会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 32. 发明申请
    • Process for Making Crystalline Metallosilicates
    • 制备结晶金属硅酸盐的方法
    • US20110124934A1
    • 2011-05-26
    • US12994570
    • 2009-02-24
    • Metin BulutPierre JacobsDelphine MinouxNikolai NesterenkoJean-Pierre DathSander Van Donk
    • Metin BulutPierre JacobsDelphine MinouxNikolai NesterenkoJean-Pierre DathSander Van Donk
    • C07C2/00C01B39/38
    • C01B37/005B01J29/40B01J29/42B01J29/48C01B39/02C01B39/38C01P2002/72
    • The present invention provides a method for preparing a metallosilicate of MFI type, wherein organic templates, seeding techniques, using low aliphatic alcohols miscible with water or homogeneous starting solutions are not required.The present invention relates to a process for making a crystalline metallosilicate with high Si/Metal ratio comprising:a) providing an aqueous medium comprising OH− anions and a metal source, b) providing an aqueous medium comprising an inorganic water insoluble source of silicon, c) optionally providing a non aqueous liquid medium comprising optionally an organic source of silica, d) mixing the medium a), b) and the optional c) at conditions effective to crystallize the desired metallosilicate, e) recovering the desired metallosilicate, wherein in the mixture a)+b)+c), before crystallization, the ratio Si org/Si inorganic is
    • 本发明提供了一种制备MFI型金属硅酸盐的方法,其中不需要使用与水混合的低脂肪醇或均相起始溶液的有机模板,接种技术。 本发明涉及一种制备具有高Si ​​/金属比的结晶金属硅酸盐的方法,其包括:a)提供包含OH-阴离子和金属源的水性介质,b)提供包含无机水不溶性硅源的水性介质, c)任选地提供包含任选的二氧化硅有机源的非水液体培养基,d)在有效使结晶期望的金属硅酸盐的条件下混合培养基a),b)和任选的c),e)回收所需的金属硅酸盐,其中 混合物a)+ b)+ c),在结晶之前,Si org / Si无机物的比例<0.3,有利地<0.2,优选为0,OH- / SiO 2的摩尔比为至少0.3,有利地为0.3至0.62, 优选为0.31〜0.61,更优选为0.32〜0.61,非常优选为0.33〜0.6,基本上不存在模板。 在另一个实施方案中,在回收所需的金属硅酸盐之前,插入步骤e),f)和g)步骤:e)将反应混合物a)+ b)+ c)冷却至约室温,f)将反应混合物的pH降低 至少0.1,优选0.3至4,更优选0.5至3,g)使所得到的步骤f)的混合物在有效继续所需金属硅酸盐结晶的条件下进行。
    • 34. 发明授权
    • Process for cracking an olefin-rich hydrocarbon feedstock
    • 裂化烯烃富烃原料的方法
    • US07375257B2
    • 2008-05-20
    • US10398603
    • 2001-10-03
    • Jean-Pierre DathWalter Vermeiren
    • Jean-Pierre DathWalter Vermeiren
    • C07C4/02C10G11/02
    • C10G11/16C10G2400/20
    • A process for cracking an olefin containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or more olefins through a moving bed reactor containing a crystalline silicate catalyst selected from an MFI-type crystalline silicate having a silicon/aluminium atomic ratio of at least 180 and an MEL-type crystalline silicate having a silicon/aluminium atomic ration of from 150 to 800 which has been subjected to a steaming step, at an inlet temperature of from 500 to 600° C., at an olefin partial pressure of from 0.1 to 2 bars and the feedstock being passed over the catalyst at an LHSV of from 5 to 30 h−1 to produce an effluent with an olefin content of lower molecular weight than that of the feedstock, intermittently removing a first fraction of the catalyst from the moving bed reactor, regenerating the first fraction of the catalyst in a regenerator and intermittently feeding into the moving bed reactor a second fraction of the catalyst which has been regenerated in the regenerator, the catalyst regeneration rate being controlled whereby the propylene purity is maintained constant at a value corresponding to the average value observed in a fixed bed reactor using the same feedstock, catalyst and cracking conditions, for example at least 94 wt. %.
