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    Integrated etherification process with isomerization pretreatment
    31.
    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

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

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

    IPC: C07C5/27 ,  C07C41/06

    CPC classification number: C07C41/06 ,  C07C5/2791

    Abstract: 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 Normal paraffins withdrawn from the fractionator are isomerized and returned to the fractionator, and isoparaffins are withdrawn from the fractionator and dehyrogenated.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 Normal butanes and olefins are withdrawn as a sidecut from the deisobutanizer.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.

    Abstract translation: 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。

    Process for the removal of trace quantities of hydrocarbonaceous compounds from an aqueous stream
    32.
    发明授权
    Process for the removal of trace quantities of hydrocarbonaceous compounds from an aqueous stream 失效
    从含水物流中除去微量烃类化合物的方法

    公开(公告)号：US4568447A

    公开(公告)日：1986-02-04

    申请号：US759812

    申请日：1985-07-29

    Applicant: Peter R. Pujado ,  John G. Sikonia

    Inventor： Peter R. Pujado ,  John G. Sikonia

    IPC: C02F1/26 ,  C10G45/02 ,  C10G45/06 ,  B01D11/00

    CPC classification number: C02F1/26 ,  C10G45/02

    Abstract: A process for the removal of trace quantities of hydrocarbonaceous compounds from an aqueous stream which comprises the steps of: (a) contacting a solvent, which in the supercritical state is effective to dissolve the hydrocarbonaceous compounds from the aqueous stream, with the aqueous stream, for a time sufficient at supercritical solvent conditions to dissolve at least a portion of the hydrocarbonaceous compounds and to produce an aqueous stream having a reduced hydrocarbonaceous compound concentration; (b) separating the hydrocarbonaceous compounds from the solvent at subcritical conditions; and (c) recovering the hydrocarbonaceous compounds.

    Abstract translation: 一种从水流中除去痕量烃类化合物的方法，该方法包括以下步骤：（a）使超临界状态下有效溶解含水物质的含烃化合物的溶剂与水流接触， 在超临界溶剂条件下足以溶解至少一部分烃类化合物并产生具有降低的烃化合物浓度的水流; （b）在亚临界条件下将烃类化合物与溶剂分离; 和（c）回收含烃化合物。

    Ammoxidation process
    33.
    发明授权
    Ammoxidation process 失效
    氨氧化工艺

    公开(公告)号：US4246191A

    公开(公告)日：1981-01-20

    申请号：US65827

    申请日：1979-08-13

    Applicant: Peter R. Pujado

    Inventor： Peter R. Pujado

    IPC: B01J8/00 ,  C07C253/26 ,  C07C120/14

    CPC classification number: C07C253/26 ,  B01J8/0055

    Abstract: A process for the ammoxidation of olefinic hydrocarbons in a fluidized reactor is disclosed. The upper level of the fluidized catalyst bed is maintained near the inlet of the particle separator located at the top of the reactor. This reduces the temperature variation and homogeneous reactions within the reactor and also increases the useful life of the catalyst.

    Abstract translation: 公开了一种在流化反应器中烯烃的氨氧化方法。 流化催化剂床的上层保持在位于反应器顶部的颗粒分离器的入口附近。 这降低了反应器内的温度变化和均相反应，并且还增加了催化剂的使用寿命。

    Preparing a light-olefin containing product stream from an oxygenate-containing feed stream using reactors directing a flow of a fluidized dual-function catalyst system
    34.
    发明授权
    Preparing a light-olefin containing product stream from an oxygenate-containing feed stream using reactors directing a flow of a fluidized dual-function catalyst system 有权
    使用引导流化双功能催化剂体系流的反应器从含氧化合物的进料流中制备含轻烯烃的产物流

    公开(公告)号：US07722825B1

    公开(公告)日：2010-05-25

    申请号：US11461288

    申请日：2006-07-31

    Applicant: Andrea G. Bozzano ,  Bryan K. Glover ,  Peter R. Pujado

    Inventor： Andrea G. Bozzano ,  Bryan K. Glover ,  Peter R. Pujado

    IPC: F27B15/00 ,  C07C1/00

    CPC classification number: C07C11/06 ,  C07C1/20 ,  C07C4/06 ,  C07C2529/40 ,  C07C2529/85

    Abstract: The present invention provides a reactor system for converting an oxygenate-containing feed stream to an olefin-containing product stream. The system includes: (1) a first fluidized catalytic reactor for converting methanol to propylene, the first reactor having a fluidized catalyst system comprising a first catalyst and a second catalyst; (2) a second fluidized catalytic reactor communicating with the first fluidized catalytic reactor for cracking heavy olefins having four carbon atoms or greater into propylene, the second reactor having the fluidized catalyst system; (3) wherein the first catalyst is a non-zeolite molecular sieve catalyst; and (4) wherein the second catalyst is a zeolite molecular sieve catalyst.

