公开(公告)号：US20070270610A1

公开(公告)日：2007-11-22

申请号：US11587990

申请日：2004-10-20

申请人： Kimikatsu Jinno ,  Yusushi Ogawa ,  Yoshiro Suzuki ,  Shuhei Yada

发明人： Kimikatsu Jinno ,  Yusushi Ogawa ,  Yoshiro Suzuki ,  Shuhei Yada

IPC分类号： C07C45/27

CPC分类号： C07C51/252 ,  B01J23/002 ,  B01J23/8876 ,  B01J23/94 ,  B01J38/12 ,  B01J2523/00 ,  C07C45/33 ,  C07C45/35 ,  C07C51/215 ,  Y02P20/584 ,  C07C47/22 ,  C07C57/04 ,  B01J2523/12 ,  B01J2523/13 ,  B01J2523/305 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

摘要： An object of the invention is to provide a method for producing a reaction gas including (meth)acrylic acid or (meth)acrolein by carrying out a catalytic gas phase oxidation process by supplying propylene, propane, or isobutylene and a gas containing molecular oxygen into a reactor having a catalyst filled therein, wherein such a method is provided, which does not lower the reaction activity of a catalyst and selectivity of target products when re-starting the running after shutdown of the catalytic gas phase oxidation process. The invention relates to a method for producing (meth)acrylic acid or (meth)acrolein, comprising a catalytic gas phase oxidation process for producing (meth)acrylic acid or (meth)acrolein by supplying propylene, propane, or isobutylene and a gas containing molecular oxygen in a reactor having a catalyst filled therein, wherein a gas containing molecular oxygen is supplied in a reactor having the catalyst filled therein during shutdown of the catalytic gas phase oxidation process.

摘要翻译： 本发明的目的是提供一种通过将丙烯，丙烷或异丁烯和含有分子氧的气体进行催化气相氧化处理来制备包含（甲基）丙烯酸或（甲基）丙烯醛的反应气体的方法， 其中填充有催化剂的反应器，其中提供了这样的方法，其在催化气相氧化过程停止后重新启动运行时不降低催化剂的反应活性和目标产物的选择性。 本发明涉及一种制备（甲基）丙烯酸或（甲基）丙烯醛的方法，包括通过供应丙烯，丙烷或异丁烯和含有（甲基）丙烯醛的气体制备（甲基）丙烯酸或（甲基）丙烯醛）的催化气相氧化方法 在其中填充催化剂的反应器中的分子氧，其中在催化气相氧化过程停止期间，在其中填充有催化剂的反应器中供应包含分子氧的气体。

公开(公告)号：US07892403B2

公开(公告)日：2011-02-22

申请号：US11578237

申请日：2004-09-07

申请人： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno

发明人： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno

IPC分类号： B01D5/00 ,  C07C51/44 ,  C07C67/54 ,  C07C69/54

CPC分类号： B01D5/003 ,  B01D5/0078 ,  C07C51/50 ,  Y10S203/22 ,  C07C57/04

摘要： A condenser includes: a top face of a tube plate on which acrylic acid may be condensed inside the condenser; a spray for spreading a polymerization inhibitor on the tube plate; a first polymerization inhibitor supply tube for supplying the polymerization inhibitor to the spray; and a supporter for supporting the spray at a predetermined position. The supporter supports the first polymerization inhibitor supply tube outside the condenser. The condenser allows a stable continuous operation for a long period of time by preventing polymerization of an easily polymerizable compound in the condenser into which a vapor of an easily polymerizable compound is supplied with a simple structure thereof.

