公开(公告)号：US06620951B2

公开(公告)日：2003-09-16

申请号：US10221374

申请日：2002-09-12

申请人： Noriaki Oku ,  Masaaki Katao

发明人： Noriaki Oku ,  Masaaki Katao

IPC分类号： C07D30119

CPC分类号： C07D301/19 ,  Y02P20/52

摘要： A process for producing an oxirane compound from an organic peroxide other than ethylbenzene hydroperoxide and an olefin in the presence of an immobilized catalyst bed, wherein the process satisfies the following conditions (1) to (4): (1) the catalyst bed is divided into n catalyst beds and the catalyst beds are used in series, wherein n is an integer of 2 or more, (2) a fresh organic peroxide is divided into portions, which are supplied to respective inlets of the catalyst beds, (3) a fresh olefin is supplied to the inlet of the first catalyst bed, and (4) the reaction mixture discharged from each outlet of respective catalyst beds excluding the final catalyst bed is supplied to the inlet of the subsequent catalyst bed.

摘要翻译： 一种在固定化催化剂床存在下由有机过氧化物和烯烃生产环氧乙烷化合物的方法，其中该方法满足以下条件（1）至（4）：（1）催化剂床分为 将催化剂床和催化剂床串联使用，其中n为2以上的整数，（2）将新鲜的有机过氧化物分成供给到各催化剂床的入口的部分，（3）a 新鲜的烯烃被供给到第一催化剂床的入口，并且（4）从除了最终催化剂床之外的各个催化剂床的每个出口排出的反应混合物被供给到随后的催化剂床的入口。

公开(公告)号：US20060100468A1

公开(公告)日：2006-05-11

申请号：US10541848

申请日：2003-12-18

申请人： Noriaki Oku ,  Masaaki Katao

发明人： Noriaki Oku ,  Masaaki Katao

IPC分类号： C07C5/03

CPC分类号： C07C5/03

摘要： A process for hydrogenating an olefin, which comprises upwardly passing a liquid containing an olef in and a gas containing hydrogen through a packed bed of a solid hydrogenation catalyst, wherein the superficial velocity of the gas is 3.0 cm/sec or more.

摘要翻译： 一种用于使烯烃氢化的方法，其包括将含有烯烃的液体和含有氢的气体向上通过固体氢化催化剂的填充床，其中气体的表观速度为3.0厘米/秒以上。

公开(公告)号：US20050092593A1

公开(公告)日：2005-05-05

申请号：US10504548

申请日：2003-02-07

申请人： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

发明人： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

IPC分类号： C07D301/32 ,  C07D303/04 ,  B01D3/42 ,  B01D3/34

CPC分类号： C07D301/32

摘要： A process for purifying propylene oxide characterized by Subjecting a liquid reaction mixture containing propylene oxide, and water, hydrocarbons and oxygen-containing organic compounds as impurities obtained by reacting cumene hydroperoxide with propylene to extractive distillation using an extractant of a hydrocarbon having 7 to 20 carbon atoms with an extractive distillation column, and controlling a concentration of propylene glycol in the extractant supplied to the extractive distillation column to 20% by weight or less.

摘要翻译： 一种净化环氧丙烷的方法，其特征在于，使用含有环氧丙烷的液体反应混合物和水，烃和含氧有机化合物作为通过使用氢过氧化枯烯和丙烯反应获得的杂质，使用具有7至20个碳的烃的萃取剂进行萃取蒸馏 将萃取蒸馏塔的萃取剂中丙二醇的浓度控制在20重量％以下。

公开(公告)号：US20080035468A1

公开(公告)日：2008-02-14

申请号：US11570615

申请日：2005-06-21

申请人： Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

发明人： Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

IPC分类号： C07D301/32

CPC分类号： C07D303/04 ,  C07D301/32

摘要： A method of purifying propylene oxide, which comprises subjecting the propylene oxide containing methyl formate as an impurity to extractive distillation using a hydrocarbon of 7 to 10 carbon atoms as an extractant with an extractive distillation column, adding water to the distillate from the overhead of the extractive distillation column to conduct oil-water separation, recycling the oil layer separated to the extractive distillation column, removing the aqueous layer outside the system thereby to obtain propylene oxide in which a methyl formate concentration is reduced as a bottom liquid of the extractive distillation column.

