-
公开(公告)号：US20120171407A1
公开(公告)日：2012-07-05
申请号：US13316783
申请日：2011-12-12
IPC分类号： B32B3/02 , B01J21/10 , B01J27/02 , B01J23/26 , C07C41/01 , B01J23/30 , C07D301/04 , C07C209/00 , C07C29/00 , B01J23/50 , B01J23/28
CPC分类号： B01J35/04 , B01J23/50 , B01J23/688 , B01J35/00 , B01J35/0066 , B01J35/1009 , B01J35/1038 , B01J35/109 , B01J37/0201 , B01J37/024 , C07C29/106 , C07C41/03 , C07C213/04 , C07D301/04 , C07D301/08 , C07C215/08
摘要： A carrier having at least three lobes, a first end, a second end, a wall between the ends and a non-uniform radius of transition at the intersection of an end and the wall is disclosed. A catalyst comprising the carrier, silver and promoters deposited on the carrier and useful for the epoxidation of olefins is also disclosed. A method for making the carrier, a method for making the catalyst and a process for epoxidation of an olefin with the catalyst are also disclosed.
摘要翻译： 公开了一种载体，其具有至少三个叶片，第一端部，第二端部，端部之间的壁和在端部和壁部的交叉点处的不均匀的过渡半径。 还公开了包含载体，银和沉积在载体上并可用于烯烃的环氧化的助催化剂的催化剂。 还公开了制备载体的方法，制备催化剂的方法以及与催化剂烯烃的环氧化方法。
-
42.发明申请公开(公告)号：US20100324326A1
公开(公告)日：2010-12-23
申请号：US12869275
申请日：2010-08-26
IPC分类号： C07C253/18 , C07C51/25 , C07C51/215 , C07C253/00
CPC分类号： B01J35/002 , B01J23/002 , B01J23/28 , B01J27/0576 , B01J37/08 , B01J2523/00 , C07C51/215 , C07C51/252 , C07D301/08 , C07C57/04 , B01J2523/55 , B01J2523/56 , B01J2523/64 , B01J2523/68 , B01J2523/53
摘要： A catalyst for the oxidation of an alkane, alkene or mixtures thereof. The catalyst includes a mixed-metal oxide having the formula MoaVbNbcTedSbeOf wherein, when a=1, b=0.01 to 1.0, c=0.01 to 1.0, d=0.01 to 1.0, e=0.01 to 1.0, and f is dependent upon the oxidation state of the other elements, the catalyst further characterized by having at least two crystal phases, the first crystal phase being an orthorhombic M1 phase and the second crystal phase being a pseudo-hexagonal M2 phase, the orthorhombic M1 phase present in an amount between greater than 60 weight percent to less than 90 weight percent. The catalysts disclosed herein exhibit a chemisorption of NH3 of less than about 0.2 mmole per gram of metal oxide.
摘要翻译： 用于氧化烷烃，烯烃或其混合物的催化剂。 催化剂包括具有式MoaVbNbcTedSbeOf的混合金属氧化物，其中当a = 1时，b = 0.01至1.0，c = 0.01至1.0，d = 0.01至1.0，e = 0.01至1.0，f取决于氧化 其他元素的状态，催化剂的特征还在于具有至少两个结晶相，第一晶相是正交的M 1相，第二晶相是拟六方晶系的M 2相，正交晶相M1相位存在于较大的 超过60重量％至小于90重量％。 本文公开的催化剂表现出每克金属氧化物小于约0.2毫摩尔的NH 3的化学吸附。
-
43.发明申请公开(公告)号：US20100263535A1
公开(公告)日：2010-10-21
申请号：US12678263
申请日：2008-11-12
申请人： Harvey E. Andresen , Christopher P. Christenson , Charles W. Lipp , John R. Mayer , Thomas J. Kling , Victor R. Fey , Laurence G. Britton , Michael J. Rangitsch , Michael L. Hutchison
发明人： Harvey E. Andresen , Christopher P. Christenson , Charles W. Lipp , John R. Mayer , Thomas J. Kling , Victor R. Fey , Laurence G. Britton , Michael J. Rangitsch , Michael L. Hutchison
CPC分类号： C07D301/08
摘要： A method of mixing an oxygen gas with a hydrocarbon-containing gas includes the steps of wet scrubbing the oxygen gas in a wet scrubber, supplying oxygen gas from the wet scrubber to a gas mixer and mixing the oxygen gas with the hydrocarbon-containing gas in the gas mixer. Wet scrubbers for use in the method may take various forms, including packed-tower, bubble cap, and sparger-type wet scrubbers. The removal of the particulate matter reduces the risk of ignition of the hydrocarbon-containing gas in the gas mixer. The use of a wet scrubber in the oxygen supply line overcomes many problems currently faced with screen and filters, as per current practice.