摘要翻译： 冷凝器包括：管板的顶面，丙烯酸可以在冷凝器内冷凝; 用于在管板上铺展阻聚剂的喷雾剂; 第一聚合抑制剂供应管，用于向喷雾器供应阻聚剂; 以及用于将喷雾支撑在预定位置的支撑件。 支撑体支持冷凝器外的第一个阻聚剂供应管。 冷凝器通过防止容易聚合的化合物在容易聚合的化合物的蒸气以其简单的结构供入的冷凝器中聚合而长期稳定的连续操作。

公开(公告)号：US07189872B2

公开(公告)日：2007-03-13

申请号：US10864498

申请日：2004-06-10

申请人： Shuhei Yada ,  Kiyoshi Takahashi ,  Kenji Takasaki ,  Yasushi Ogawa ,  Kimikatsu Jinno ,  Yoshiro Suzuki

发明人： Shuhei Yada ,  Kiyoshi Takahashi ,  Kenji Takasaki ,  Yasushi Ogawa ,  Kimikatsu Jinno ,  Yoshiro Suzuki

IPC分类号： C07C51/16 ,  C07C51/42

CPC分类号： B01D3/146 ,  C07C51/44 ,  C07C57/04

摘要： Clogging of a distillation column by polymerization caused by a change of the production rate of (meth)acrylic acid, is prevented to carry out a stabilized operation over a long period. A process for producing (meth)acrylic acid, which includes a purification step wherein a (meth)acrylic acid-containing material to be purified is supplied to and distilled by a distillation column, wherein during a cut operation in which the production rate of (meth)acrylic acid is reduced by α% relative to the production rate of (meth)acrylic acid during the ordinary operation, the liquid/gas flow rate in the distillation column is adjusted to be at least (100−α/2)% of the liquid/gas flow rate during the ordinary operation.

摘要翻译： 通过由（甲基）丙烯酸的生成速度的变化引起的聚合引起的蒸馏塔的堵塞被阻止长期进行稳定化的操作。 一种制备（甲基）丙烯酸的方法，其包括纯化步骤，其中将要纯化的（甲基）丙烯酸的物质供应到蒸馏塔并蒸馏，其中在其中生产速率（ 甲基）丙烯酸在常规操作中相对于（甲基）丙烯酸的生产速率降低α％，将蒸馏塔中的液/气流量调节至至少（100-α/ 2）％ 在普通操作期间的液/气流量。

公开(公告)号：US07544836B2

公开(公告)日：2009-06-09

申请号：US11596287

申请日：2004-10-25

申请人： Kimikatsu Jinno ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Shuhei Yada

发明人： Kimikatsu Jinno ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Shuhei Yada

IPC分类号： C07C51/16 ,  C07C51/235

CPC分类号： B01J8/0085 ,  B01J8/065 ,  B01J8/067 ,  B01J2208/00212 ,  B01J2208/00796 ,  B01J2208/00849 ,  B01J2219/00245 ,  C07C45/33 ,  C07C45/35 ,  C07C51/215 ,  C07C51/252 ,  C07C47/22 ,  C07C57/04

摘要： An object of the invention is to provide a production method for (meth)acrolein or (meth)acrylic acid which can continue an operation without causing a decomposition reaction of acrolein or the like.According to the invention, provided is a production method for (meth)acrolein or (meth)acrylic acid, in which (meth)acrolein or (meth) acrylic acid is obtained by performing a catalytic gas phase oxidation on propylene, propane or isobutylene by using oxygen by means of a heat-exchange type multi-tubular reactor, having a tube bundle portion in which a multiple of reaction tubes each filled with a catalyst are aligned in parallel to one another and a tube plate which is adjacent to a downstream side of the tube bundle portion of the reaction tubes and forms a lead-out portion for a reaction gas, in which the tube bundle portion of the reaction tubes has a hollow-columnar constitution as a whole, and which is characterized in that a rectifier is provided on a tube plate.

摘要翻译： 本发明的目的是提供一种可以继续操作而不引起丙烯醛等的分解反应的（甲基）丙烯醛或（甲基）丙烯酸的制备方法。 根据本发明，提供了（甲基）丙烯醛或（甲基）丙烯酸的制备方法，其中通过对丙烯，丙烷或异丁烯进行催化气相氧化获得（甲基）丙烯醛或（甲基）丙烯酸） 使用具有管束部分的热交换型多管式反应器的氧气，其中每个填充有催化剂的多个反应管彼此平行排列，并且与下游侧相邻的管板 反应管的管束部分形成反应气体的引出部分，其中反应管的管束部分作为整体具有中空柱状结构，其特征在于整流器是 设在管板上。