    • 一种用于裂解对流出物中的轻质烯烃具有选择性的含烯烃的原料的方法,该方法包括使含有一种或多种烯烃的烃原料通过含有结晶硅酸盐催化剂的移动床反应器,该结晶硅酸盐催化剂选自MFI型结晶硅酸盐, 入口温度为500-600℃的硅/铝原子比至少为180的硅/铝原子比为150〜800的MEL型结晶硅酸盐,其进行了蒸汽工序。 ,烯烃分压为0.1至2巴,原料以5至30小时-1的LHSV通过催化剂以产生具有较低分子量的烯烃含量的流出物 比原料间歇地从移动床反应器中除去催化剂的第一部分,在再生器中再生催化剂的第一馏分并间歇地进料 在移动床反应器中,在再生器中再生的催化剂的第二部分,控制催化剂再生速率,由此丙烯纯度保持恒定在与使用相同原料的固定床反应器中观察到的平均值的值 ,催化剂和裂化条件,例如至少94wt。 %。
    • 37. 发明授权
    • Acid catalyst with a sulfated zirconia base and its uses
    • 具有硫酸化氧化锆基体的酸催化剂及其用途
    • US06448198B1
    • 2002-09-10
    • US09613585
    • 2000-07-10
    • Georges SzaboPedro NascimentoAlain MilanSebastien DeckerJoeri DenayerJean-Pierre Dath
    • Georges SzaboPedro NascimentoAlain MilanSebastien DeckerJoeri DenayerJean-Pierre Dath
    • B01J27053
    • B01J21/066B01J27/053B01J37/0009
    • The invention relates to an acid catalyst containing a substantial quantity of supported or mass sulfated zirconia and at least one hydrogenating transition metal. This catalyst is characterized by the fact that the sulfated zirconia is in crystallized form and that it shows a specific surface area greater than or equal to 135 m2/g, a pore volume greater than or equal to 0.16 cm3/g and an average pore diameter greater than or equal to 20 Angstroms (20×10−10 m). The invention also relates to methods of making this catalyst and to the uses of this catalyst in hydrocarbon transformation chemical reactions requiring the use of an acid type catalyst, such as for example, isomerization, alkylation, oligomerization reactions or even light hydrocarbon dehydration reactions, and also heavier hydrocarbon hydrocracking and hydroisomerization reactions. In a preferred embodiment of the method of the present invention, a hydrated zirconia gel is washed with a soluble polar organic solvent (other than water). In accordance with the method including this washing step, a solid acid catalyst containing pure mass sulfated zirconia in a crystallized form has a surface area greater than or equal to 150 m2/g, a pore volume greater than or equal to 0.2 cm3/g, and more preferably greater than or equal to 0.25 cm3/g, and an average pore diameter greater than or equal to 20 Angstroms (20×10−10 m) and preferably greater than or equal to 30 Angstroms (30×10−10 m).
    • 本发明涉及含有大量负载或大量硫酸化氧化锆和至少一种氢化过渡金属的酸催化剂。 该催化剂的特征在于硫酸化氧化锆是结晶形式,并且其表现出大于或等于135m 2 / g的比表面积,大于或等于0.16cm 3 / g的孔体积和平均孔径 大于或等于20埃(20x10-10米)。 本发明还涉及制备该催化剂的方法以及该催化剂在需要使用酸型催化剂的烃转化化学反应中的用途,例如异构化,烷基化,低聚反应或甚至轻质烃脱水反应,以及 还有较重的烃加氢裂化和加氢异构化反应。 在本发明方法的优选实施方案中,用可溶性极性有机溶剂(水除外)洗涤水合氧化锆凝胶。 根据包括该洗涤步骤的方法,含有结晶形式的纯质量硫酸化氧化锆的固体酸催化剂具有大于或等于150m 2 / g的表面积,大于或等于0.2cm 3 / g的孔体积, 更优选大于或等于0.25cm 3 / g,平均孔径大于或等于20埃(20×10 -10 m),优选大于或等于30埃(30×10 -10 m)。
    • 39. 发明授权
    • Production of polyethylene having a bimodal molecular weight distribution
    • 生产具有双峰分子量分布的聚乙烯
    • US06294500B1
    • 2001-09-25
    • US09432187
    • 1999-11-02
    • Guy DebrasJean-Pierre Dath
    • Guy DebrasJean-Pierre Dath
    • B01J2326
    • C08F10/02C08F210/16Y02P20/52C08F4/24C08F4/025C08F210/14C08F2500/12C08F2500/05C08F2500/07
    • A process for producing high density polyethylene, the process comprising polymerising ethylene, or copolymerising ethylene and an alpha-olefinic comonomer comprising from 3 to 10 carbon atoms, in the presence of a catalyst system comprising first and second chromium-based catalysts, the first chromium-based catalyst having been reduced and reoxidised and the second chromium-based catalysts having been activated, fluoridised before or during the activation step, and reduced, the first and second chromium-based catalysts having a pore volume difference of at least 0.8 cc/g. There is further provided a catalyst system for the production of high density polyethylene by polymerising ethylene or copolymerising ethylene and an alpha-olefinic comonomer comprising from 3 to 10 carbon atoms, the catalyst system comprising first and second chromium-based catalysts, the first chromium-based catalyst having been reduced and reoxidised and the second chromium-based catalyst been activated, fluoridised before or after the activation step, and reduced, and the first and second chromium-based catalysts having a pore volume difference of at least 0.8 cc/g. There is further provided the use of the catalyst system for increasing the biomodality of the molecular weight distribution of a high density polyethylene.
    • 一种生产高密度聚乙烯的方法,该方法包括在包含第一和第二铬基催化剂的催化剂体系存在下聚合乙烯或共聚乙烯和含有3-10个碳原子的α-烯烃共聚单体,第一种铬 的催化剂已经被还原和再氧化,并且第二铬基催化剂已经在活化步骤之前或期间被活化,氟化,并且还原了具有至少0.8cc / g的孔体积差的第一和第二种铬基催化剂 。 还提供了一种用于通过聚合乙烯或共聚乙烯和包含3至10个碳原子的α-烯烃共聚单体生产高密度聚乙烯的催化剂体系,所述催化剂体系包含第一和第二铬基催化剂,第一铬 - 已经还原和再氧化并且第二铬基催化剂在活化步骤之前或之后被活化,氟化,还原,并且第一和第二铬基催化剂的孔体积差异至少为0.8cc / g。 还提供了催化剂体系用于增加高密度聚乙烯的分子量分布的生物学性质的用途。