-
公开(公告)号：US5395513A
公开(公告)日：1995-03-07
申请号：US106690
申请日：1993-08-16
IPC分类号： C10G35/09 , C10G35/095
CPC分类号： C10G35/09
摘要： A continuous process for upgrading reformate feedstock or the like to reduce benzene content and increase octane fuel rating. The improved process comprises maintaining a fluidized bed of regenerable acid solid medium pore zeolite catalyst particles in a turbulent regime reaction zone, preferably maintained with a superficial gas velocity of 0.1 to 1 meter/sec. with reformate feedstock being introduced at a bottom portion of the reaction zone at a weight hourly space velocity (WHSV) of 0.1 to 5, based on active catalyst solids; reaction zone total pressure being less than 2000 kPa. The preferred catalyst particles have an average particle size of 20 to 100 microns (.mu.), with about 10 to 25% of the catalyst particles comprising fine particles having a particle size less than 30 microns; and the preferred zeolite catalyst comprises shape selective medium pore aluminosilicate zeolite having a constraint index of 1 to 12. The benzene is reacted by contacting reformate feedstock, such as C.sub.6 distillation heart cut containing at least 70 wt % compounds having six carbon atoms, including benzene, n-hexane and isohexane, with said catalyst particles at reaction temperature of 370.degree. to 540.degree. C. and at benzene partial pressure of at least 200 kPa under reformate conversion conditions sufficient to convert at least 40% of feedstock benzene per pass, thereby producing a high octane fuel product containing less than 10 wt % C.sub.10.sup.+ components.
摘要翻译： 用于升级重整原料等以降低苯含量和提高辛烷值的连续方法。 改进的方法包括将可再生酸固体中孔沸石催化剂颗粒的流化床保持在湍流状态反应区，优选以0.1至1米/秒的表观气体速度保持。 其中重整原料以基于活性催化剂固体的0.1至5的重时空速（WHSV）引入反应区的底部; 反应区总压力小于2000 kPa。 优选的催化剂颗粒具有20至100微米（μm）的平均粒度，约10至25％的催化剂颗粒包含粒径小于30微米的细颗粒; 并且优选的沸石催化剂包括具有1至12约束指数的形状选择性中孔硅铝酸盐沸石。苯通过使重整油原料接触而反应，例如含有至少70重量％的具有6个碳原子的化合物的C6蒸馏心切，包括苯 正己烷和异己烷，所述催化剂颗粒在370〜540℃的反应温度和至少200kPa的苯分压下，在重整转化条件下，足以每道次转化至少40％的原料苯，由此 产生含有少于10重量％的C10 +组分的高辛烷值燃料产物。
-
公开(公告)号：US5491270A
公开(公告)日：1996-02-13
申请号：US278713
申请日：1994-07-22
CPC分类号： C10G29/205
摘要： A benzene-rich gasoline stream is alkylated with higher olefins in contact with a fluid bed of shape selective zeolite catalyst to produce a gasoline product stream reduced in benzene content wherein the high octane value alkylaromatics formed by benzene alkylation are of low carbon number, essentially C10-. Concurrently, a portion of olefins in the gasoline stream are converted to gasoline boiling range hydrocarbons and the sulfur content of the gasoline feedstream is lowered. Besides enhancing the octane value of the feedstream, the process results in a lower Reid vapor pressure and lower sulfur content.