公开(公告)号：US07368601B2

公开(公告)日：2008-05-06

申请号：US11526730

申请日：2006-09-26

申请人： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno ,  Hirochika Hosaka ,  Kenji Takasaki ,  Masayasu Goriki

发明人： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno ,  Hirochika Hosaka ,  Kenji Takasaki ,  Masayasu Goriki

IPC分类号： C07C51/42

CPC分类号： C07C51/44 ,  B01D3/14 ,  B01D3/146 ,  B01D3/42 ,  B01D3/4211 ,  C07C67/54 ,  C07C57/04 ,  C07C69/54

摘要： In the stopping and starting operations of a distillation column used for producing (meth)acrylic acids according to the present invention, upon stopping the operation of the distillation column, the heating of a reboiler attached thereto is interrupted and then the reboiler is rapidly cooled; and/or upon starting the operation of the distillation column for production of the (meth)acrylic acids, an inner wall surface of the distillation column is heated to a temperature higher than a condensation temperature of the (meth)acrylic acids and the operation of the distillation column is started under the heated condition. According to the present invention, it is possible to early and safely stop the operation of the distillation column while preventing the occurrence of polymerization within the distillation column, and stably perform an operation for distillation of acrylic monomers for a long period of time.

摘要翻译： 在根据本发明的用于生产（甲基）丙烯酸的蒸馏塔的停止和开始操作中，停止蒸馏塔的操作后，连接的再沸器的加热被中断，然后再沸器被快速冷却; 和/或在开始用于生产（甲基）丙烯酸的蒸馏塔的操作时，将蒸馏塔的内壁表面加热到高于（甲基）丙烯酸的冷凝温度的温度和 蒸馏塔在加热条件下启动。 根据本发明，能够在避免蒸馏塔内发生聚合的同时，早日安全地停止蒸馏塔的运转，并且能够长时间稳定地进行丙烯酸类单体的蒸馏操作。

公开(公告)号：US07258766B2

公开(公告)日：2007-08-21

申请号：US10828340

申请日：2004-04-21

申请人： Shuhei Yada ,  Kimikatsu Jinno ,  Yasushi Ogawa ,  Yoshiro Suzuki

发明人： Shuhei Yada ,  Kimikatsu Jinno ,  Yasushi Ogawa ,  Yoshiro Suzuki

IPC分类号： B01D3/38 ,  B01D3/42 ,  C07C51/42 ,  C07C57/04

CPC分类号： C07C51/43 ,  Y10S203/22 ,  Y10S203/90 ,  C07C57/04

摘要： A method for collecting acrylic acid is provided, which includes the step of collecting acrylic acid using an aqueous medium from a reaction gas containing acrylic acid obtained by catalytic vapor-phase oxidation of propane, propylene, and/or acrolein, the step being conducted so as to satisfy the following formula (1) (B/A)

摘要翻译： 提供一种收集丙烯酸的方法，其包括使用丙烯酸，丙烯和/或丙烯醛的催化气相氧化获得的含有丙烯酸的反应气体的水性介质收集丙烯酸的步骤，所述步骤被进行 满足下式（1）（B / A）<1.25（1）其中A表示丙烯酸与收集丙烯酸前反应气体中所有可冷凝成分的重量分数，B表示丙烯酸的重量分数 在收集步骤中使用的收集装置的底部。 根据该方法，可以从含有通过催化气相氧化得到的丙烯酸的反应气体中有效地收集丙烯酸。

公开(公告)号：US07188639B2

公开(公告)日：2007-03-13

申请号：US10840612

申请日：2004-05-07

申请人： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno ,  Hirochika Hosaka ,  Masayasu Goriki

发明人： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno ,  Hirochika Hosaka ,  Masayasu Goriki

IPC分类号： F16K49/00 ,  F17D1/16

CPC分类号： B01J19/00 ,  B01J2219/00006 ,  B01J2219/00083 ,  B01J2219/00247 ,  B01J2219/00252 ,  B01J2219/00254 ,  Y10T137/0391 ,  Y10T137/6416 ,  Y10T137/6579 ,  Y10T137/85978

