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    Balanced alkylation feed from etherification and isomerization
    1.
    发明授权
    Balanced alkylation feed from etherification and isomerization 失效
    平衡烷基化进料从醚化和异构化

    公开(公告)号：US5672795A

    公开(公告)日：1997-09-30

    申请号：US533291

    申请日：1995-09-25

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

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

    IPC分类号： C07C41/06 ,  C10L1/02 ,  C07C41/05

    CPC分类号： C10L1/023 ,  C07C41/06

    摘要： An etherification process combines an alkylation zone with a skeletal olefin isomerization zone in an arrangement that rejects isoalkanes and normal alkanes with only minor loss of valuable olefin isomers. The invention also provides a balanced feed to an alkylation zone for the production of high octane gasoline components. This invention can be used to provide ethers and gasoline boiling range alkylates from either C.sub.4 or C.sub.5 feedstocks. The invention fully utilizes all olefin isomers improve octane and vapor pressure charactristics of the gasoline components.

    摘要翻译： 醚化方法将烷基化区与骨架烯烃异构化区结合在一起，其排斥异烷烃和正烷烃，只有少量有价值的烯烃异构体损失。 本发明还提供了用于生产高辛烷值汽油组分的烷基化区的平衡进料。 本发明可用于从C4或C5原料提供醚和汽油沸程烷基化物。 本发明充分利用所有烯烃异构体提高汽油组分的辛烷值和蒸气压特性。

    Process for producing propylene oxide
    2.
    发明授权
    Process for producing propylene oxide 失效
    生产环氧丙烷的方法

    公开(公告)号：US5599955A

    公开(公告)日：1997-02-04

    申请号：US605602

    申请日：1996-02-22

    申请人： Bipin V. Vora ,  Peter R. Pujado

    发明人： Bipin V. Vora ,  Peter R. Pujado

    IPC分类号： C07D301/12 ,  C10G3/00 ,  C07D301/14 ,  C07D301/16

    CPC分类号： C07D301/12 ,  C10G3/49 ,  B01J21/063 ,  B01J29/89 ,  C10G2300/1022 ,  C10G2300/4081 ,  C10G2300/4087 ,  C10G2400/20 ,  Y02P20/125 ,  Y02P20/52

    摘要： The present invention provides an integrated process for the production of propylene oxide from an alternate feedstream such as synthesis gas. In the process, propylene oxide is produced from a feedstream comprising hydrogen and a carbon oxide. A portion of the feedstream is passed to an oxygenate production zone to produce an oxygenate stream comprising methanol and dimethyl ether, and the oxygenate stream is passed to an olefin production zone containing a metal aluminophosphate catalyst to produce a propylene stream. The propylene stream is epoxidized with hydrogen peroxide which has been produced from hydrogen separated from a portion of the feedstream. The spent water stream produced by the epoxidation reaction is treated to remove heavy components and returned to the hydrogen peroxide production zone. The return of the unreacted propylene from the epoxidation reaction zone for its subsequent recovery and recycle permits a less complicated, lower energy propylene separation. The recycling of spent water from the epoxidation reaction zone and the removal of heavy compounds eliminates a low value water stream and the recovery of heavy hydrocarbons therefrom produces a valuable secondary product.

    摘要翻译： 本发明提供了用于从交替进料流如合成气生产环氧丙烷的综合方法。 在该方法中，由包含氢和碳氧化物的原料流产生环氧丙烷。 将一部分原料流送至含氧化合物生产区以产生包含甲醇和二甲醚的含氧物料流，并将含氧化合物物流送至含有金属磷酸铝催化剂的烯烃生产区以产生丙烯料流。 丙烯流被从由原料流的一部分分离的氢气产生的过氧化氢环氧化。 处理通过环氧化反应产生的废水流以除去重质组分并返回到过氧化氢生产区。 从环氧化反应区返回未反应的丙烯以进行随后的回收和再循环，可以实现较不复杂的较低能量的丙烯分离。 来自环氧化反应区的废水的再循环和重质化合物的去除消除了低价值的水流，并且从其中回收重质烃产生有价值的二次产物。

    Methods of converting methanol feedstock to olefins
    3.
    发明授权
    Methods of converting methanol feedstock to olefins 有权
    将甲醇原料转化为烯烃的方法

    公开(公告)号：US07919660B2

    公开(公告)日：2011-04-05

    申请号：US12004843

    申请日：2007-12-21

    申请人： Bipin V. Vora ,  Peter R. Pujado

    发明人： Bipin V. Vora ,  Peter R. Pujado

    IPC分类号： C07C1/00

    CPC分类号： C07C1/20 ,  C07C7/11 ,  C07C11/06 ,  C07C11/08 ,  C07C41/01 ,  C07C41/09 ,  C07C2529/85 ,  Y02P20/52 ,  C07C43/043

    摘要： A method of converting methanol feedstock to olefins is provided and includes contacting the methanol feedstock in a first conversion zone with a catalyst at reaction conditions effective to produce a first reaction zone effluent comprising DME, unreacted methanol and water, and recycling at least a portion of an overhead vapor product to the first conversion zone and/or to the second conversion zone.