摘要翻译： 富含苯的汽油流与形状选择性沸石催化剂的流化床接触的高级烯烃烷基化，以产生苯含量降低的汽油产物流，其中由苯烷基化形成的高辛烷值烷基芳烃为低碳原子，基本上为C10 - 。 同时，将汽油流中的一部分烯烃转化为汽油沸程烃，并降低汽油原料流中的硫含量。 除了增加进料流的辛烷值外，该方法还会导致较低的Reid蒸气压和较低的硫含量。
-
公开(公告)号：US5414172A
公开(公告)日：1995-05-09
申请号：US184902
申请日：1994-01-21
CPC分类号： C10G59/02
摘要： A process for upgrading low octane naphthas to produce gasoline products with low levels of benzene and aromatics while retaining a high pool octane uses a paraffinic naphtha reformer feed which is dehexanized to provide a C.sub.7 + fraction which is fed to the reformer and a C.sub.6 fraction which is fed together with the C.sub.6 fraction from the reformer effluent to a catalytic upgrading step where the low octane components from the naphtha and the benzene from the reformate are converted to a low benzene, high octane gasoline by alkylation of the benzene and other aromatics present in the reformate. The process has the advantage that benzene make in the reformer is reduced by the partial by-passing of the C.sub.6 benzene precursors around the reformer; in addition, improved benzene alkylation results from the presence of additional light olefins generated by the cracking of paraffins from the paraffinic naphtha. the reaction is preferably carried out in a turbulent fluidized bed reaction zone.
摘要翻译： 一种用于升级低辛烷值的石脑油以生产具有低含量苯和芳族化合物的汽油产品同时保留高残留辛烷值的方法使用石蜡石脑油重整器原料，该进料被脱脂以提供进料至重整器的C 7+馏分， 与来自重整器流出物的C6馏分一起进料到催化升级步骤，其中来自石脑油的低辛烷值成分和来自重整产物的苯通过苯和其它芳族化合物的烷基化转化为低苯，高辛烷值汽油 重组。 该方法的优点是在重整器周围的C6苯前体的部分旁路减少了重整器中的苯; 此外，改进的苯烷基化是由于由链烷烃石脑油裂解石蜡产生的另外的轻质烯烃的存在。 该反应优选在湍流流化床反应区中进行。
-
公开(公告)号：US5625113A
公开(公告)日：1997-04-29
申请号：US365334
申请日：1994-12-28
CPC分类号： C07C2/58 , C07C2/62 , C07C9/16 , C07C2527/054 , C07C2529/70
摘要： A process is disclosed for alkylating an isoparaffin with an olefin comprising the steps of:(a) reacting an isoparaffin having from 4 to 8 carbon atoms with an olefin having from 2 to 12 carbon atoms in a first alkylation reaction stage at temperature from about -40.degree. C. to about 500.degree. C. and overall isoparaffin:olefin feed weight ratio of from about 1:1 to about 250:1 with a solid alkylation catalyst comprising a synthetic porous crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table I of the specification and having a composition comprising the molar relationshipX.sub.2 O.sub.3 :(n)YO.sub.2,wherein n is less than about 35, X is a trivalent element and Y is a tetravalent element;(b) mixing the effluent from said first alkylation stage with additional olefin to evolve an intermediate stream having an isoparaffin:olefin weight ratio of from about 2:1 to about 100:1; and(c) reacting said intermediate stream in a second alkylation stage in the absence of intermediate fractionation with a liquid acid catalyst comprising H.sub.2 SO.sub.4 to produce C.sub.5 + alkylate.
摘要翻译： 公开了一种用烯烃烷基化异链烷烃的方法，该方法包括以下步骤：（a）使第一烷基化反应阶段中具有4至8个碳原子的异链烷烃与具有2至12个碳原子的烯烃反应， 40℃至约500℃，总异构链烷烃：烯烃进料重量比为约1:1至约250:1，其中固体烷基化催化剂包含合成多孔结晶材料，其特征在于X射线衍射图包括值 基本上如说明书的表I所述，并且具有包含摩尔关系X 2 O 3：（n）YO 2的组成，其中n小于约35，X是三价元素，Y是四价元素; （b）将来自所述第一烷基化阶段的流出物与另外的烯烃混合以产生具有约2:1至约100:1的异链烷烃：烯烃重量比的中间料流; 和（c）在不与中间分级分离的第二烷基化阶段中使所述中间物流与包含H 2 SO 4的液体酸催化剂反应，以产生C5 +烷基化物。
-
公开(公告)号：US20080047871A1
公开(公告)日：2008-02-28
申请号：US11508249
申请日：2006-08-23
申请人： Glen B. Brons , Douglas S. Meyer , Mohsen N. Harandi , Randolph Perry , John W. Anthony , John S. Jackson
发明人： Glen B. Brons , Douglas S. Meyer , Mohsen N. Harandi , Randolph Perry , John W. Anthony , John S. Jackson
CPC分类号： B08B9/0933 , C10G1/00 , C10G1/04
摘要： HSP crude oil is used as process stream in crude oil storage tanks to address sludge levels both by cleaning sludge accumulations and preventing any significant sludge build up when used on a regular basis. HSP crude oil is also used to optimize cleaning routines. Making HSP oil easily accessible by providing a designated HSP source will make tank maintenance more efficient and allow refineries to use the advantages of the HSP oil to the maximum extent.
