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公开(公告)号：US4975179A
公开(公告)日：1990-12-04
申请号：US399181
申请日：1989-08-24
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
摘要： A process is disclosed for the production of high octane gasoline rich in aromatics but containing a relatively low concentration of benzene. The process comprises the separation of C.sub.6 fraction of the gasoline feedstock into n-hexane and C.sub.6 isomers. The n-hexane and C.sub.7 + streams are catalytically reformed to produce a reformate with a diminished yield of benzene. The reformate is separated and the C.sub.6 - reformate fraction containing benzene is alkylated employing acidic metallosilicate catalyst such as ZSM-5 as the catalyst and preferably methano or propylene as the alkylating agent. The alkylate comprises C.sub.7+ alkylaromatics. The C.sub.6 isomers are blended into the gasoline pool.
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公开(公告)号：US4971681A
公开(公告)日：1990-11-20
申请号：US406475
申请日：1989-09-13
CPC分类号： B01J8/0055 , C10G11/18 , B01J2208/00132 , B01J2208/00548
摘要： A method and apparatus are disclosed to reduce the amount of unstripped hydrocarbon flowing to the regenerator in a riser reactor FCC unit. The catalyst stripper section is heated by indirect heat exchange with a mixture of hot regenerator flue gas and regenerated catalyst. In the preferred embodiment, the regenerator is operated under partial combustion conditions and the resulting carbon monoxide-containing flue gas is burned in a catalyst stripper heat exchanger.
摘要翻译： 公开了一种减少在提升管反应器FCC单元中流入再生器的未脱落碳氢化合物的量的方法和装置。 通过与热再生器烟道气和再生催化剂的混合物的间接热交换来加热催化剂汽提段。 在优选实施例中，再生器在部分燃烧条件下运行，并且所得一氧化碳的烟道气在催化剂汽提热交换器中燃烧。
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公开(公告)号：US4899015A
公开(公告)日：1990-02-06
申请号：US225432
申请日：1988-07-28
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
CPC分类号： C07C2/12 , C07C11/02 , C07C2529/40
摘要： An improved process is described for the conversion of olefins to gasoline in contact with zeolite type catalyst. Improvement comprises incorporating a fractionation step in the separation of the effluent stream from the olefins to gasoline conversion reactor such that LPG components in the effluent stream are separated and recovered as well as a stream comprising C.sub.5 + gasoline range boiling liquids. In a preferred embodiment the fractionation step is integrated with FCC unsaturated gas plant fractionators providing advantages in the utilization of common fractionation equipment resulting in significant reduction in process energy and investment requirement.
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公开(公告)号：US4864067A
公开(公告)日：1989-09-05
申请号：US198905
申请日：1988-05-26
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
CPC分类号： C10G65/00
摘要： A process and reactor system is disclosed for hydrotreating a low sulfur containing olefinic distillate and conventional feedstock to a catalytic hydrodesulfurization. The process comprises passing a minor portion of the olefinic distillate to a first hydrotreating zone in admixture with conventional CHD feedstock. A major portion of the olefinic distillate is passed to a second hydrotreating zone in combination with the effluent from the first zone. In this manner the exotherm attributable to olefins hydrogenation is controlled within limits sufficient to avoid very frequent catalyst regeneration.
摘要翻译： 公开了一种用于将低硫含烯烃馏出物和常规原料加氢处理至催化加氢脱硫的方法和反应器系统。 该方法包括将少量部分烯烃馏出物与常规CHD原料混合，使其与第一加氢处理区相通。 将烯烃馏出物的主要部分与来自第一区的流出物结合进入第二加氢处理区。 以这种方式，归因于烯烃氢化的放热被控制在足以避免非常频繁的催化剂再生的限度内。
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15.发明授权
公开(公告)号：US4827069A
公开(公告)日：1989-05-02
申请号：US157830
申请日：1988-02-19
CPC分类号： B01J8/26 , B01J8/0055 , B01J8/1836 , C07C2/00 , C10G50/00 , B01J2208/00132 , B01J2208/00265 , B01J2208/00274 , B01J2208/00309 , B01J2208/0053 , C07C2529/40
摘要： A fluidized bed catalytic process for conversion of light olefinic gas feedstock containing ethene and propene to produce C.sub.5.sup.+ hydrocarbons and for the conversion of catalytic reformate feedstock to produce C.sub.7 -C.sub.11 aromatic hydrocarbons, comprising a maintaining a fluidized bed of zeolite catalyst particles in a turbulent reactor bed at a temperature of about 600.degree. to 750.degree. F. (316.degree. to 399.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; and hydrocarbon product is recovered containing C.sub.5.sup.+ hydrocarbons and C.sub.7 to C.sub.11 aromatic hydrocarbons.
