摘要:
A process for producing an aromatization catalyst is provided. The process comprises contacting an inorganic support with a catalytic metal solution to deposit a catalytic metal onto the inorganic support to obtain the aromatization catalyst and carburizing the aromatization catalyst. The catalytic metal comprises chromium, cobalt, gallium, iron, magnesium, molybdenum, vanadium, zinc, or a combination comprising at least one of the foregoing, preferably molybdenum. The inorganic support comprises a zeolite and a silica to alumina molar ratio of the zeolite is 10 to 50, preferably 13 to 30. The pH of the catalytic metal solution is greater than or equal to 9, or greater than or equal to 10.
摘要:
Un catalizador que comprende una zeolita de intercambio catiónico con clústers de óxidos metálicos incorporados a ella, un método de preparación de la misma y su uso en la producción de crotonaldehído y alcohol crotílico, que pueden ser fácilmente deshidratados a butadieno.
摘要:
一种400℃-600℃烟气的蜂窝脱硝催化剂及其制备方法。该蜂窝脱硝催化剂包括催化剂涂层和蜂窝陶瓷,其中催化剂涂层浆料由包括以下质量百分比的组分制成:沸石15-25%,γ型氧化铝5-10%,催化剂助剂5-10%,粘结剂5%,去离子水50-70%。将蜂窝陶瓷反复浸渍在上述催化剂涂层浆料,涂覆完毕进行烘干和焙烧得到催化剂。该蜂窝脱硝催化剂中包含催化助剂,具有优异的高温脱硝活性、抗硫耐水、稳定性和NO X 去除性。
摘要:
A catalyst system comprises an activated sold support material and having, on its surface, one or more catalytic transition metal complex, wherein the solid support material comprises a core@layered double hydroxide shell material having the formula I TP @ {[Mz+(i -x)M'xy+(OH)2]a+(Xn )a/n»bH2O»c(AMO-solvent)}q (I) wherein T is a solid, porous, inorganic oxide-containing framework material, Mz+ and My+ are independently selected charged metal cations; Mz+ is a metal cation of charge z or a mixture of two or more metal cations each independently having the charge z; M'y+ is a metal cation of charge y or a mixture of two or more metal cations each independently having the charge y; z = 1 or 2; y = 3 or 4; 0 0; q>0; Xn~ is an anion; with n > 0; a = z(1-x) + xy-2; and AMO-solvent is an organic solvent which is completely miscible with water. The catalyst system has use in the polymerisation and/or copolymerisation of at least one olefin for producing a homopolymer and/or copolymer. Also disclosed is a process for preparing a polyolefin homopolymer or a polyolefin copolymer which comprises reacting olefin monomers in the presence of the catalyst system. Preferably, the polyolefin is polyethylene and the olefin monomer is ethylene.
摘要翻译:催化剂体系包括活化的已售出的载体材料,并且在其表面上具有一个或多个催化过渡金属络合物,其中固体载体材料包含具有式I TP @ {[Mz +(i- x)M'xy +(OH)2] a +(Xn)a / n»bH2O»c(AMO-溶剂)} q(I)其中T是固体,多孔,无机氧化物的骨架材料,Mz +和My + 独立选择的带电金属阳离子 Mz +是电荷z的金属阳离子或两种或多种各自独立地具有电荷z的金属阳离子的混合物; M'y +是电荷y的金属阳离子或两个或更多个各自独立地具有电荷y的金属阳离子的混合物; z = 1或2; y = 3或4; 0 0; Q> 0; Xn〜是阴离子; n> 0; a = z(1-x)+ xy-2; 而AMO溶剂是与水完全混溶的有机溶剂。 该催化剂体系用于至少一种烯烃的聚合和/或共聚以产生均聚物和/或共聚物。 还公开了一种制备聚烯烃均聚物或聚烯烃共聚物的方法,其包括在催化剂体系存在下使烯烃单体反应。 优选地,聚烯烃是聚乙烯,烯烃单体是乙烯。
摘要:
비식용 및 폐기물로 버려지던 목질계 탄화수소로 농작물의 줄기, 옥수수줄기, 야자수나 팜, 카놀라, 자트로파 등에서 기름을 추출하고 남은 껍질 등의 목질계 탄화수소나, 또는 해양이나 호수의 조류를 원료로 사용할 수 있으며, 폐플라스틱이나 유기폐기물로부터 양질의 오일을 얻을 수 있는 장점을 가지고 있어서, 폐자원 이용과 CO 2 저감으로 온실가스 감축효과를 동시에 얻을 수 있어, 에너지 재사용에 의한 에너지의 효율적 이용과 온실가스인 이산화탄소 배출을 감축하여 대기환경개선에 크게 기여할 수 있는 바이오매스, 폐플라스틱, 유기폐기물로부터 양질의 오일을 생성시킬 수 있는 오일 생성 시스템 및 그 촉매가 개시되어 있다.
摘要:
A method for converting an alcohol to a hydrocarbon, the method comprising contacting said alcohol with a metal-loaded zeolite catalyst at a temperature of at least 100°C and up to 550°C, wherein said alcohol can be produced by a fermentation process, said metal is a positively-charged metal ion, and said metal-loaded zeolite catalyst is catalytically active for converting said alcohol to said hydrocarbon.
摘要:
The present invention relates to a catalyst system for olefin metathesis, the catalyst system comprising: a) a first system zone substantially comprising a layered double hydroxide; and b) a second system zone comprising a metathesis catalyst.
摘要:
A process is disclosed for making styrene or ethylbenzene by reacting toluene with a Cl source that is selected from the group consisting of methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, and combinations thereof. Also a method is disclosed of preparing a catalyst including providing a substrate and a first solution containing at least one promoter, contacting the substrate with the solution to obtain a catalyst containing at least one promoter, wherein the contacting of the substrate with the solution subjects the substrate to the addition of at least one promoter.
摘要:
The present invention relates to new polymetallic catalysts supported on at least slightly basic materials and a process for the conversion of lignin to hydrocarbons, which uses said catalysts.
摘要:
The present invention provides a catalyst comprising a transition metal, an inorganic support, a zeolite, and a layered double hydroxide. Using of the catalyst according to the present invention in an olefin production process exhibits high activity and high selectivity with decreased deactivation rate, therefore longer reaction cycle can be performed and catalyst life is prolonged.