摘要翻译： HSP原油用作原油储罐中的工艺流，通过清理污泥积聚和防止在定期使用时显着污泥堆积来解决污泥水平。 HSP原油也用于优化清洗程序。 通过提供指定的HSP源使HSP油易于接近，将使油箱维护更有效率，并允许炼油厂在最大程度上使用HSP油的优点。
-
公开(公告)号：US5763727A
公开(公告)日：1998-06-09
申请号：US11573
申请日：1993-02-01
申请人： Nick A. Collins , Mohsen N. Harandi
发明人： Nick A. Collins , Mohsen N. Harandi
CPC分类号： C07C6/10 , C07C2529/44 , C07C2529/70
摘要： A process is provided for the disproportionation of C.sub.3 -C.sub.5 paraffins. Propane, butanes and/or pentanes are reacted over a zeolite catalyst having a low acid activity in a turbulent fluidized bed reactor regenerator system operating at low to moderate pressures.
摘要翻译： 提供了C3-C5链烷烃歧化的方法。 丙烷，丁烷和/或戊烷在低中压下在湍流流化床反应器再生器系统中在具有低酸活性的沸石催化剂上反应。
-
公开(公告)号：US5714640A
公开(公告)日：1998-02-03
申请号：US184537
申请日：1994-01-21
申请人： Weldon K. Bell , Stephen H. Brown , Frederick E. Daugherty , Mohsen N. Harandi , Jeffrey C. Trewella
发明人： Weldon K. Bell , Stephen H. Brown , Frederick E. Daugherty , Mohsen N. Harandi , Jeffrey C. Trewella
CPC分类号： C07C41/06 , C07B61/00 , C07C2/12 , C07C2521/08 , C07C2529/70 , Y02P20/127 , Y02P20/582
摘要： A condensation reaction process and reactor for converting a plurality of reactants to at least one reaction product having a vapor pressure less than the vapor pressure of the reactants. The process includes heating a liquid phase of the reactants to at least partial vaporization thus forming a vapor phase of the reactants. The vapor phase reactants are passed in a vapor and or condensed state through at least one catalyst bed spaced from the liquid state to form reaction product(s). The reaction product(s) is returned to the liquid phase without additional contact with catalyst.
摘要翻译： 一种缩合反应过程和反应器，用于将多种反应物转化成至少一种具有低于反应物的蒸气压的蒸气压的反应产物。 该方法包括将反应物的液相加热至少部分汽化，从而形成反应物的气相。 气相反应物以蒸气和/或冷凝状态通过与液态间隔开的至少一个催化剂床，以形成反应产物。 反应产物返回到液相，而不与催化剂另外接触。
-
公开(公告)号：US5599439A
公开(公告)日：1997-02-04
申请号：US322466
申请日：1994-10-14
CPC分类号： C10G69/08
摘要： A low sulfur gasoline of relatively high octane number is produced from a catalytically cracked, sulfur-containing naphtha by hydrodesulfurization followed by octane enhancing treatment in a fluidized bed catalytic process, in the presence of an aromatics-rich feedstream. The process converts the hydrodesulfurized intermediate and the aromatics-rich feedstream to a gasoline boiling range fraction of high octane number. The fluidized bed catalytic process is carried out over zeolite catalyst particles in a turbulent reactor bed at a temperature of about 600.degree. to 800.degree. F. (316.degree. to 427.degree. C.) and pressure of about 100 to 250 psig (790 to 825 kPa. The catalyst has an apparent particle density of about 0.9 to 1.6 g/cm.sup.3 and a size range of about 1 to 150 microns, and average catalyst particle size of about 20 to 100 microns containing about 10 to 25 weight percent of fine particles having a particle size less than 32 microns. The feed vapor is passed upwardly through the fluidized catalyst bed under turbulent flow conditions; turbulent fluidized bed conditions are maintained through the reactor bed between transition velocity and transport velocity at a superficial fluid velocity of about 0.3 to 2 meters per second. Treatment in the fluidized bed catalytic process 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.
