公开(公告)号：US06171478B2

公开(公告)日：2001-01-09

申请号：US09365476

申请日：1999-08-02

申请人： Carlos A. Cabrera ,  Tamotsu Imai

发明人： Carlos A. Cabrera ,  Tamotsu Imai

IPC分类号： C10G1700

CPC分类号： C10G67/14 ,  C10G67/12

摘要： A process for the desulfurization of hydrocarbonaceous oil wherein the hydrocarbonaceous oil is contacted with a hydrodesulfurization catalyst in a hydrodesulfurization reaction zone to reduce the sulfur level to a relatively low level and then contacting the resulting hydrocarbonaceous stream from the hydrodesulfurization zone with an oxidizing agent to convert the residual, low level of sulfur compounds into sulfur-oxidated compounds. The resulting hydrocarbonaceous oil stream containing the sulfur-oxidated compounds is separated after decomposing any residual oxidizing agent to produce a stream containing the sulfur-oxidated compounds and a hydrocarbonaceous oil stream having a reduced concentration of sulfur-oxidated compounds.

摘要翻译： 烃类油的脱硫方法，其中烃类油与加氢脱硫反应区中的加氢脱硫催化剂接触，以将硫含量降低到相对较低的水平，然后使得到的来自加氢脱硫区的烃流与氧化剂接触以转化 残留，低水平的硫化合物变成硫氧化化合物。 在分解任何残留的氧化剂之后，分离含有硫氧化化合物的所得烃油流，以产生含有硫氧化化合物的流和具有降低的硫氧化化合物浓度的烃油流。

公开(公告)号：US5491275A

公开(公告)日：1996-02-13

申请号：US299874

申请日：1994-09-01

申请人： Bipin V. Vora ,  Tamotsu Imai

发明人： Bipin V. Vora ,  Tamotsu Imai

IPC分类号： C07C5/32 ,  C07C5/333

CPC分类号： C07C5/333 ,  C07C5/321

摘要： An improved process for the catalytic dehydrogenation of paraffinic hydrocarbons is disclosed. Feed paraffinic hydrocarbons are dehydrogenated by means of contacting the dehydrogenatable hydrocarbon with a dehydrogenation catalyst in a first dehydrogenation zone wherein the endothermic dehydrogenation reaction reduces the temperature of the resulting hydrocarbon stream containing dehydrogenated hydrocarbon compounds. The resulting effluent from the first dehydrogenation zone is then contacted with a hot hydrogen-rich gaseous stream having a temperature greater than the hydrocarbon stream to increase the temperature of the hydrocarbon stream and then introducing the resulting heated stream into a second dehydrogenation zone to produce additional dehydrogenated hydrocarbon compounds.

摘要翻译： 公开了一种用于链烷烃的催化脱氢的改进方法。 通过在第一脱氢区中使可脱氢烃与脱氢催化剂接触来进料链烷烃脱氢，其中吸热脱氢反应降低了所得含有脱氢烃化合物的烃流的温度。 然后将来自第一脱氢区的所得流出物与具有大于烃流的温度的热富氢气流接触以提高烃流的温度，然后将所得加热的流引入第二脱氢区以产生额外的 脱氢烃化合物。

公开(公告)号：US5338889A

公开(公告)日：1994-08-16

申请号：US998169

申请日：1992-12-29

申请人： Bipin V. Vora ,  Tamotsu Imai ,  Peter J. Pujado

发明人： Bipin V. Vora ,  Tamotsu Imai ,  Peter J. Pujado

IPC分类号： C07C41/06

CPC分类号： C07C41/06

摘要： A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses an adsorptive separation zone for olefin and paraffin separation upstream of the MTBE unit to reduce olefin losses associated with the rejection of butanes. The location of the MTBE unit downstream of the adsorptive separation zone facilitates the essentially complete removal of isobutane from the process. Supplemental rejection of isobutane downstream of the adsorptive separation permits the use of low purity adsorptive separation zone and also allows the recovery of a high purity butene-1 product.