    Abstract translation: 本发明提供了一种用于将含氧化合物的进料流转化为含烯烃的产物流的反应器系统。 该系统包括：（1）用于将甲醇转化成丙烯的第一流化催化反应器，所述第一反应器具有包含第一催化剂和第二催化剂的流化催化剂体系; （2）与第一流化催化反应器连通的第二流化催化反应器，用于将具有四个或更多碳原子的重质烯烃裂解成丙烯，第二反应器具有流化催化剂体系; （3）其中第一催化剂是非沸石分子筛催化剂; 和（4）其中第二催化剂是沸石分子筛催化剂。

    Intrinsically safe oxidation process
    35.
    发明授权
    Intrinsically safe oxidation process 失效
    本质安全氧化工艺

    公开(公告)号：US06768013B1

    公开(公告)日：2004-07-27

    申请号：US09882519

    申请日：2001-06-15

    Applicant: Peter R. Pujado

    Inventor： Peter R. Pujado

    IPC: C07D30112

    CPC classification number: B01J8/222 ,  B01J23/44 ,  B01J2208/00283 ,  B01J2208/0061 ,  C01B15/029 ,  C07B33/00 ,  C07B41/00 ,  C07D201/06 ,  Y02P30/42

    Abstract: A novel process for the direct oxidation of hydrogen and hydrocarbons is disclosed, where the explosion risks inherent in gas phase oxidations are substantially eliminated. Gaseous oxidation reactants are soluble in a first reaction solvent phase such as a perfluorocarbon (e.g. C8F18) and the oxidation product is preferentially soluble in a second product solvent phase such as water or a dilute acid. A solid catalyst such as palladium on alumina is then contacted with the dissolved reactants. The oxidation product such as hydrogen peroxide may be separated from the reaction solvent phase by extraction into the immiscible product solvent phase and then separated from it by distillation, thereby allowing re-use of the aqueous phase. The present invention may be carried out using a two-phase reaction system whereby both the reaction solvent and product solvent are contained within a reaction vessel into which the solid catalyst is slurried and mechanically agitated to promote the reaction.

    Abstract translation: 公开了用于氢气和烃直接氧化的新方法，其中基本上消除了气相氧化中固有的爆炸危险。 气态氧化反应物可溶于第一反应溶剂相如全氟化碳（例如C8F18），氧化产物优选溶于第二产物溶剂相如水或稀酸。 然后将固体催化剂如氧化铝上的钯与溶解的反应物接触。 氧化产物如过氧化氢可以通过萃取到不混溶的产物溶剂相中而从反应溶剂相中分离出来，然后通过蒸馏从其中分离出来，从而允许再次使用水相。 本发明可以使用两相反应体系进行，其中反应溶剂和产物溶剂都包含在反应容器中，固体催化剂在其中浆化并机械搅拌以促进反应。

    Process for producing propylene oxide
    37.
    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

    Applicant: Bipin V. Vora ,  Peter R. Pujado

    Inventor： Bipin V. Vora ,  Peter R. Pujado

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

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

    Abstract: 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.

    Abstract translation: 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。

    Process for recovery of butene-1 from mixed C4 hydrocarbons
    40.
    发明授权
    Process for recovery of butene-1 from mixed C4 hydrocarbons 失效
    从混合C4烃中回收丁烯-1的方法

    公开(公告)号：US4797133A

    公开(公告)日：1989-01-10

    申请号：US946999

    申请日：1986-12-29

    Applicant: Peter R. Pujado

    Inventor： Peter R. Pujado

    IPC: C07C7/148 ,  C10L1/02

    CPC classification number: C10L1/023 ,  C07C7/14891

    Abstract: A process is disclosed for the recovery of butene-1 from a mixed C.sub.4 feed stream which also contains isobutylene, butene-2, isobutane and normal butane. The C.sub.4 feed stream is passed through an etherification reaction zone wherein isobutylene is selectively converted to an ether. The effluent of the etherification reaction zone is fractionated to produce a first stream comprising the product ether and C.sub.4 hydrocarbons and a second stream comprising isobutane and butene-1. The second stream is then separated to yield the butene-1. The first stream is preferably utilized in motor fuel production as by direct blending into a naphtha boiling material or by passage into an alkylation zone.

    Abstract translation: 公开了从还含有异丁烯，丁烯-2，异丁烷和正丁烷的混合C4进料流中回收丁烯-1的方法。 C4进料流通过醚化反应区，其中异丁烯选择性地转化成醚。 将醚化反应区的流出物分馏以产生包含产物醚和C 4烃的第一流，以及包含异丁烷和丁烯-1的第二流。 然后将第二流分离，得到丁烯-1。 第一流优选用于机动车燃料生产中，通过直接共混成石脑油沸腾材料或通过进入烷基化区。

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