-
公开(公告)号：US07348293B2
公开(公告)日：2008-03-25
申请号：US10728641
申请日：2003-12-05
申请人： Hye Kyung C. Timken
发明人： Hye Kyung C. Timken
CPC分类号： B01J23/40 , B01J21/12 , B01J23/74 , B01J23/745 , B01J23/75 , B01J35/002 , B01J35/1019 , B01J35/1038 , B01J35/1042 , B01J37/0045 , B01J37/036 , C01F7/02 , C01F7/34 , C01P2002/72 , C01P2006/12 , C01P2006/14 , C10G2/33 , C10G2/332
摘要： A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broader line width and lower intensity than is exhibited by the base-metal oxide is disclosed. More specifically, a homogeneous, amorphous silica-modified-alumina catalyst support useful in the Fischer-Tropsch process is disclosed. A silica-modified-Alumina catalyst support of the present invention maintains the desirable properties of alumina and exhibits higher resistance to acid than unmodified alumina.
摘要翻译： 包含改性金属氧化物和贱金属氧化物的均匀的无定形催化剂载体，所述催化剂载体具有约0.6至约1.3的表面与体系改性金属/碱金属原子比，并显示X射线 公开了具有比基础金属氧化物显示的更宽的线宽度和更低的强度的衍射。 更具体地，公开了一种用于费 - 托方法的均匀的无定形二氧化硅改性氧化铝催化剂载体。 本发明的二氧化硅改性氧化铝催化剂载体保持氧化铝的期望性能，并且比未改性的氧化铝显示出更高的耐酸性。
-
公开(公告)号：US07173160B2
公开(公告)日：2007-02-06
申请号：US10622185
申请日：2003-07-16
申请人： Theo Maesen , Robert M. Carlson , Jeremy E. Dahl , Shenggao Liu , Hye Kyung C. Timken , Waqar R. Qureshi
发明人： Theo Maesen , Robert M. Carlson , Jeremy E. Dahl , Shenggao Liu , Hye Kyung C. Timken , Waqar R. Qureshi
CPC分类号： C10G49/00 , C07C7/163 , C10G45/10 , C10G45/40 , C10G45/52 , C10G47/00 , C10G47/14 , C10G65/12
摘要： Hydroprocessing such as hydrocracking is advantageously employed in processes for the recovery and purification of higher diamondoids from petroleum feedstocks. Hydrocracking and other hydroprocesses degrade nondiamondoid contaminants.
摘要翻译： 加氢处理如加氢裂化有利地用于从石油原料中回收和纯化较高级的金刚石。 加氢裂化和其他加氢处理会降低非偶联物污染物。
-
23.发明授权Method for preparing a highly homogeneous amorphous silica-alumina composition 失效制备高均匀无定形二氧化硅 - 氧化铝组合物的方法公开(公告)号：US06872685B2
公开(公告)日：2005-03-29
申请号：US10291114
申请日：2002-11-08
申请人： Hye Kyung C. Timken
发明人： Hye Kyung C. Timken
IPC分类号： B01J21/12 , B01J23/888 , B01J35/10 , B01J37/03 , B01J21/00
CPC分类号： B01J23/888 , B01J21/12 , B01J35/1019 , B01J35/1042 , B01J35/1061 , B01J37/036
摘要： Improved silica-alumina catalyst compositions are methods for preparing such catalyst compositions are disclosed. The present invention relates to a method for preparing a highly homogeneous, amorphous silica-alumina cogel catalyst. Silica-alumina according to the present invention may be prepared by a variety of methods employing batch and continuous processes in different combinations. In one embodiment, a batch process, the present invention provides a method for preparing a highly homogenous silica-alumina cogel catalyst comprising: vigorously mixing an aqueous silicate solution with a gradual addition of an aqueous solution of an acid aluminum salt while maintaining the pH of the solution less than 3.0 and ensuring vigorous and complete mixing of the aluminum salt and silicate solutions to form an acidified silica sol in the aluminum salt solution; gradually adding a basic precipitant to the acidified silica sol/aluminum salt solution while vigorously mixing the solution to raise the pH of the cogel solution to greater than 3.0, producing a cogel; continuing the addition of basic precipitant and vigorous mixing of the cogel solution while maintaining a uniform pH of the cogel solution in the range of from 5-9 until precipitation of the cogel is complete; washing the precipitated cogel; and processing the precipitated cogel into a finished catalyst.
