at least one transition metal (M) of group VI 11 B and tin.
摘要翻译:本发明涉及通过具有通式(IA)或R f F-O-CR'的卤代氟代醚(HaloFE)的加氢脱卤作用制备全氟乙烯基醚的方法, 其中R f表示C 1 -C 4烷基,其中R f表示C 1 -C 4烷基, (C 1-6) - 全氟(氧)烷基; R',R',R',R',R' 和R''“',彼此相同或不同,独立地表示氟原子或C 1 -C 5全氟(氧)烷基 组; X和X'彼此相同或不同,独立地选自Cl,Br或I; (IB)其中R f *和R f *彼此相同或不同,独立地代表氟原子或C 1 -C 3个全氟(氧)烷基; Y1和Y2彼此相同或不同,各自独立地代表氟原子或C≡C≡3 sub> 全氟烷基; X和X'如上所定义; 所述方法包括在包含至少一种第VI II B族过渡金属(M)和锡的催化剂存在下使所述卤代氟醚(HaloFE)与氢气接触。
摘要:
A catalyst carrier may have a cross-sectional shape that may include a plurality of surface channels having a first channel width and a second channel width, where the first channel width may be closer to a periphery of the cross-sectional shape than the second channel width and the first channel width may be less than the second channel width. The cross-sectional shape may further include a plurality of surface features where at least one surface feature is located between at least one pair of surface channels. The cross-sectional shape may further include a ratio LOC/LSCP of at least about 1.7, where LOC is a length of a total contour of the cross-sectional shape and LSCP is a length of an outer simple convex perimeter of the cross-sectional shape.
摘要:
Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z 1 OZ 2 OSiCH 2 ] 3 (I), wherein each Z 1 and Z 2 independently represent a hydrogen atom, a C 1 -C 4 alkyl group or a bond to a silicon atom of another monomer and at least one other trivalent metal oxide monomer are provided herein. Methods of preparing and processes of using the organosilica materials, e.g. , for catalysis etc. , are also provided herein.
摘要:
Methods of preparing organosilica materials, which is a polymer comprising independent siloxane units of Formula [Z3Z4SiCH2]3 (I), wherein each Z3 represents a hydroxyl group, a C1-C4 alkoxy group or an oxygen atom bonded to a silicon atom of another siloxane unit and each Z4 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C4 alkyl group, or an oxygen atom bonded to a silicon atom of another siloxane, in the absence of a structure directing agent and/or porogen are provided herein. Processes of using the organosilica materials, e.g., for gas separation, etc., are also provided herein.
摘要翻译:制备有机硅材料的方法,其为包含式[Z 3 Z 4 SiCH 2] 3(I)的独立硅氧烷单元的聚合物,其中每个Z 3表示羟基,C1-C4烷氧基或与另一硅氧烷的硅原子键合的氧原子 在不存在结构导向剂和/或致孔剂的情况下,Z4表示羟基,C1-C4烷氧基,C1-C4烷基或与另一硅氧烷的硅原子键合的氧原子。 于此。 本文还提供了使用有机二氧化硅材料的方法,例如用于气体分离等。
摘要:
Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z 1 OZ 2 OSiCH 2 ] 3 (I), wherein each Z 1 and Z 2 independently represent a hydrogen atom, a C 1 -C 4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g ., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.
摘要:
Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst. The preferred catalyst composition is a combination of manganese oxide and copper oxide.
摘要:
L'invention concerne un catalyseur d'hydroconversion de structure poreuse bimodale comprenant : une matrice oxyde majoritairement aluminique calcinée; une phase active hydro-déshydrogénante comprenant au moins un métal du Groupe VIII de la classification périodique des éléments, éventuellement au moins un métal du groupe VIB de la classification périodique des éléments, éventuellement du phosphore, ladite phase active étant au moins en partie comalaxée au sein de ladite matrice oxyde majoritairement aluminique calcinée, ledit catalyseur présentant une surface spécifique S BET supérieure à 100 m 2 /g, un diamètre médian mésoporeux en volume compris entre 12 et 25 nm, bornes incluses, un diamètre médian macroporeux en volume compris entre 250 et 1500 nm, bornes incluses, un volume mésoporeux tel que mesuré par intrusion au porosimètre à mercure, supérieur ou égal à 0,55 ml/g et un volume poreux total mesuré par porosimétrie au mercure supérieur ou égal à 0,70 ml/g. L'invention concerne également un procédé de préparation de catalyseur adapté à l'hydroconversion/hydrotraitement de résidus par comalaxage de la phase active avec une alumine particulière. L'invention concerne enfin l'utilisation du catalyseur dans des procédés d'hydrotraitement, notamment l'hydrotraitement de charges lourdes.
摘要:
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung einer mit mindestens einer metallorganischen Gerüstsubstanz (MOF-Material) ausgestatteten und/oder imprägnierten Aktivkohle, insbesondere in Form von diskreten Aktivkohlepartikeln, vorzugsweise zur Herstellung einer Aktivkohle mit reaktiver und/oder katalytischer Aktivität. Die metallorganische Gerüstsubstanz wird in situ in den Poren und/oder in dem Porensystem der Aktivkohle ausgehend von mindestens einem mindestens eine Metall enthaltende Metallpräkursorverbindung (MP) und mindestens einem Liganden-Präkursor (LP) hergestellt.
摘要:
The method of obtaining the CMK-3-type carbon replica, consisting of the introduction of SBA-15-type molecular sieve to a mixture of furfuryl alcohol and a solvent, the subsequent polycondensation of furfuryl alcohol, carbonization of the prepared, composite and removal of the hard template, according to the invention, is characterised in that the reaction of furfuryl alcohol polycondensation is carried out by the precipitation method in a slurry containing SBA-15 silica sieve, water, furfuryl alcohol and concentrated solution of hydrochloric acid in mass ratios, respectively, in the range from 1.00:32.33:1.00:6.65 to 1.00:30.83:2.50:16.64, whereas the ratio of the total mass of furfuryl alcohol and water to the mass of SBA-15 as well as the mass ratio of the concentrated HCI solution to the mass of furfuryl alcohol are kept at the constant value every time.