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    IMPROVED OPERATION OF HEADS COLUMN IN ACRYLONITRILE PRODUCTION
    1.
    发明申请
    IMPROVED OPERATION OF HEADS COLUMN IN ACRYLONITRILE PRODUCTION 审中-公开
    在丙烯腈生产中改进柱头的操作

    公开(公告)号：WO2003018541A1

    公开(公告)日：2003-03-06

    申请号：PCT/US2001/026104

    申请日：2001-08-21

    Applicant: THE STANDARD OIL COMPANY

    Inventor： GODBOLE, Sanjay, P.

    IPC: C07C253/24

    CPC classification number: C01C3/04 ,  C07C253/24 ,  C07C253/34 ,  C07C255/08

    Abstract: A process for the enhanced recovery and oepration of hydrogen cyanide (HCN)/ heads column obtained form the reactor effluent of an ammoxidation reaction of propane, propylene or isobutylene by reducing the polymer formation above the feed tray in the heads tower.

    Abstract translation: 通过减少头塔中进料塔上方的聚合物形成，从丙烷，丙烯或异丁烯的氨氧化反应的反应器流出物中获得的氰化氢（HCN）/喷头塔的增强回收和渗透的方法。

    AMMOXIDATION OF CARBOXYLIC ACIDS TO A MIXTURE OF NITRILES
    3.
    发明申请
    AMMOXIDATION OF CARBOXYLIC ACIDS TO A MIXTURE OF NITRILES 审中-公开
    羧酸对氨基甲酸铵的氧化

    公开(公告)号：WO2003097583A1

    公开(公告)日：2003-11-27

    申请号：PCT/US2003/015983

    申请日：2003-05-16

    Applicant: THE STANDARD OIL COMPANY

    Inventor： GODBOLE, Sanjay, P. ,  PAPARIZOS, Christos ,  SEELY, Michael, J.

    IPC: C07C253/26

    CPC classification number: C07C253/26 ,  Y02P20/52 ,  C07C255/03 ,  C07C255/08

    Abstract: A process for increasing the yield of acetonitrile produced during the manufacture of acrylonitrile comprising introducing a hydrocarbon selected from the group consisting of propylene and propane, a carboxylic acid, ammonia and air into a reaction zone containing an ammoxidation catalyst, reacting the hydrocarbon, carboxylic acid, ammonia and oxygen over said catalyst at an elevated temperature to produce acrylonitrile, hydrogen cyanide and acetonitrile, and recovering the acrylonitrile, hydrogen cyanide and acetonitrile from the reactor.

    Abstract translation: 一种提高丙烯腈生产过程中产生的乙腈产率的方法，包括将选自丙烯和丙烷，羧酸，氨和空气的烃引入到含有氨氧化催化剂的反应区中，使烃，羧酸 ，氨和氧气在所述催化剂上升高，以产生丙烯腈，氰化氢和乙腈，并从反应器回收丙烯腈，氰化氢和乙腈。

    PROCESS FOR THE PURIFICATION OF OLEFINICALLY UNSATURATED NITRILES
    4.
    发明申请
    PROCESS FOR THE PURIFICATION OF OLEFINICALLY UNSATURATED NITRILES 审中-公开
    纯化不饱和硝酸盐的方法

    公开(公告)号：WO2005070880A1

    公开(公告)日：2005-08-04

    申请号：PCT/US2005/000557

    申请日：2005-01-06

    Applicant: The Standard Oil Company

    Inventor： GODBOLE, Sanjay, P. ,  KANTAK, Milind, V. ,  WAHNSCHAFFT, Oliver, M.

    IPC: C07C253/34

    CPC classification number: C07C253/34 ,  C07C255/08

    Abstract: A process for the recovery and purification of olefinically unsaturated nitriles from a process stream produced by the ammoxidation of a hydrocarbon feedstock comprising contacting the process stream comprising olefinically unsaturated nitrile with an aqueous quench liquid in a quench apparatus to produce a gaseous quench effluent comprising olefinically unsaturated nitrile; contacting the gaseous quench effluent with a liquid comprising water in an absorber apparatus to form an aqueous mixture comprising absorbed olefinically unsaturated nitrile; withdrawing from the absorber apparatus a side-draw stream comprising water and a bottoms stream comprising olefinically unsaturated nitrile; introducing the bottoms stream to a first distillation column where the bottoms stream is distilled in an extractive distillation to form a top fraction comprising olefinically unsaturated nitrile, and directing the sidedraw stream comprising water to the upper portion of the first distillation column to assist with the extractive distillation of the olefinically unsaturated nitrile in the first distillation column.

    Abstract translation: 一种从通过烃原料的氨氧化生产的工艺流中回收和纯化烯属不饱和腈的方法，包括在骤冷装置中使包含烯属不饱和腈的工艺流与水淬火液体接触以产生包含烯属不饱和的气态骤冷流出物 腈; 在吸收器装置中使气体淬火流出物与包含水的液体接触以形成含有吸收的烯属不饱和腈的含水混合物; 从吸收器装置中抽出包含水的侧馏分流和包含烯属不饱和腈的底部料流; 将塔底物流引入第一蒸馏塔，其中底部物流在萃取蒸馏中蒸馏以形成包含烯属不饱和腈的顶馏分，并将包含水的侧面流引导到第一蒸馏塔的上部以辅助提取物 蒸馏第一蒸馏塔中的烯属不饱和腈。

    PROCESS FOR RECOVERING ACRYLONITRILE OR METHACRYLONITRILE
    5.
    发明申请
    PROCESS FOR RECOVERING ACRYLONITRILE OR METHACRYLONITRILE 审中-公开
    回收丙烯腈或甲基丙烯酸酯的方法

    公开(公告)号：WO2004063145A1

    公开(公告)日：2004-07-29

    申请号：PCT/US2003/038691

    申请日：2003-12-05

    Applicant: THE STANDARD OIL COMPANY

    Inventor： GODBOLE, Sanjay, P. ,  CESA, Mark, C.