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公开(公告)号：US4827046A
公开(公告)日：1989-05-02
申请号：US179726
申请日：1988-04-11
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
CPC分类号： C07C41/06
摘要： An improved process for reacting crude aqueous methanol feedstock with tertiary-olefinic hydrocarbons to produce C.sub.5.sup.+ methyl tertiary-alkyl ethers, which comprises: contacting the aqueous methanol feedstock with a liquid hydrocarbon extractant rich in C.sub.4.sup.+ isoalkylene under liquid extraction conditions; recovering an organic extract phase comprising the hydrocarbon extractant and a major amount of methanol introduced in the feedstock; reacting the extracted methanol and C.sub.4.sup.+ isoalkene in contact with an acid etherification catalyst under catalytic reaction conditions to produce ether product; separating ether product from unreacted methanol and olefin; recovering an aqueous methanol raffinate phase containing the major amount of water introduced with the feedstock and a minor amount of feedstock methanol; and converting methanol from the aqueous raffinate phase concurrently with unreacted methanol and olefin from etherification effluent separation to produce hydrocarbons.
摘要翻译： 一种用于使粗甲醇原料与叔烯烃反应生成C5 +甲基叔烷基醚的改进方法，其包括：在液体萃取条件下使含水的甲醇原料与富含C 4 +异亚烷基的液体烃萃取剂接触; 回收包含烃萃取剂和引入原料中的大量甲醇的有机萃取相; 使催化反应条件下提取的甲醇和C4 +异烯烃与酸醚化催化剂接触反应生成醚产物; 将醚产物与未反应的甲醇和烯烃分离; 回收含有主要量的原料引入的水的甲醇萃余相和少量原料甲醇; 并且从醚化流出物分离中将来自含水萃余液相的甲醇与未反应的甲醇和烯烃同时转化成烃。
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公开(公告)号：US4826507A
公开(公告)日：1989-05-02
申请号：US130261
申请日：1987-12-08
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
摘要： An integrated once through process for the production of ether-rich liquid fuels containing MTBE and TAME by etherifying a hydrocarbon feedstock containing C.sub.4 + isoalkenes in the presence of a high stoichiometric excess of lower alkyl alcohol. Unreacted alcohol and olefins are passes to a zeolite catalyzed conversion reactor under olefinic and oxygenates conversion condition whereby gasoline and light hydrocarbons are produced.
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公开(公告)号：US5234576A
公开(公告)日：1993-08-10
申请号：US738371
申请日：1991-07-31
申请人： Werner O. Haag , Mohsen N. Harandi , Hartley Owen
发明人： Werner O. Haag , Mohsen N. Harandi , Hartley Owen
IPC分类号： C10G35/095 , C10G55/06 , C10G57/00
CPC分类号： C10G57/00
摘要： The present invention discloses a process for increasing the selectivity of the production of isobutylene in an admixture of C.sub.4 olefins, in a process comprising producing isobutylene, with high selectivity, comprising catalytically producing a first composition comprising at least one C.sub.4 olefin selected from the group consisting of 1-butene, cis-2-butene, trans-2-butene, admixtures thereof and 2-methylpropene admixed with at least one of said 1-butene, cis-2-butene, and trans-2-butene, by passing paraffin containing feed, which feed is free of aromatics, and in which the paraffin contains 5 to 20 carbon atoms, in the vapor phase, over a first catalyst composition, wherein the catalyst comprises ZSM-5 or ZSM-12, and increasing the isobutylene content of the first composition by producing a second composition, by contacting the first composition with a second catalyst composition comprising ZSM-23 under conditions in which the second composition is in the vapor phase, while maintaining the total C.sub.4 olefin content of the second composition substantially identical to the total C.sub.4 olefin content of the first composition.
