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公开(公告)号：US07790021B2
公开(公告)日：2010-09-07
申请号：US11851819
申请日：2007-09-07
IPC分类号： C10G19/02
CPC分类号： C10L1/08 , C10G2400/04
摘要： An improved method for desulfurizing a fuel stream such as a diesel stream is disclosed which includes generation of a sulfone oil, the desulfurization of the sulfone oil and the recycling of the resulting biphenyl-rich stream and ultra-low sulfur diesel streams. The method includes combining a thiophene-rich diesel stream with an oxidant to oxidize the thiophenes to sulfones to provide a sulfone-rich diesel stream. Sulfone oil is extracted from the sulfone-rich diesel stream to provide sulfone oil and a first low-sulfur diesel stream The low-sulfur diesel stream is recycled. The sulfone-rich oil stream is combined with an aqueous oxidant-containing stream, such as caustic stream, which oxidizes the sulfones to biphenyls and forms sulfite to provide a second low-sulfur diesel stream.
摘要翻译： 公开了一种用于柴油流的燃料流的脱硫改进方法，其包括生成砜油，砜砜的脱硫和所得到的富联苯和超低硫柴油流的再循环。 该方法包括将富含噻吩的柴油流与氧化剂混合以将噻吩氧化成砜，以提供富含砜的柴油流。 从富砜的柴油流中提取砜油以提供砜油和第一低硫柴油流低硫柴油流被回收利用。 将富砜的油流与含氧化剂的物流如苛性碱流合并，其将砜氧化成联苯并形成亚硫酸盐以提供第二低硫柴油流。
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公开(公告)号：US20090065399A1
公开(公告)日：2009-03-12
申请号：US11851819
申请日：2007-09-07
IPC分类号： C10G19/02
CPC分类号： C10L1/08 , C10G2400/04
摘要： An improved method for desulfurizing a fuel stream such as a diesel stream is disclosed which includes generation of a sulfone oil, the desulfurization of the sulfone oil and the recycling of the resulting biphenyl-rich stream and ultra-low sulfur diesel streams. The method includes combining a thiophene-rich diesel stream with an oxidant to oxidize the thiophenes to sulfones to provide a sulfone-rich diesel stream. Sulfone oil is extracted from the sulfone-rich diesel stream to provide sulfone oil and a first low-sulfur diesel stream The low-sulfur diesel stream is recycled. The sulfone-rich oil stream is combined with an aqueous oxidant-containing stream, such as caustic stream, which oxidizes the sulfones to biphenyls and forms sulfite to provide a second low-sulfur diesel stream
摘要翻译： 公开了一种用于柴油流的燃料流的脱硫改进方法，其包括生成砜油，砜砜的脱硫和所得到的富联苯和超低硫柴油流的再循环。 该方法包括将富含噻吩的柴油流与氧化剂混合以将噻吩氧化成砜，以提供富含砜的柴油流。 从富砜的柴油流中提取砜油以提供砜油和第一低硫柴油流低硫柴油流被回收利用。 富含砜的油流与含氧化剂的物流如苛性碱流合并，其将砜氧化成联苯并形成亚硫酸盐以提供第二低硫柴油流
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公开(公告)号：US06177381B1
公开(公告)日：2001-01-23
申请号：US09185189
申请日：1998-11-03
申请人： Robert H Jensen , Jeffrey C. Bricker , Qianjun Chen , Masaru Tatsushima , Kenji Kikuchi , Masao Takayama , Koji Hara , Isao Tsunokuma , Hiroyuki Serizawa
发明人： Robert H Jensen , Jeffrey C. Bricker , Qianjun Chen , Masaru Tatsushima , Kenji Kikuchi , Masao Takayama , Koji Hara , Isao Tsunokuma , Hiroyuki Serizawa
IPC分类号： B01J2300
CPC分类号： B01J23/626 , B01J23/40 , B01J29/06 , B01J29/7007 , B01J37/0219 , B01J37/0242 , B01J37/0246 , Y10T428/2991 , Y10T428/2993
摘要： This invention relates to a layered catalyst composition, a process for preparing the composition and processes for using the composition. The catalyst composition comprises an inner core such as alpha-alumina, and an outer layer bonded to the inner core composed of an outer refractory inorganic oxide such as gamma-alumina. The outer layer has uniformly dispersed thereon a platinum group metal such as platinum and a promoter metal such as tin. The composition also contains a modifier metal such as lithium. The catalyst composition shows improved durability and selectivity for dehydrogenating hydrocarbons.
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公开(公告)号：US06359179B1
公开(公告)日：2002-03-19
申请号：US09470631
申请日：1999-12-22
IPC分类号： C07C4549
CPC分类号： C07C45/49 , C07C51/10 , C07C53/128
摘要： A process for the direct carbonylation of saturated hydrocarbons has been developed. The process involves contacting the saturated hydrocarbons, which contain at least one primary, secondary or tertiary carbon atom, with carbon monoxide in the presence of a solid strong acid catalyst to produce an oxygenated saturated hydrocarbon. In a specific embodiment isobutane is reacted with carbon monoxide using sulfated zirconia as the catalyst to produce methylisopropyl ketone. The oxygenated hydrocarbon can subsequently be hydrogenated to give a reduced oxygenated saturated hydrocarbon. The hydrogenation can also be done simultaneously with the carbonylation, i.e., reductive carbonylation.
摘要翻译： 已经开发了直接羰基化饱和烃的方法。 该方法包括在固体强酸催化剂存在下将含有至少一个伯，仲或叔碳原子的饱和烃与一氧化碳接触以产生含氧饱和烃。 在一个具体实施方案中，使用硫酸化氧化锆作为催化剂使异丁烷与一氧化碳反应，生成甲基异丙基酮。 随后将氧化烃氢化得到还原的氧化饱和烃。 氢化还可以与羰基化同时进行，即还原羰基化。
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公开(公告)号：US5440034A
公开(公告)日：1995-08-08
申请号：US174093
申请日：1993-12-28
IPC分类号： C07D295/023 , C07D223/04
CPC分类号： C07D295/023
摘要： Propylamines are dehydrocyclized by non-acidic molecular sieves containing a Group VIII zerovalent metal to afford azacycloheptanes with good selectivity. The molecular sieves show less than 5% activity in a standard heptene-1 isomerization test. Performing the reaction in the presence of hydrogen and/or ammonia often is beneficial.
摘要翻译： 丙胺通过含有VIII族零价金属的非酸性分子筛脱氢环化，得到具有良好选择性的氮杂环庚烷。 分子筛在标准庚烯-1异构化试验中显示出小于5％的活性。 在氢气和/或氨存在下进行反应往往是有益的。
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