    IPC: C07C253/26

    CPC classification number: C07C253/26 ,  C07C253/34 ,  C07C255/08

    Abstract: A process for the recovery of acrylonitrile or methacrylonitrile from an aqueous solution comprising subjecting the said solution to a water extractive distillation by feeding the solution to a distillation column and performing said extractive distillation and using solvent water introduced at the top of said column, removing a first overhead vapor stream of acrylonitrile or methacrylonitrile with some water from the top of the column, and a first liquid stream containing water and impurities from the bottom of the column, the contents of said column maintained at a substantially neutral pH by adding a sufficient amount of at least one alkaline compound selected from ammonium carbonate, ammonium bicarbonate, ammonium carbamate, and aikylene diamines to the overhead decanter and/or to the solvent water.

    Abstract translation: 一种从水溶液中回收丙烯腈或甲基丙烯腈的方法，包括通过将溶液加入蒸馏塔进行萃取蒸馏，并进行萃取蒸馏，并使用引入塔的顶部的溶剂水，除去 丙烯腈或甲基丙烯腈与来自塔顶部的一些水的第一塔顶蒸气流和从塔底部含有水和杂质的第一液流，所述塔的内容物通过加入足量的量保持在基本上中性的pH 的至少一种选自碳酸铵，碳酸氢铵，氨基甲酸铵和亚丁基二胺的碱性化合物加入到塔顶馏分器和/或溶剂水中。

    AMMOXIDATION OF A MIXTURE OF ALCOHOLS TO A MIXTURE OF NITRILES TO ACETONITRILE AND HCN
    6.
    发明申请
    AMMOXIDATION OF A MIXTURE OF ALCOHOLS TO A MIXTURE OF NITRILES TO ACETONITRILE AND HCN 审中-公开
    将醇混合物混合到氮氧化物与乙腈混合物中

    公开(公告)号：WO2002070465A1

    公开(公告)日：2002-09-12

    申请号：PCT/US2001/006881

    申请日：2001-03-05

    Applicant: THE STANDARD OIL COMPANY

    Inventor： GODBOLE, Sanjay, P. ,  SEELY, Michael, J. ,  SURESH, Dev, D.

    IPC: C07C253/26

    CPC classification number: C07C253/26 ,  C07C253/24 ,  Y02P20/52 ,  C07C255/08

    Abstract: A process for increasing the yield of one or both co-products HCN and acetonitrile produced during the manufacture of acrylonitrile comprising introducing a hydrocarbon selected from the group consisting of propylene and propane, a mixture comprising one or more alcohols selected from crude methanol, crude ethanol or crude propanol, ammonia and air into a reaction zone containing an ammoxidation catalyst, reacting the hydrocarbon, alcohol, ammonia and oxygen over said catalyst at an elevated temperature to produce acrylonitrile, hydrogen cyanide and acetonitrile, and recovering the acrylonitrile, hydrogen cyanide and acetonitrile from the reactor.

    Abstract translation: 一种用于提高在制备丙烯腈期间产生的一种或两种共同产物HCN和乙腈的产率的方法，包括引入选自丙烯和丙烷的烃，包含一种或多种选自粗甲醇，粗乙醇 或粗丙醇，氨和空气加入到含有氨氧化催化剂的反应区中，在高温下使烃，醇，氨和氧在所述催化剂上反应，以产生丙烯腈，氰化氢和乙腈，并回收丙烯腈，氰化氢和乙腈 从反应堆。

    PROCESS FOR THE PURIFICATION OF OLEFINICALLY UNSATURATED NITRILES
    9.
    发明公开
    PROCESS FOR THE PURIFICATION OF OLEFINICALLY UNSATURATED NITRILES 审中-公开
    方法进行精制不饱和烯NITRILES

    公开(公告)号：EP1701935A1

    公开(公告)日：2006-09-20

    申请号：EP05705285.4

    申请日：2005-01-06

    Applicant: THE STANDARD OIL COMPANY

    Inventor： GODBOLE, Sanjay, P. ,  KANTAK, Milind, V. ,  WAHNSCHAFFT, Oliver, M.

    IPC: C07C253/34 ,  C07C255/08

    CPC classification number: C07C253/34 ,  C07C255/08

    Abstract: A process for the recovery and purification of olefinically unsaturated nitriles from a process stream produced by the ammoxidation of a hydrocarbon feedstock comprising contacting the process stream comprising olefinically unsaturated nitrile with an aqueous quench liquid in a quench apparatus to produce a gaseous quench effluent comprising olefinically unsaturated nitrile; contacting the gaseous quench effluent with a liquid comprising water in an absorber apparatus to form an aqueous mixture comprising absorbed olefinically unsaturated nitrile; withdrawing from the absorber apparatus a side-draw stream comprising water and a bottoms stream comprising olefinically unsaturated nitrile; introducing the bottoms stream to a first distillation column where the bottoms stream is distilled in an extractive distillation to form a top fraction comprising olefinically unsaturated nitrile, and directing the sidedraw stream comprising water to the upper portion of the first distillation column to assist with the extractive distillation of the olefinically unsaturated nitrile in the first distillation column.

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