摘要翻译： 通过加氢脱硫，然后在富含芳烃的进料流存在下，在流化床催化方法中进行辛烷值增强处理，由催化裂解的含硫石脑油产生相对高辛烷值的低硫汽油。 该方法将加氢脱硫中间体和富含芳烃的进料流转化为高辛烷值的汽油沸程。 流化床催化过程在湍流反应器床中在沸点催化剂颗粒上进行，温度为约600至800°F（316至427℃），压力为约100至250psig（790至825 催化剂具有约0.9至1.6g / cm 3的表观颗粒密度和约1至150微米的尺寸范围，并且约20至100微米的平均催化剂颗粒尺寸含有约10至25重量％的具有 进料蒸气在湍流条件下向上通过流化催化剂床;湍流流化床条件通过反应器床保持在过渡速度和输送速度之间，表面流体速度约为0.3至2 流化床催化过程中的处理恢复了由于氢化处理而发生的辛烷值损失，导致低硫汽油产物与 辛烷值与进料石脑油相当。
-
公开(公告)号：US5414146A
公开(公告)日：1995-05-09
申请号：US109971
申请日：1993-08-23
IPC分类号： C07C41/06
CPC分类号： C07C41/06 , C07C41/42 , Y10S203/06
摘要： Porous metallosilicate catalyst (e.g. Zeolite Beta) is active at low temperature for converting lower alkanol (e.g. methanol) and C.sub.4 -C.sub.7 tertiary alkenes to high octane ether product. Such catalytic reaction is especially useful in multizone catalytic reactor systems employing catstill rectification.
摘要翻译： 多孔金属硅酸盐催化剂（例如沸石β）在低温下是有活性的，用于将低级烷醇（例如甲醇）和C 4 -C 7叔烯烃转化成高辛烷值的产物。 这种催化反应在使用密度整流的多区域催化反应器系统中特别有用。
-
公开(公告)号：US5401387A
公开(公告)日：1995-03-28
申请号：US101810
申请日：1993-08-03
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
IPC分类号： C10G51/02
CPC分类号： C10G51/026
摘要： A process for multi-stage catalytic cracking is disclosed. A first stage cracks a first feed at atmospheric to 100 psig over a shape selective zeolite to convert from 10 to 90%, by volume, to lighter products rich in iso-compounds which may be used to make ethers. A second feed, which may include 700.degree. F.+ liquid from the selective cracking reaction, is cracked in a catalytic cracking (FCC) unit. Preferably all or some of the products from the shape selective cracking reactor are fractionated in the FCC main column.
摘要翻译： 公开了一种多级催化裂化方法。 第一阶段在形状选择性沸石上将大气压下的第一次进料裂解至100psig，将体积的10至90％转化成可用于制备醚的富含异构体的较轻质产物。 来自选择性裂解反应的可能包括700°F +液体的第二进料在催化裂化（FCC）单元中裂化。 优选地，来自形状选择性裂化反应器的所有或一些产物在FCC主塔中分馏。
-
-
-
-
-
-
-
-
-
搜索结果
171 条记录 (耗时 0.034 秒)