摘要翻译： 一种净化环氧丙烷的方法，其包括使用含有7〜10个碳原子的烃作为萃取蒸馏塔的含有甲酸甲酯的环氧丙烷作为杂质进行萃取蒸馏，从馏出物的塔顶馏出物向馏出液中加入水 萃取蒸馏塔进行油水分离，将分离的油层再循环到萃取蒸馏塔，除去体系外的水层，得到甲酸甲酯浓度降低的环氧丙烷，作为萃取蒸馏塔的底部液体 。

公开(公告)号：US07285187B2

公开(公告)日：2007-10-23

申请号：US10504548

申请日：2003-02-07

申请人： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

发明人： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

IPC分类号： B01D3/40 ,  B01D3/42 ,  C07D301/32 ,  C07D303/04

CPC分类号： C07D301/32

摘要： A process for purifying propylene oxide characterized by subjecting a liquid reaction mixture containing propylene oxide, and water, hydrocarbons and oxygen-containing organic compounds as impurities obtained by reacting cumene hydroperoxide with propylene to extractive distillation using an extractant of a hydrocarbon having 7 to 20 carbon atoms with an extractive distillation column, and controlling a concentration of propylene glycol in the extractant supplied to the extractive distillation column to 20% by weight or less.

摘要翻译： 一种净化环氧丙烷的方法，其特征在于，使用含有环氧丙烷的液体反应混合物和水，烃和含氧有机化合物作为通过使异丙基氢过氧化氢与丙烯反应获得的杂质，使用具有7至20碳的烃的萃取剂进行萃取蒸馏 将萃取蒸馏塔的萃取剂中丙二醇的浓度控制在20重量％以下。

公开(公告)号：US08093412B2

公开(公告)日：2012-01-10

申请号：US11570615

申请日：2005-06-21

申请人： Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

发明人： Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

IPC分类号： C07D301/32

CPC分类号： C07D303/04 ,  C07D301/32

摘要： A method of purifying propylene oxide, which comprises subjecting the propylene oxide containing methyl formate as an impurity to extractive distillation using a hydrocarbon of 7 to 10 carbon atoms as an extractant with an extractive distillation column, adding water to the distillate from the overhead of the extractive distillation column to conduct oil-water separation, recycling the oil layer separated to the extractive distillation column, removing the aqueous layer outside the system thereby to obtain propylene oxide in which a methyl formate concentration is reduced as a bottom liquid of the extractive distillation column.

摘要翻译： 一种净化环氧丙烷的方法，其包括使用含有7〜10个碳原子的烃作为萃取蒸馏塔的含有甲酸甲酯的环氧丙烷作为杂质进行萃取蒸馏，从馏出物的塔顶馏出物向馏出液中加入水 萃取蒸馏塔进行油水分离，将分离的油层再循环到萃取蒸馏塔，除去体系外的水层，得到甲酸甲酯浓度降低的环氧丙烷，作为萃取蒸馏塔的底部液体 。

公开(公告)号：US06736941B2

公开(公告)日：2004-05-18

申请号：US10258411

申请日：2002-10-24

申请人： Noriaki Oku ,  Masaru Ishino

发明人： Noriaki Oku ,  Masaru Ishino

IPC分类号： B01D334

CPC分类号： C07D301/32

摘要： A process is described for purifying propylene oxide, which includes the step of distilling propylene oxide containing impurities in the presence of a hydrocarbon having 5 carbon atoms or less. According to the present invention, a process is provided for purifying propylene oxide which has a feature that impurities contained in a solution containing propylene oxide to be purified can be efficiently removed. Oxygen-containing impurities, in particular, can be very efficiently removed.

摘要翻译： 描述了用于纯化环氧丙烷的方法，其包括在具有5个或更少碳原子的烃存在下蒸馏含有杂质的环氧丙烷的步骤。 根据本发明，提供了一种净化环氧丙烷的方法，其特征在于可以有效地除去含有待纯化的环氧丙烷的溶液中所含的杂质。 特别是含氧杂质可以非常有效地去除。

公开(公告)号：US06600054B2

公开(公告)日：2003-07-29

申请号：US10221366

申请日：2002-09-12

申请人： Noriaki Oku ,  Toshikazu Omae

发明人： Noriaki Oku ,  Toshikazu Omae

IPC分类号： C07D30119

CPC分类号： C07D301/19

摘要： A process for producing propylene oxide, which comprises steps described below, wherein isopropylbenzene hydroperoxide supplied to an epoxidation step has not undergone a heat history including heating at a temperature not lower than the temperature (t° C.) represented by the following equation (1), t(° C.)=150−0.8×W  (1) W: content (% by weight) of isopropylbenzene hydroperoxide in a solution containing isopropylbenzene hydroperoxide: oxidation step; a step in which isopropylbenzene is oxidized to obtain isopropylbenzene hydroperoxide, epoxidation step; a step in which isopropylbenzene hydroperoxide obtained in the oxidation step is reacted with propylene to obtain propylene oxide and cumyl alcohol, and hydrogenolysis step; a step in which cumyl alcohol obtained in the epoxidation step is subjected to hydrogenolysis to obtain isopropylbenzene, and said isopropylbenzene is recycled to the oxidation step as a raw material for the oxidation step.