摘要翻译： 本发明公开了一种增加在C4烯烃混合物中制备异丁烯的选择性的方法，该方法包括以高选择性制备异丁烯，其包括催化产生第一组合物，该组合物包含至少一种选自以下的C 4烯烃： 的1-丁烯，顺式-2-丁烯，反式-2-丁烯，其混合物和与所述1-丁烯，顺式-2-丁烯和反式-2-丁烯中的至少一种混合的2-甲基丙烯，通过石蜡 其中该进料不含芳族化合物，并且其中石蜡在汽相中含有5至20个碳原子，超过第一催化剂组合物，其中催化剂包含ZSM-5或ZSM-12，并且增加异丁烯含量 通过制备第二组合物，通过使第一组合物与包含ZSM-23的第二催化剂组合物在第二组合物处于气相的条件下接触，同时保持t 他的第二组合物的总C 4烯烃含量基本上与第一组合物的总C 4烯烃含量相同。
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公开(公告)号：US5132467A
公开(公告)日：1992-07-21
申请号：US665052
申请日：1991-03-06
申请人： Werner O. Haag , Mohsen N. Harandi , Hartley Owen
发明人： Werner O. Haag , Mohsen N. Harandi , Hartley Owen
IPC分类号： C07C41/06
CPC分类号： C07C41/06
摘要： A process is disclosed for the production of tertiary alkyl ethers wherein linear olefins, particularly n-butene, are isomerized in the vapor phase at high temperature in contact with shape selective metallosilicate catalyst to produce iso-olefin vapor, particularly isobutene. The vaporous iso-butene is then etherified with alkanol to provide alkyl tert-alkyl ether such as MTBE. Unreacted iso-olefin and/or linear olefin and product ether are separated by fractionation and unreacted olefin components recycled. Fractionation of the vapor phase etherification product is carried out by using the fresh liquid linear olefin feedstream as a reflux stream to the fractionator.
摘要翻译： 公开了用于生产叔烷基醚的方法，其中线性烯烃，特别是正丁烯在气相中在与形状选择性金属硅酸盐催化剂接触的高温下异构化以产生异烯烃蒸气，特别是异丁烯。 然后将气态异丁烯与烷醇醚化，得到烷基叔烷基醚如MTBE。 通过分级分离未反应的异烯烃和/或直链烯烃和产物醚，并回收未反应的烯烃组分。 通过使用新鲜液体线性烯烃进料流作为回流流向分馏器进行气相醚化产物的分馏。
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公开(公告)号：US5108719A
公开(公告)日：1992-04-28
申请号：US631116
申请日：1990-12-20
申请人： Mohsen N. Harandi , Hartley Owen
发明人： Mohsen N. Harandi , Hartley Owen
摘要： Isopentene, or isoamylene, conversion to methyl tert-amyl ether can be substantially improved while high conversion of isobutylene to methyl tert-butyl ether can be maintained by carrying out the overall etherification process with alkanol in a staged manner, wherein the first stage is methanol etherification of a C.sub.5 +, or C.sub.5, hydrocarbon feedstream rich in isoamylene and the second stage is etherification to produce MTBE and additional TAME from a C.sub.4 +, or C.sub.4, feedstream. Unreacted methanol and hydrocarbons from the first etherification are uniquely separated by fractionation from the TAME product by using the second stage C.sub.4 + feedstream as a reflux stream to the fractionator and passed to the second etherification zone. Products from the second etherification zone are separated by distillation to produce MTBE, TAME and C.sub.5 +, or C.sub.5, hydrocarbons as a bottom stream.
摘要翻译： 异戊烯或异戊烯转化成甲基叔戊基醚可以显着改善，同时可以通过以分段方式与链烷醇进行总体醚化过程，可以维持异丁烯至甲基叔丁基醚的高转化率，其中第一阶段为甲醇 富含异戊烯的C5 +或C5烃进料的醚化，第二阶段是醚化以从C4 +或C4进料流产生MTBE和另外的TAME。 来自第一次醚化的未反应的甲醇和烃通过使用第二级C4 +进料流作为回流流至分馏器并通过第二醚化区从TAME产物的分馏而被独特地分离。 来自第二醚化区的产物通过蒸馏分离以产生作为底部流的MTBE，TAME和C5 +或C5烃。
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