摘要翻译： 将氧气与含烃气体混合的方法包括以下步骤：湿法洗涤湿式洗涤器中的氧气，将氧气从湿式洗涤器供应到气体混合器，并将氧气与含烃气体混合 气体混合器。 用于该方法的湿式洗涤器可以采取各种形式，包括填充塔，气泡盖和喷射式湿式洗涤器。 颗粒物的去除降低了气体混合器中含烃气体的点燃风险。 在氧气供应管线中使用湿式洗涤器克服了当前实践中目前面对的屏幕和过滤器的许多问题。
-
公开(公告)号：US07767835B2
公开(公告)日：2010-08-03
申请号：US12317012
申请日：2008-12-18
申请人： Roger A. Grey
发明人： Roger A. Grey
IPC分类号： C07D301/06
CPC分类号： C07D301/04 , B01J21/06 , B01J21/063 , B01J23/628 , B01J29/076 , B01J29/89 , B01J35/0006 , B01J37/0201 , B01J37/08 , B01J37/18 , C07D301/06 , C07D301/08 , Y02P20/588
摘要： A supported catalyst and a catalyst mixture, useful for the direct epoxidation of olefins, are disclosed. The supported catalyst comprises a noble metal, lead, and a carrier that has been treated by contacting with nitric acid. The catalyst mixture comprises a titanium or vanadium zeolite and the supported catalyst. The invention also includes a process for producing an epoxide comprising reacting an olefin, hydrogen and oxygen in the presence of the catalyst mixture. The process results in significantly reduced alkane byproduct formed by the hydrogenation of olefin.
-
45.发明授权公开(公告)号：US07704908B2
公开(公告)日：2010-04-27
申请号：US11613862
申请日：2006-12-20
IPC分类号： B01J38/48
CPC分类号： C07D301/08 , C07D301/10 , C07D301/22 , C07D301/36
摘要： A method for reusing rhenium from a donor spent epoxidation catalyst, the method comprising: providing a donor comprising spent epoxidation catalyst comprising rhenium, the donor having a cumulative alkylene oxide production of 0.16 kT/m3 of the spent epoxidation catalyst or more; contacting the donor with an aqueous liquid to produce rhenium-depleted donor and aqueous extract comprising extracted rhenium; separating the aqueous extract and the rhenium-depleted donor; and, using the extracted rhenium as a source of rhenium in a subsequent process.
摘要翻译： 一种用于从施主耗尽的环氧化催化剂重新使用铼的方法，所述方法包括：提供包含铼的废环氧化催化剂的供体，所述供体具有0.16kT / m 3的废环氧化催化剂或更多的累积环氧烷产生量; 使供体与含水液体接触以产生铼耗尽的供体和包含萃取的铼的含水萃取物; 分离水提取物和铼耗尽的供体; 并且在随后的方法中使用提取的铼作为铼源。
-
46.发明申请公开(公告)号：US20090227820A1
公开(公告)日：2009-09-10
申请号：US12045251
申请日：2008-03-10
申请人： Serguei Pak , Andrzej Rokicki , Howard Sachs
发明人： Serguei Pak , Andrzej Rokicki , Howard Sachs
CPC分类号： C07D301/08 , B01J23/50 , B01J23/66 , B01J23/683 , B01J23/688 , B01J35/023 , B01J35/026 , B01J35/1009 , B01J35/1038 , B01J35/1042 , B01J37/0201 , B01J37/0207
摘要： A geometrically shaped solid carrier is provided that improves the performance and effectiveness of an olefin epoxidation catalyst for epoxidizing an olefin to an olefin oxide. In particular, improved performance and effectiveness of an olefin epoxidation catalyst is achieved by utilizing a geometrically shaped refractory solid carrier in which at least one wall thickness of said carrier is less than 2.5 mm.
摘要翻译： 提供几何形状的固体载体，其改进了将烯烃环氧化成烯烃氧化物的烯烃环氧化催化剂的性能和有效性。 特别地，通过利用其中所述载体的至少一个壁厚小于2.5mm的几何形状的耐火固体载体来实现烯烃环氧化催化剂的改进的性能和有效性。
-
公开(公告)号：US07569710B1
公开(公告)日：2009-08-04
申请号：US12070992
申请日：2008-02-23
申请人： Brian Ozero
发明人： Brian Ozero
IPC分类号： C07D301/32 , C07D301/08 , C07C29/10
CPC分类号： C07C29/106 , C07D301/08 , C07D301/32 , Y02P20/582 , C07C31/202
摘要： An improved process for the recovery of a high-purity, ethylene oxide-water stream for use as feed to integrated ethylene glycol or ethylene oxide purification reactors by first contacting the gaseous effluent from ethylene oxide reactors with an aqueous alkaline quench solution water wash, then absorbing ethylene oxide from the washed vapor into process water to produce a dilute EO-water absorbate of which 10-90% is sent directly to the EO reabsorber/residual absorber, thereby bypassing the EO stripper.