摘要翻译： 醚化过程和线性烯烃异构化为异烯烃的方法的组合使用MTBE单元上游的烯烃和链烷烃分离吸附分离区，以减少与异丁烷排斥相关的烯烃损失。 在吸附分离区下游的MTBE单元的位置有助于从该方法基本上完全除去异丁烷。 在吸附分离下游的异丁烷的补充排除允许使用低纯度吸附分离区，并且还允许回收高纯度的丁烯-1产物。

公开(公告)号：US5169812A

公开(公告)日：1992-12-08

申请号：US760294

申请日：1991-09-16

申请人： Joseph A. Kocal ,  Tamotsu Imai ,  Paul J. Kuchar ,  Christopher D. Gosling

发明人： Joseph A. Kocal ,  Tamotsu Imai ,  Paul J. Kuchar ,  Christopher D. Gosling

IPC分类号： B01J29/40 ,  C07C2/00

CPC分类号： B01J29/40 ,  C07C2/00 ,  B01J2229/26 ,  B01J2229/36 ,  B01J2229/42 ,  C07C2527/167 ,  C07C2529/04

摘要： A catalyst for converting C.sub.2 to C.sub.6 aliphatic hydrocarbons to aromatics is described. The catalyst contains a zeolite, an aluminum phosphate binder and a gallium component. Examples of zeolites which can be used are the ZSM family of zeolites, with ZSM-5 being a specific example. The catalyst is characterized in that it is tolerant to exposure to hydrogen at tempertures of about 500.degree. to about 700.degree. C. The catalyst's tolerance to hydrogen exposure is the result of treating the catalyst with an aqueous solution of a weakly acidic ammonium salt or a dilute acid solution at a temperature of about 50.degree. to about 100.degree. C. for a time of about 1 to about 48 hours, followed by calcination. A process for preparing the catalyst is also described.

摘要翻译： 描述了将C2转化为C6脂族烃到芳族化合物的催化剂。 催化剂含有沸石，磷酸铝粘合剂和镓成分。 可以使用的沸石的实例是沸石的ZSM族，ZSM-5是具体的实例。 该催化剂的特征在于它在约500℃至约700℃的温度下耐受暴露于氢气。催化剂对暴露于氢的耐受性是用弱酸性铵盐或 稀酸溶液在约50℃至约100℃的温度下搅拌约1至约48小时，然后煅烧。 还描述了制备催化剂的方法。

公开(公告)号：US5012027A

公开(公告)日：1991-04-30

申请号：US435150

申请日：1989-11-09

申请人： Hayim Abrevaya ,  Tamotsu Imai

发明人： Hayim Abrevaya ,  Tamotsu Imai

IPC分类号： B01J23/62 ,  B01J23/656 ,  B01J35/00 ,  C10G45/00

CPC分类号： B01J23/622 ,  B01J23/6567 ,  B01J35/0006 ,  C10G45/00 ,  Y10S502/514 ,  Y10S502/523

摘要： A novel catalytic composite and a process for its use is disclosed. The catalyst composite comprises a first component selected from Group IA and Group IIA elements of the Periodic Table of the Elements, a second component selected from iridium, and osmium, or mixtures thereof, a third component selected from the elements of Group IVA of the Periodic Table of the Elements, platinum, and a support having a nominal dimension (d) of from 50 to 10,000 microns. The catalytic composite is characterized in that both the second component and platinum are surface-impregnated upon the support, with the concentration gradient of the second component being steeper than that of platinum. The second component is eggshell surface-impregnated.

摘要翻译： 公开了一种新颖的催化复合材料及其使用方法。 催化剂复合材料包括选自元素周期表的IA族和IIA族元素的第一组分，选自铱和锇的第二组分或其混合物，第三组分选自元素周期表IVA族元素 元素表，铂，和标称尺寸（d）为50至10,000微米的载体。 催化复合材料的特征在于，第二组分和铂都被表面浸渍在载体上，其中第二组分的浓度梯度比铂的浓度梯度更陡。 第二部分是蛋壳表面浸渍。

公开(公告)号：US4775462A

公开(公告)日：1988-10-04

申请号：US65243

申请日：1987-06-22

申请人： Tamotsu Imai ,  Jeffery C. Bricker

发明人： Tamotsu Imai ,  Jeffery C. Bricker

IPC分类号： C10G29/06 ,  C10G29/20 ,  C10G27/00

CPC分类号： C10G29/205 ,  C10G29/06

摘要： This invention relates to a non-oxidative method of sweetening a sour hydrocarbon fraction. The method comprises treating a sour hydrocarbon fraction containing mercaptans with an acid-type catalyst in the presence of an unsaturated hydrocarbon at reaction conditions thereby converting said mercaptans to thioethers. Acid type catalysts which may be used include polymeric sulfonic acid resins, intercalate compounds, sollid acid catalysts and acidic inorganic oxide catalysts.