摘要翻译： 改进的二氧化硅 - 氧化铝催化剂组合物是公开的制备这种催化剂组合物的方法。 本发明涉及一种制备高度均匀的无定形二氧化硅 - 氧化铝凝胶催化剂的方法。 根据本发明的二氧化硅 - 氧化铝可以通过使用不同组合的间歇和连续方法的各种方法制备。 在一个实施方案中，分批方法，本发明提供了制备高度均匀的二氧化硅 - 氧化铝共凝胶催化剂的方法，包括：将硅酸水溶液剧烈混合，逐渐加入酸性铝盐水溶液，同时保持pH 溶液小于3.0，确保铝盐和硅酸盐溶液的剧烈和完全混合，在铝盐溶液中形成酸化硅溶胶; 在酸化二氧化硅溶胶/铝盐溶液中逐渐加入碱性沉淀剂，同时剧烈混合溶液，使凝胶溶液的pH升高至3.0以上，生成共凝胶; 继续加入共聚物溶液的碱性沉淀和剧烈混合，同时保持共聚物溶液的均匀pH在5-9范围内直至凝胶凝胶完全沉淀; 洗涤沉淀的凝胶; 并将沉淀的共凝胶加工成成品催化剂。
-
公开(公告)号：US5865986A
公开(公告)日：1999-02-02
申请号：US552769
申请日：1995-11-03
申请人： John Scott Buchanan , Jane C. Cheng , David G. Freyman , Werner Otto Haag , Mohsen N. Harandi , Dominick N. Mazzone , Roger A. Morrison , Norman J. Rouleau , Charles M. Sorensen , Hye Kyung C. Timken , Robert Adams Ware
发明人： John Scott Buchanan , Jane C. Cheng , David G. Freyman , Werner Otto Haag , Mohsen N. Harandi , Dominick N. Mazzone , Roger A. Morrison , Norman J. Rouleau , Charles M. Sorensen , Hye Kyung C. Timken , Robert Adams Ware
摘要： This is a process for upgrading a petroleum naphtha fraction. The naphtha is subjected to reforming and the reformate is cascaded to a benzene and toluene synthesis zone over a benzene and toluene synthesis catalyst comprising a molecular sieve of low acid activity. The preferred molecular sieve is steamed ZSM-5. The benzene and toluene synthesis zone is operated under conditions compatible with the conditions of the reformer such as pressures of above about 50 psig (446 kPa) and temperatures above about 800.degree. F. (427.degree. C). In one aspect of the invention, the benzene and toluene synthesis catalyst includes a metal hydrogenation component such as cobalt, nickel, platinum or palladium. In one mode of operation, the benzene and toluene synthesis catalyst replaces at least a portion of the catalyst of the reformer. The process produces a product containing an increased proportion of benzene and toluene, and a reduced proportion of C8 aromatics, particularly ethylbenzenes, as compared to the reformate.