    摘要翻译： 提供了将甲醇原料转化为烯烃的方法，包括在有效产生包含DME，未反应的甲醇和水的第一反应区流出物的反应条件下将第一转化区中的甲醇原料与催化剂接触，并将至少一部分 到第一转​​化区和/或第二转化区的塔顶蒸气产物。

    Methods of converting methanol feedstock to olefins
    5.
    发明申请
    Methods of converting methanol feedstock to olefins 有权
    将甲醇原料转化为烯烃的方法

    公开(公告)号：US20090163751A1

    公开(公告)日：2009-06-25

    申请号：US12004843

    申请日：2007-12-21

    申请人： Bipin V. Vora ,  Peter R. Pujado

    发明人： Bipin V. Vora ,  Peter R. Pujado

    IPC分类号： C07C1/00

    CPC分类号： C07C1/20 ,  C07C7/11 ,  C07C11/06 ,  C07C11/08 ,  C07C41/01 ,  C07C41/09 ,  C07C2529/85 ,  Y02P20/52 ,  C07C43/043

    摘要： A method of converting methanol feedstock to olefins is provided and includes contacting the methanol feedstock in a first conversion zone with a catalyst at reaction conditions effective to produce a first reaction zone effluent comprising DME, unreacted methanol and water; cooling the first reaction zone effluent to separate DME as a first vapor product from the first reaction zone effluent and to form a first aqueous stream comprising water, unreacted methanol, soluble DME and oxygenates; contacting the first vapor product in a second conversion zone with a catalyst at reaction conditions effective to produce a second reaction zone effluent comprising light olefins, unreacted DME, water and oxygenates; cooling the second reaction zone effluent to separate the light olefins and the unreacted DME as a second vapor product from the second reaction zone effluent and to form a second aqueous stream comprising water, soluble DME and oxygenates; compressing the unreacted DME and the light olefins; separating DME from the light olefins with an aqueous absorbing liquid to produce substantially DME free olefins product and a third aqueous stream comprising the absorbing liquid, absorbed DME, soluble oxygenates and hydrocarbons; feeding at least a portion of the first, second and/or third aqueous streams into a stripper and stripping out and recovering the methanol, DME, soluble oxygenates and hydrocarbons as an overhead vapor product and a fourth aqueous stream comprising substantially clean water as a bottoms liquid product; and recycling at least a portion of the overhead vapor product to the first conversion zone and/or to the second conversion zone.

    摘要翻译： 提供了一种将甲醇原料转化为烯烃的方法，包括在有效产生包含DME，未反应的甲醇和水的第一反应区流出物的反应条件下使第一转化区中的甲醇原料与催化剂接触; 冷却第一反应区流出物以将第一蒸气产物与第一反应区流出物分开，形成含有水，未反应的甲醇，可溶性DME和含氧化合物的第一含水流; 在有效产生包含轻质烯烃，未反应的DME，水和含氧化合物的第二反应区流出物的反应条件下，将第二转化区中的第一蒸气产物与催化剂接触; 冷却第二反应区流出物以从第二反应区流出物分离作为第二蒸气产物的轻质烯烃和未反应的DME，并形成包含水，可溶性DME和含氧化合物的第二含水流; 压缩未反应的DME和轻质烯烃; 用轻质烯烃与吸收液体分离DME以产生基本上不含二甲醚的烯烃产物和含有吸收液体，吸收的DME，可溶性氧化物和烃的第三含水物流; 将第一，第二和/或第三含水物流的至少一部分进料到汽提器中，并将甲醇，二甲醚，可溶性含氧物和烃作为塔顶蒸气产物和第四含水流包含基本上清洁的水作为底部 液体产品; 以及将至少一部分塔顶蒸气产物再循环到第一转化区和/或第二转化区。

    Selective conversion of oxygenate to propylene using moving bed technology and a hydrothermally stabilized dual-function catalyst
    6.
    发明授权
    Selective conversion of oxygenate to propylene using moving bed technology and a hydrothermally stabilized dual-function catalyst 有权
    使用移动床技术和水热稳定的双功能催化剂选择性地将含氧化合物转化为丙烯

