公开(公告)号：US07132579B2

公开(公告)日：2006-11-07

申请号：US10480279

申请日：2002-06-20

Applicant: Noriaki Oku ,  Tateo Seo ,  Kiyoshi Iwanaga

Inventor： Noriaki Oku ,  Tateo Seo ,  Kiyoshi Iwanaga

IPC: C07C17/38 ,  B01D61/00

CPC classification number: C01B7/0743 ,  C07C17/02 ,  Y02P20/582 ,  C07C19/045

Abstract: A method for chlorine purification in which crude chlorine containing nitrogen and/or oxygen is purified to separate the nitrogen and oxygen from the chloride, characterized in that the crude chlorine containing nitrogen and/or oxygen is contacted with 1,2-dichloroethane to cause the 1,2-dichloroethane to absorb the chlorine contained in the crude chlorine, and a process for producing 1,2-dichloroethane which comprises reacting ethylene with the chlorine contained in the chlorine containing 1,2-dichloroethane.

Abstract translation: 一种纯化氯气的方法，其中纯化含有氮气和/或氧气的粗氯气以从氯离子中分离出氮和氧，其特征在于，将含有粗氮气和/或氧气的原油与1,2-二氯乙烷接触， 1,2-二氯乙烷以吸收粗氯中所含的氯，以及1,2-二氯乙烷的制备方法，其包括使乙烯与含氯1,2-二氯乙烷中所含的氯反应。

公开(公告)号：US20050148799A1

公开(公告)日：2005-07-07

申请号：US10504549

申请日：2003-02-07

Applicant: Tateo Seo ,  Noriaki Oku

Inventor： Tateo Seo ,  Noriaki Oku

IPC: C07C407/00 ,  C07C409/10 ,  C07C409/12 ,  C07C409/00

CPC classification number: C07C409/12 ,  C07C407/00 ,  C07C409/10

Abstract: A process for oxidizing a liquid component with an oxygen-containing gas, wherein the oxidation is carried out under a condition of an agitation power per unit volume of 10.0 to 500 kg•m/sec/m3.

Abstract translation: 一种用含氧气体氧化液体组分的方法，其中氧化在每单位体积的搅拌功率10.0至500kg.m / sec / m 3的条件下进行。

公开(公告)号：US06646140B2

公开(公告)日：2003-11-11

申请号：US10220503

申请日：2002-12-04

Applicant: Noriaki Oku ,  Tateo Seo

Inventor： Noriaki Oku ,  Tateo Seo

IPC: C07D30119

CPC classification number: C07D301/19 ,  Y02P20/52

Abstract: A process for producing an oxirane compound from 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) fresh ethylbenzene hydroperoxide is divided into portions, which are supplied to respective inlets of the catalyst beds, (3) 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.

Abstract translation: 一种在固定化催化剂床存在下由乙苯氢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n个催化剂床和 催化剂床串联使用，其中n为2以上的整数，（2）新鲜乙苯氢过氧化物分为部分供给到各催化剂床的入口，（3）将新鲜烯烃供给到入口 的第一催化剂床，和（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应到随后的催化剂床的入口。

公开(公告)号：US06646138B2

公开(公告)日：2003-11-11

申请号：US10042136

申请日：2002-01-11

Applicant: Noriaki Oku ,  Tateo Seo

Inventor： Noriaki Oku ,  Tateo Seo

IPC: C07D30119

CPC classification number: C07D301/19 ,  Y02P20/52

Abstract: A process for producing propylene oxide comprising the following steps: oxidation step: a step of obtaining isopropylbenzene hydroperoxide by oxidizing isopropylbenzene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting propylene with isopropylbenzene hydroperoxide obtained in the oxidation step; hydrogenolysis step: a step of obtaining isopropylbenzene by hydrogenolyzing cumyl alcohol obtained in the epoxidation step, and recycling this isopropylbenzene to the oxidation step as a raw material of the oxidation step; and organic acid removal step: a step of removing an organic acid out of the system in at least one point in said steps or between said steps.

Abstract translation: 一种生产环氧丙烷的方法，包括以下步骤：氧化步骤：通过氧化异丙苯获得异丙苯氢过氧化物的步骤;环氧化步骤：通过丙烯与氧化步骤中获得的异丙苯氢过氧化物反应获得环氧丙烷和异丙苯的步骤;氢解步骤 ：通过在环氧化步骤中得到的异丙苯氢解得到异丙苯的步骤，将该异丙苯作为氧化步骤的原料回收到氧化步骤; 无机酸去除步骤：在所述步骤中或所述步骤中的至少一个点将有机酸从体系中除去的步骤。

公开(公告)号：US20050092593A1

公开(公告)日：2005-05-05

申请号：US10504548

申请日：2003-02-07

Applicant: Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

Inventor： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

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

CPC classification number: C07D301/32

Abstract: 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.

Abstract translation: 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

Applicant: Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

Inventor： Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

IPC: C07D301/32

CPC classification number: C07D303/04 ,  C07D301/32

Abstract: 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.

Abstract translation: 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

Applicant: Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

Inventor： Noriaki Oku ,  Toshio Nakayama ,  Koji Shinohara

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

CPC classification number: C07D301/32

Abstract: 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.

Abstract translation: 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

Applicant: Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

Inventor： Toshio Nakayama ,  Junpei Tsuji ,  Noriaki Oku ,  Koji Shinohara

IPC: C07D301/32

CPC classification number: C07D303/04 ,  C07D301/32

Abstract: 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.

Abstract translation: 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

Applicant: Noriaki Oku ,  Masaru Ishino

Inventor： Noriaki Oku ,  Masaru Ishino

IPC: B01D334

CPC classification number: C07D301/32

Abstract: 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.

Abstract translation: 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

Applicant: Noriaki Oku ,  Toshikazu Omae

Inventor： Noriaki Oku ,  Toshikazu Omae

IPC: C07D30119

CPC classification number: C07D301/19

Abstract: 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.

Abstract translation: 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。