摘要翻译： 这是一种升级石脑油馏分的方法。 将石脑油进行重整，重整产物通过苯和甲苯合成催化剂层叠到苯和甲苯合成区，该催化剂包含低酸活性的分子筛。 优选的分子筛蒸ZSM-5。 苯和甲苯合成区在与重整器的条件相适应的条件下操作，例如高于约50psig（446kPa）的压力和高于约800°F（427℃）的温度。 在本发明的一个方面，苯和甲苯合成催化剂包括金属氢化组分如钴，镍，铂或钯。 在一种操作模式中，苯和甲苯合成催化剂代替重整器的至少一部分催化剂。 与重整产物相比，该方法产生含有苯和甲苯的比例增加的产物，以及与芳族化合物（特别是乙基苯）相比减少的比例。
-
公开(公告)号：US5643441A
公开(公告)日：1997-07-01
申请号：US427512
申请日：1995-04-24
IPC分类号： C10G35/095 , C10G69/08 , C10G69/02
CPC分类号： C10G35/095 , C10G69/08
摘要： Low sulfur gasoline of relatively high octane number is produced from a thermally cracked sulfur-containing naphtha such as coker naphtha, by hydrodesulfurization followed by treatment over an acidic catalyst, preferably a zeolite such as ZSM-5 or zeolite beta with a hydrogenation component, preferably molybdenum. The treatment over the acidic catalyst in the second step restores the octane loss which takes place as a result of the hydrogenative treatment and results in a low sulfur gasoline product
摘要翻译： 相对高辛烷值的低硫汽油由热裂解的含硫石脑油如焦化石脑油产生，通过加氢脱硫，随后通过酸性催化剂，优选沸石如ZSM-5或沸石β与氢化组分进行处理 钼。 在第二步中对酸性催化剂的处理恢复了由于氢化处理而发生的辛烷值损失，并导致低硫汽油产物
-
公开(公告)号：US5411658A
公开(公告)日：1995-05-02
申请号：US133403
申请日：1993-10-08
IPC分类号： B01J29/74 , C10G35/095 , C10G45/08 , C10G69/08 , C10G69/02
CPC分类号： C10G35/095 , C10G69/08
摘要： Low sulfur gasoline of relatively high octane number is produced from a cracked, sulfur-containing olefinic naphthas by hydrodesulfurization followed by treatment over an acidic catalyst comprising zeolite beta with a metal hydrogenation component, preferably a mild hydrogenation component such as molybdenum. The treatment over the acidic catalyst in the second step restores the octane loss which takes place as a result of the hydrogenative treatment and results in a low sulfur gasoline product with an octane number comparable to that of the feed naphtha. In favorable cases, using feeds of extended end point such as heavy naphthas with 95 percent points above about 380.degree. F. (about 193.degree. C.), improvements in both product octane and yield relative to the feed may be obtained.
摘要翻译： 相对高辛烷值的低硫汽油通过加氢脱硫然后在含有沸石β的酸性催化剂上用金属氢化组分，优选轻度加氢组分如钼来处理，由裂化的含硫烯烃石脑油生产。 在第二步骤中对酸性催化剂的处理恢复了由于氢化处理而发生的辛烷值损失，并导致具有与进料石脑油相当的辛烷值的低硫汽油产物。 在有利的情况下，使用延伸终点的原料如重质石脑油，高于约380°F（约193℃）为95％，可以获得相对于进料的产品辛烷值和产率的改善。
-
公开(公告)号：US5405814A
公开(公告)日：1995-04-11
申请号：US72379
申请日：1993-06-07
CPC分类号： C07C41/05 , C07C41/09 , Y02P20/584
摘要： An olefin hydration catalyst is regenerated with a non-oxidizing light gas, such as hydrogen. Light olefins, especially propylene, are converted to a mixture of alcohol(s), such as isopropanol (IPA) and ether(s), such as diisopropylether (DIPE) by contacting a feed containing the olefin with water and/or alcohol with the olefin hydration catalyst. Regeneration conditions include temperatures of from about 150.degree. C. to about 550.degree. C., pressures below about 1000 psig (6900 kPa). Lower pressures of regeneration unexpectedly demonstrated more effective catalyst regeneration through greater coke removal.
摘要翻译： 烯烃水合催化剂用非氧化性轻质气体如氢气再生。 通过使含有烯烃的进料与水和/或醇接触，将轻质烯烃，特别是丙烯转化成醇，如异丙醇（IPA）和醚，如二异丙基醚（DIPE））的混合物， 烯烃水合催化剂。 再生条件包括约150℃至约550℃的温度，低于约1000psig（6900kPa）的压力。 更低的再生压力意外地通过更大的焦炭去除表明更有效的催化剂再生。
-
-
-
-
-
-
搜索结果
27 条记录 (耗时 0.033 秒)