    公开(公告)号：US07408092B2

    公开(公告)日：2008-08-05

    申请号：US10988136

    申请日：2004-11-12

    申请人： Bryan K. Glover ,  John Q. Chen ,  Peter R. Pujado ,  Bipin V. Vora

    发明人： Bryan K. Glover ,  John Q. Chen ,  Peter R. Pujado ,  Bipin V. Vora

    IPC分类号： C07C1/00

    CPC分类号： C07C11/06 ,  B01J8/082 ,  B01J8/085 ,  B01J8/12 ,  B01J2208/00274 ,  B01J2208/00283 ,  B01J2208/00292 ,  C07C1/20 ,  C07C2521/04 ,  C07C2529/40 ,  C07C2529/84 ,  C07C2529/85 ,  Y02P20/52

    摘要： The average propylene cycle selectivity of an oxygenate to propylene (OTP) process using a dual-function oxygenate conversion catalyst is substantially enhanced by the use of a combination of: 1) moving bed reactor technology in the hydrocarbon synthesis portion of the OTP flow scheme in lieu of the fixed bed technology of the prior art; 2) a hydrothermally stabilized and dual-functional catalyst system comprising a molecular sieve having dual-function capability dispersed in a phosphorus-modified alumina matrix containing labile phosphorus and/or aluminum anions; and 3) a catalyst on-stream cycle time of 400 hours or less. These provisions stabilize the catalyst against hydrothermal deactivation and hold the build-up of coke deposits on the catalyst to a level which does not substantially degrade dual-function catalyst activity, oxygenate conversion and propylene selectivity, thereby enabling maintenance of average propylene cycle yield near or at essentially start-of-cycle levels.

    摘要翻译： 使用双功能含氧化合物转化催化剂的含氧化合物对丙烯（OTP）方法的平均丙烯循环选择性通过使用以下组合来显着增强：1）OTP流程图的烃合成部分中的移动床反应器技术 现有技术的固定床技术的代替; 2）水热稳定和双功能催化剂体系，其包含具有分散在含有不稳定磷和/或铝阴离子的磷改性氧化铝基质中的双功能能力的分子筛; 和3）催化剂在流循环时间为400小时以下。 这些规定稳定催化剂以防止水热失活，并将催化剂上焦炭沉积物的积聚保持在基本上不降低双功能催化剂活性，含氧化合物转化率和丙烯选择性的水平，从而使维持平均丙烯循环产率接近或 基本上是循环周期的水平。

    Spherical catalysts to convert hydrocarbons to light olefins
    7.
    发明授权
    Spherical catalysts to convert hydrocarbons to light olefins 有权
    将烃转化为轻质烯烃的球形催化剂

    公开(公告)号：US07314963B2

    公开(公告)日：2008-01-01

    申请号：US10951359

    申请日：2004-09-28

    申请人： Timur V. Voskoboynikov ,  Michael H. Quick ,  Peter R. Pujado ,  Bipin V. Vora

    发明人： Timur V. Voskoboynikov ,  Michael H. Quick ,  Peter R. Pujado ,  Bipin V. Vora

    IPC分类号： C07C4/06

    CPC分类号： B01J29/035 ,  B01J29/40 ,  B01J2229/42 ,  C07C4/06 ,  Y02P20/52 ,  C07C11/04 ,  C07C11/06

    摘要： The present invention comprises a process for producing propylene comprising the steps of contacting an olefin feed containing between about 40 and about 80 wt-% olefins and between about 20 and about 60 wt-% olefins and aromatics with a spherical catalyst to form a cracked product, the catalyst comprising about 30 to about 80 wt-% of a crystalline zeolite, the reaction conditions including a temperature from about 500° to 650° C., a hydrocarbon partial pressure of 70 to 280 kPa (10 to 40 psia), a liquid hourly space velocity in the range of 5 to 40 hr−1 and wherein propylene comprises at least 90 mol-% of the total C3 products.

    摘要翻译： 本发明包括一种生产丙烯的方法，包括以下步骤：将含有约40至约80重量％的烯烃和约20至约60重量％的烯烃和芳族化合物的烯烃进料与球形催化剂接触以形成裂化产物 ，催化剂包含约30至约80重量％的结晶沸石，反应条件包括约500℃至650℃的温度，70至280kPa（10至40psia）的烃分压， 在5至40小时-1的范围内的液时空速，其中丙烯占总C 3 N 3产物的至少90摩尔％。

    Production of ethers by the reaction of alcohols and olefins
    9.
    发明授权
    Production of ethers by the reaction of alcohols and olefins 失效
    通过醇和烯烃的反应生产醚