摘要翻译： 一种用于回收高纯度环氧乙烷 - 水流的改进方法，用于通过首先使环氧乙烷反应器的气态流出物与碱性骤冷溶液水洗液接触，用于整合的乙二醇或环氧乙烷净化反应器的进料，然后 将环氧乙烷从洗涤的蒸汽中吸收到工艺水中，以产生稀释的EO-水吸收剂，其中10-90％直接发送到EO再吸收器/残余吸收器，从而绕过EO汽提器。
-
公开(公告)号：US07553795B2
公开(公告)日：2009-06-30
申请号：US11386028
申请日：2006-03-21
申请人： Arie Bortinger , Andrew D. Schmitz
发明人： Arie Bortinger , Andrew D. Schmitz
IPC分类号： B01J23/50 , C07D301/10
CPC分类号： C07D301/08 , B01J23/688 , B01J35/1009 , B01J35/1038 , B01J37/0203 , B01J37/0213 , B01J37/10 , C07D301/10
摘要： The invention describes a process for producing a catalyst useful for the epoxidation of an olefin. More particularly, the invention pertains to a catalyst useful for the oxidation of ethylene to ethylene oxide. The catalyst comprises a solid support such as alpha-alumina, which has a catalytically effective amount of silver or a silver-containing compound, and a promoting amount of rhenium or a rhenium-containing compound, and a promoting amount of one or more alkali metals or alkali metal-containing compounds on the surface of the support. To produce a catalyst precursor. The catalyst precursor is contacted with an atmosphere comprising oxygen and steam, which atmosphere is substantially absent of an olefin, to hasten the attainment of peak selectivity in the process of oxidation of ethylene to ethylene oxide.
摘要翻译： 本发明描述了一种制备可用于烯烃环氧化的催化剂的方法。 更具体地，本发明涉及可用于将乙烯氧化成环氧乙烷的催化剂。 催化剂包括固体载体如α-氧化铝，其具有催化有效量的银或含银化合物，并且促进量的铼或含铼化合物和促进量的一种或多种碱金属 或载体表面的含碱金属的化合物。 制备催化剂前体。 催化剂前体与包含氧气和蒸汽的气氛接触，该气氛基本上不含烯烃，以加快在乙烯氧化成环氧乙烷的过程中达到峰值选择性。
-
公开(公告)号：US07470801B1
公开(公告)日：2008-12-30
申请号：US11977359
申请日：2007-10-24
申请人： Roger A. Grey
发明人： Roger A. Grey
IPC分类号： C07D301/06
CPC分类号： C07D301/06 , C07D301/08
摘要： Catalyst mixtures useful for the direct epoxidation of olefins are disclosed. The catalyst mixture comprises a titanium or vanadium zeolite and a supported catalyst comprising a noble metal, bismuth, and a carrier. The invention includes a process for producing an epoxide comprising reacting an olefin, hydrogen and oxygen in the presence of the catalyst mixture. The process results in significantly reduced alkane byproduct formed by the hydrogenation of olefin.
摘要翻译： 公开了用于烯烃的直接环氧化的催化剂混合物。 催化剂混合物包含钛或钒沸石和包含贵金属，铋和载体的载体催化剂。 本发明包括一种生产环氧化物的方法，包括在催化剂混合物存在下使烯烃，氢和氧反应。 该方法可显着减少由烯烃氢化形成的烷烃副产物。
-
公开(公告)号：US20070173655A1
公开(公告)日：2007-07-26
申请号：US11338999
申请日：2006-01-25
申请人： Roger Grey
发明人： Roger Grey
IPC分类号： C07D301/06 , C07C27/00
CPC分类号： C07C29/50 , B01J23/6484 , B01J29/89 , B01J2229/186 , B01J2229/20 , C07C29/48 , C07C45/33 , C07D301/04 , C07D301/06 , C07D301/08 , C07D301/12 , C07C49/08 , C07C31/10 , C07C31/205
摘要： A process is disclosed for reacting an olefin, hydrogen, and oxygen in a reactor in the presence of an epoxidation catalyst comprising a transition metal zeolite and a noble metal to produce a product stream comprising an epoxide and an alkane. The alkane is separated and oxidized to at least one oxygenated product.
摘要翻译： 公开了一种在包含过渡金属沸石和贵金属的环氧化催化剂存在下在反应器中使烯烃，氢和氧反应的方法，以产生包含环氧化物和烷烃的产物流。 将烷烃分离并氧化成至少一种含氧产物。
-
-
-
-
-
-
-
-
-
搜索结果
215 条记录 (耗时 0.027 秒)