摘要翻译： 一种生产环氧丙烷的方法，其包括以下步骤，其中提供给环氧化步骤的异丙基苯氢过氧化物没有经历热历程，包括在不低于由下式（1）表示的温度（t℃）的温度下加热 ），W：含异丙基苯氢过氧化物的溶液中异丙苯氢过氧化物的含量（重量％）：氧化步骤; 异丙苯氧化得到异丙基苯氢过氧化物的步骤，环氧化步骤; 在氧化步骤中得到的异丙基苯氢过氧化物与丙烯反应得到环氧丙烷和枯
醇，并进行氢解步骤; 将在环氧化步骤中得到的异丙醇进行氢解以获得异丙基苯的步骤，并将所述异丙基苯循环到氧化步骤作为氧化步骤的原料。

公开(公告)号：US07053226B2

公开(公告)日：2006-05-30

申请号：US10489241

申请日：2002-09-10

申请人： Junpei Tsuji ,  Noriaki Oku

发明人： Junpei Tsuji ,  Noriaki Oku

IPC分类号： C07D301/19 ,  C07C1/22 ,  C07C1/24

CPC分类号： C07D301/19 ,  C07C1/20 ,  C07C2523/72 ,  C07D301/16 ,  C07D303/04 ,  Y02P20/52 ,  C07C15/085

摘要： A process for producing cumene, characterized by preparing a copper-based catalyst by reducing a copper-based catalyst precursor containing copper in an oxidized state with hydrogen in liquid cumene, and subjecting cumyl alcohol to hydrogenolysis in the presence of the copper-based catalyst, and a process for producing propylene oxide which includes that process.

摘要翻译： 一种异丙基苯的制造方法，其特征在于，在氢氧化状态下，通过将含有铜的铜系催化剂前体与液态异丙基苯中的氢还原而制备铜系催化剂，在铜系催化剂的存在下，使枯烯醇进行氢解， 以及包括该方法的环氧丙烷的制造方法。

公开(公告)号：US20050082159A1

公开(公告)日：2005-04-21

申请号：US10504425

申请日：2003-02-07

申请人： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

发明人： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

IPC分类号： C07D303/04 ,  C07D301/19 ,  C07D301/32 ,  B01D3/34

CPC分类号： C07D301/32

摘要： A process for purifying propylene oxide, which comprises using a liquid reaction mixture containing propylene oxide, and water, hydrocarbons and oxygen-containing organic compounds as impurities obtained by reacting cumene hydroperoxide with propylene, as a liquid raw material, and separating and recovering propylene oxide from the liquid raw material, wherein the process comprises the following steps: first step; a step of subjecting the liquid raw material to extractive distillation using a hydrocarbon of 7 to 10 carbons as an extractant to separate into the overhead stream containing most of water and the oxygen-containing impurities and the bottom stream containing propylene oxide, the hydrocarbons and the extractant, second step; a step of subjecting the bottom stream to extractive distillation using a hydrocarbon of 7 to 10 carbons as an extractant to separate into the overhead containing propylene oxide and the bottom stream containing hydrocarbons and the extractant, and third step; subjecting the extractant used in the first step and/or second step to distillation to purify the extractant, wherein the bottom temperature of the distillation column or extractive distillation column in each of the steps is 130° C. or lower.

摘要翻译： 一种净化环氧丙烷的方法，其包括使用含有环氧丙烷的液体反应混合物和水，烃和含氧有机化合物作为通过使异丙基氢过氧化物与丙烯反应获得的杂质作为液体原料，并分离和回收环氧丙烷 从液体原料中，其中该方法包括以下步骤：第一步; 使用7〜10个碳原子的液体原料进行萃取蒸馏的步骤，作为萃取剂，分离成含有大部分水的顶部物流，含氧杂质和含有环氧丙烷的底部物流，烃类和 萃取剂，第二步; 使用碳数为7〜10的碳氢化合物作为萃取剂进行萃取蒸馏的步骤，分离成含有环氧丙烷的塔顶馏出物和含有烃和萃取剂的塔底物流，第三步骤。 将第一步骤和/或第二步骤中使用的萃取剂进行蒸馏以纯化萃取剂，其中每个步骤中蒸馏塔或萃取精馏塔的底部温度为130℃或更低。