公开(公告)号：EP1816129A1

公开(公告)日：2007-08-08

申请号：EP05752930.7

申请日：2005-06-21

申请人： Sumitomo Chemical Company, Limited

发明人： NAKAYAMA, Toshio ,  TSUJI, Junpei ,  OKU, Noriaki ,  SHINOHARA, Koji

IPC分类号： C07D301/32 ,  C07D303/04

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： 一种纯化环氧丙烷的方法，其包括用含有7至10个碳原子的烃作为萃取剂，用萃取蒸馏塔对含有甲酸甲酯作为杂质的环氧丙烷进行萃取蒸馏，将萃取蒸馏塔中的水从塔顶馏出物 萃取蒸馏塔进行油水分离，将分离出的油层再循环至萃取蒸馏塔，除去体系外的水层，从而获得其中甲酸甲酯浓度降低的环氧丙烷作为萃取蒸馏塔的塔底液 。

公开(公告)号：EP1411027A1

公开(公告)日：2004-04-21

申请号：EP02741220.4

申请日：2002-06-20

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  SEO, Tateo ,  IWANAGA, Kiyoshi

IPC分类号： C01B7/01

CPC分类号： C01B7/0743 ,  C07C17/02 ,  Y02P20/582 ,  C07C19/045

摘要： 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.

摘要翻译： 通过从粗氯，含氮和氧的氮气和氧气的分离氯的纯化，包括使粗氯用1,2-二氯乙烷吸收氯。 一个独立的claimsoft包括用于通过与在1,2-二氯乙烷含氯氯反应乙烯生产1,2-二氯乙烷的。

公开(公告)号：EP1433769B1

公开(公告)日：2009-11-11

申请号：EP02798818.7

申请日：2002-09-10

申请人： Sumitomo Chemical Company, Limited

发明人： TSUJI, Junpei ,  OKU, Noriaki

IPC分类号： C07C1/20 ,  C07C15/085 ,  C07D301/19 ,  C07D303/04 ,  C07C1/22

CPC分类号： C07D301/19 ,  C07C1/22 ,  C07C2523/72 ,  Y02P20/132 ,  Y02P20/52 ,  C07C15/085

摘要： A process for producing cumene which comprises subjecting cumyl alcohol to hydrogenolysis in the presence of a copper catalyst, characterized by using hydrogen having a carbon monoxide content of 5 vol.% or lower. The process is applied to cumene production in a hydrogenolysis step in propylene oxide production.

公开(公告)号：EP1266893A1

公开(公告)日：2002-12-18

申请号：EP01912507.9

申请日：2001-03-19

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  KATAO, Masaaki

IPC分类号： C07D301/19

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的存在下由乙苯氢过氧化物和烯烃以外的有机过氧化物制造环氧乙烷化合物的方法，其中该方法满足下列条件（1）至（4）：（1）催化剂床被分开 （2）将新鲜的有机过氧化物分成若干部分，供给各催化剂床的入口，（3）a 新鲜烯烃供给到第一催化剂床的入口，并且（4）从除最终催化剂床以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：EP1266892A1

公开(公告)日：2002-12-18

申请号：EP01912506.1

申请日：2001-03-19

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  SEO, Takeo

IPC分类号： C07D301/19

CPC分类号： C07D301/19 ,  Y02P20/52

摘要： 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.

摘要翻译： 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）将新鲜的烯烃供给到入口 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后续催化剂床的入口。

公开(公告)号：EP1266892B1

公开(公告)日：2006-11-22

申请号：EP01912506.1

申请日：2001-03-19

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  SEO, Takeo

IPC分类号： C07D301/19 ,  C07D303/04 ,  C07B61/00

CPC分类号： C07D301/19 ,  Y02P20/52

摘要： 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.

公开(公告)号：EP1498414A1

公开(公告)日：2005-01-19

申请号：EP03703248.9

申请日：2003-02-07

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  NAKAYAMA, Toshio ,  SHINOHARA, Koji

IPC分类号： C07D301/32 ,  C07D303/04

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而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塔底物流，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馏分，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。

公开(公告)号：EP1382601A1

公开(公告)日：2004-01-21

申请号：EP02718608.9

申请日：2002-04-18

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  TSUJI, Junpei

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

CPC分类号： C07D301/14 ,  C07D301/32 ,  C07D303/04 ,  Y02P20/52

摘要： A process for producing propylene oxide, which comprises steps of reacting propylene with cumene hydroperoxide in the presence of a catalyst to obtain propylene oxide, and subjecting the reaction mixture obtained the above reaction step to distillation and recovering unreacted propylene from the top of a distillation column, wherein a bottom temperature of the distillation column is set at 200°C or lower.

摘要翻译： 一种生产环氧丙烷的方法，该方法包括使丙烯与氢过氧化枯烯在催化剂存在下反应得到环氧丙烷，并将上述反应步骤得到的反应混合物进行蒸馏，并从蒸馏塔顶部回收未反应的丙烯 其中，蒸馏塔的塔底温度设定为200℃以下。

公开(公告)号：EP1243585A1

公开(公告)日：2002-09-25

申请号：EP00944385.4

申请日：2000-07-10

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  SEO, Tateo

IPC分类号： C07D301/19

CPC分类号： C07D301/19 ,  Y02P20/52

摘要： A process for producing propylene oxide comprising the following steps:

the oxidation step: a step of obtaining isopropylbenzene hydroperoxide by oxidizing isopropylbenzene;
the epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting propylene with isopropylbenzene hydroperoxide obtained in the oxidation step;
the 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
the 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.

摘要翻译： 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：通过使丙烯与在氧化步骤中获得的异丙苯氢过氧化物反应来获得环氧丙烷和异丙醇的步骤; 氢解步骤：通过对环氧化步骤中获得的枯基醇进行氢解获得异丙基苯并将该异丙基苯循环至氧化步骤作为氧化步骤的原料的步骤; 和有机酸去除步骤：在所述步骤中的至少一个点或所述步骤之间从系统中除去有机酸的步骤。

公开(公告)号：EP1266895B1

公开(公告)日：2008-07-02

申请号：EP01912509.5

申请日：2001-03-19

申请人： Sumitomo Chemical Company, Limited

发明人： OKU, Noriaki ,  OMAE, Toshikazu

IPC分类号： C07D301/19

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 DEG C) represented by the following equation(1), t ( DEG C) = 150 -0.8 x W 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，包括下述步骤，其中供入环氧化步骤的异丙苯氢过氧化物没有经历加热过程，包括在不低于由下式（1）表示的温度（t℃）的温度下加热; ，t（℃）= 150-0.8×WW：异丙苯氢过氧化物在含有异丙苯氢过氧化物的溶液中的含量（重量％）：氧化步骤; 将异丙苯氧化以获得异丙苯氢过氧化物的步骤，环氧化步骤; 使氧化工序中得到的氢过氧化异丙苯与丙烯反应而得到环氧丙烷和枯基醇的工序和氢解工序; 将环氧化步骤中得到的枯基醇进行氢解以获得异丙基苯的步骤，并且将所述异丙基苯循环至氧化步骤作为用于氧化步骤的原料。