    公开(公告)号：US5015783A

    公开(公告)日：1991-05-14

    申请号：US445255

    申请日：1989-12-04

    申请人： Bipin V. Vora ,  Peter R. Pujado ,  Charles P. Luebke

    发明人： Bipin V. Vora ,  Peter R. Pujado ,  Charles P. Luebke

    IPC分类号： C07C41/06

    CPC分类号： C07C41/06 ,  C07C41/09 ,  Y02P20/582

    摘要： Processes for the production of ethers from alcohols and isoolefins are disclosed. Isoolefins having four to five carbon atoms per molecule are combined with a monohydroxy alcohol having from one to five carbon atoms per molecule and with a recycle stream comprising alcohol and water to form an etherification zone feed stream which is passed through an etherification zone to produce the desired ether. The effluent from the etherification zone is separated into an ether product and an aqueous product containing unreacted alcohol which is recycled to provide a portion of the etherification zone feed stream. Distillation can be employed to separate the effluent from the etherification zone into a bottoms product stream, comprising the ether, a distillate product comprising other hydrocarbons and the above-mentioned recycle stream. When producing ethyl-tertiary-butyl ether (ETBE), azeotropic grade ethanol, i.e., about 5 vol. % water, is preferably utilized. The utilization of the alcohol/water recycle stream can obviate the need for additional alcohol recovery from the distillate product.

    摘要翻译： 公开了从醇和异烯烃生产醚的方法。 每分子具有4至5个碳原子的异烯烃与每分子具有1至5个碳原子的单羟基醇和包含醇和水的再循环料流组合以形成醚化区进料流，其通过醚化区以产生 所需的醚。 来自醚化区的流出物被分离成醚产物和含有未反应的醇的含水产物，其被再循环以提供一部分醚化区进料流。 可以使用蒸馏将来自醚化区的流出物分离成塔底产物流，其包含醚，包含其它烃的馏出物产物和上述循环物流。 当生产乙基叔丁基醚（ETBE）时，共沸级乙醇即约5体积％ ％的水。 酒精/水循环流的利用可以避免从馏出物产品中再次进行酒精回收的需要。

    Integrated etherification process with isomerization pretreatment
    10.
    发明授权
    Integrated etherification process with isomerization pretreatment 失效
    综合醚化过程与异构化预处理

    公开(公告)号：US4754078A

    公开(公告)日：1988-06-28

    申请号：US020806

    申请日：1987-03-02

    申请人： Bipin V. Vora ,  Peter R. Pujado ,  Richard E. Conser

    发明人： Bipin V. Vora ,  Peter R. Pujado ,  Richard E. Conser

    IPC分类号： C07C5/27 ,  C07C41/06

    CPC分类号： C07C41/06 ,  C07C5/2791

    摘要： A multistep hydrocarbon conversion process for the production of ethers including methyl tertiary butyl ether (MTBE) from light paraffins and alcohols is disclosed. A mixture of C.sub.4 isoparaffins, normal paraffins, an etherification recycle and butane isomerization effluent enter a deisobutanizer column. Normal paraffins withdrawn from the fractionator are isomerized and returned to the fractionator, and isoparaffins are withdrawn from the fractionator and dehyrogenated. The resulting olefins enter an etherification zone for reaction of isobutene with a C.sub.2 -C.sub.5 alcohol. Unreacted paraffins and olefins comprise the etherification effluent entering the deisobutanizer. Normal butanes and olefins are withdrawn as a sidecut from the deisobutanizer. Hydrogenation of the sidecut saturates any olefins contained therein which would interfere with the isomerization of normal butanes. The saturated sidecut passes to an isomerization zone and a mixture of isobutane and normal butane is recycled to the deisobutanizer. In a highly perferred embodiment, spent catalyst from the isomerization zone fulfills the catalyst requirement of the dehydrogenation zone.

    摘要翻译： 公开了一种用于从轻链烷烃和醇生产包括甲基叔丁基醚（MTBE）的醚的多步烃转化方法。 C4异构烷烃，正链烷烃，醚化再循环和丁烷异构化流出物的混合物进入脱异丁烷塔。 从分馏器中取出的正链烷烃被异构化并返回到分馏器中，并从分馏器中取出异链烷烃并进行脱氢。 所得烯烃进入醚化区以使异丁烯与C 2 -C 5醇反应。 未反应的链烷烃和烯烃包含进入脱异丁烷的醚化流出物。 正丁烷和烯烃作为脱离异构化剂的副反应物被排出。 旁路的氢化使其中含有的任何烯烃饱和会干扰正常丁烷的异构化。 饱和侧面经过异构化区，异丁烷和正丁烷的混合物再循环到脱异丁烷。 在高度推断的实施方案中，来自异构化区域的废催化剂满足脱氢区的催化剂需求。