摘要翻译： 本发明涉及一种甜化酸性烃馏分的非氧化方法。 该方法包括在反应条件下，在不饱和烃存在下用酸型催化剂处理含有硫醇的酸性烃馏分，从而将所述硫醇转化为硫醚。 可以使用的酸型催化剂包括聚合磺酸树脂，插层化合物，sollid酸催化剂和酸性无机氧化物催化剂。

公开(公告)号：US4665271A

公开(公告)日：1987-05-12

申请号：US887778

申请日：1986-07-21

申请人： Tamotsu Imai ,  Joseph A. Kocal

发明人： Tamotsu Imai ,  Joseph A. Kocal

IPC分类号： B01J27/12 ,  B01J31/02 ,  C07C2/62 ,  C07C3/54

CPC分类号： B01J31/0204 ,  C07C2/62 ,  B01J2231/323 ,  B01J27/12 ,  C07C2527/1206 ,  C07C2531/02

摘要： A novel hydrocarbon alkylation catalyst is disclosed comprising a mineral acid and an ether component. A process for utilizing the novel catalyst is also disclosed.

公开(公告)号：US4490571A

公开(公告)日：1984-12-25

申请号：US539208

申请日：1983-10-05

申请人： Mark J. O'Hara ,  Tamotsu Imai

发明人： Mark J. O'Hara ,  Tamotsu Imai

IPC分类号： B01J27/12 ,  C07C2/20 ,  C07C2/02

CPC分类号： C07C2/20 ,  B01J27/12 ,  C07C2521/04 ,  C07C2521/12 ,  C07C2527/1213

摘要： An oligomerization process is effected by treating olefinic hydrocarbons containing from 2 to about 6 carbon atoms in the presence of a catalyst comprising boron fluoride composited on an alumina support. The catalyst is treated with an additive comprising an oxygen or nitrogen-containing compound either prior to or during the process whereby the product which is obtained from the reaction will contain oligomer isomers possessing minimal branching.

摘要翻译： 在包含在氧化铝载体上复合的氟化硼的催化剂存在下，通过处理含有2至约6个碳原子的烯烃进行低聚方法。 在该方法之前或期间，用包含含氧或含氮化合物的添加剂处理催化剂，由此从反应得到的产物将含有具有最小支化的低聚物异构体。

公开(公告)号：US4476342A

公开(公告)日：1984-10-09

申请号：US510480

申请日：1983-07-01

申请人： Mark J. O'Hara ,  Tamotsu Imai

发明人： Mark J. O'Hara ,  Tamotsu Imai

IPC分类号： B01J27/16 ,  C07C2/18 ,  C07C2/24

CPC分类号： C07C2/18 ,  B01J27/16 ,  C07C2527/167 ,  Y02P20/582

摘要： Oligomers of olefins containing from 3 to about 6 carbon atoms such as dimers may be obtained in a more highly branched chain compound by effecting the oligomerization at temperatures in the range of from about 50.degree. to about 350.degree. C. and a pressure in the range of from about 100 to about 2500 psig in the presence of a catalyst comprising a fluorided aluminum phosphate. The catalyst may be prepared by impregnating an aluminum phosphate with a fluorine-containing compound in an aqeous or nonaqueous medium, drying, calcining and recovering the desired catalyst.

摘要翻译： 可以通过在约50℃至约350℃的温度范围内实现低聚而在更高支链化合物中获得含有3至约6个碳原子的烯烃的低聚物，例如二聚体， 在包含氟化磷酸铝的催化剂存在下，为约100至约2500psig。 催化剂可以通过在酸性或非水介质中浸渍含氟化合物的磷酸铝来干燥，煅烧和回收所需的催化剂来制备。

公开(公告)号：US4438288A

公开(公告)日：1984-03-20

申请号：US496146

申请日：1983-05-19

申请人： Tamotsu Imai ,  Chi-Wen Hung

发明人： Tamotsu Imai ,  Chi-Wen Hung

IPC分类号： C07C5/32 ,  C07C5/333 ,  C07C5/23 ,  B01J37/22

CPC分类号： C07C5/3337 ,  C07C5/325 ,  Y02P20/584

摘要： This invention relates to a new process for dehydrogenating hydrocarbons utilizing a catalyst comprising a platinum group component, an alkali or alkaline earth component and a porous support material. After the catalyst is used to dehydrogenate hydrocarbons it is contacted in a catalyst regeneration zone with a halogen component to produce a regenerated catalyst containing added halogen component, which regenerated catalyst can then be reused to dehydrogenate hydrocarbons. The added halogen component increases the catalyst's activity and stability in the dehydrogenation process.

摘要翻译： 本发明涉及使用包含铂族组分，碱金属或碱土金属组分和多孔载体材料的催化剂使烃脱氢的新方法。 在催化剂用于脱氢烃之后，其在催化剂再生区与卤素组分接触以产生含有添加的卤素组分的再生催化剂，再生催化剂然后可再次用于使烃脱氢。 添加的卤素组分增加了催化剂在脱氢过程中的活性和稳定性。