摘要： A storage tank for an easily polymerizable compound has acceptance piping and delivery piping with a circulation line directly connecting the acceptance piping to the delivery piping or with circulation lines respectively connecting the acceptance piping to the storage tank and the storage tank to the delivery piping. A method of storing an easily polymerizable compound in the storage tank includes circulating the compound in the storage tank through the circulation line(s), where the compound can be (meth)acrylic acid being produced and/or purified with the temperature of purified (meth)acrylic acid being supplied to or removed from the storage tank being regulated to not be higher than the temperature thereof in the tank. A method of joining pipes for-transporting a corrosive liquid using flanges, bolts, and nuts made of a material having resistance to corrosion by the corrosive liquid.

摘要翻译： 用于容易聚合的化合物的储罐具有接收管道和输送管道，其具有将接收管线直接连接到输送管线的循环管线或分别将接收管路连接到储罐和储存箱的输送管线的循环管线。 将容易聚合的化合物储存在储罐中的方法包括使化合物在储罐中循环通过循环管线，其中化合物可以是纯化的（...）的温度产生和/或纯化的（甲基）丙烯酸 甲基）丙烯酸被提供给或从储罐中取出被调节为不高于罐中的温度。 使用由腐蚀性液体具有耐腐蚀性的材料制成的法兰，螺栓和螺母来连接输送腐蚀性液体的管道的方法。

公开(公告)号：US20050131254A1

公开(公告)日：2005-06-16

申请号：US11049106

申请日：2005-02-03

申请人： Shuhei Yada ,  Hirochika Hosaka ,  Masayasu Goriki ,  Kimikatsu Jinno ,  Yasushi Ogawa ,  Yoshiro Suzuki

发明人： Shuhei Yada ,  Hirochika Hosaka ,  Masayasu Goriki ,  Kimikatsu Jinno ,  Yasushi Ogawa ,  Yoshiro Suzuki

IPC分类号： B01J8/06 ,  C07C45/33 ,  C07C45/35 ,  C07C51/215 ,  C07C51/25 ,  C07C51/16 ,  B01J8/04

CPC分类号： B01J35/026 ,  B01J8/06 ,  B01J8/067 ,  B01J23/002 ,  B01J23/8876 ,  B01J2208/00221 ,  B01J2208/0053 ,  B01J2208/00716 ,  B01J2523/00 ,  C07C45/33 ,  C07C45/35 ,  C07C51/215 ,  C07C51/252 ,  F28D7/1607 ,  F28D2021/0022 ,  F28F9/026 ,  F28F9/028 ,  F28F9/22 ,  F28F2265/10 ,  C07C47/22 ,  C07C57/04 ,  B01J2523/12 ,  B01J2523/13 ,  B01J2523/22 ,  B01J2523/305 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

摘要： A multitube reactor, wherein tubes having smaller tolerance between a nominal size and actual sizes are used as reaction tubes to stably perform a high yield reaction for a long period, a catalyst is filled into the reaction tubes so that the catalyst layer peak temperature portions of the reaction tubes are not overlapped with the connection sites thereof with baffles to effectively prevent hot spots from occurring and stably perform a reaction for a long period without the clogging of the reaction tubes, a heat medium and raw material gas are allowed to flow in the direction of a countercurrent and a specified type of catalyst is filled into the reaction tubes so that activity is increased from the inlet of the raw material gas to the outlet thereof to prevent the autooxidation of products so as to prevent equipment from being damaged due to the reaction, and, at the time of starting, gas with a temperature of 100 to 400° C. is led to the outside of the reaction tubes to increase the temperature of the reaction tubes and, a heat medium, which is solid at the room temperature, is heated to circulate to the outside of the reaction tubes to efficiently start up the reactor without affecting the activity of the catalyst.

摘要翻译： 使用多管反应器，其中具有公称尺寸和实际尺寸之间的较小公差的管用作反应管以长期稳定地进行高产率反应，将催化剂填充到反应管中，使得催化剂层峰值温度部分 反应管不与其连接位置与挡板重叠，以有效地防止热点发生并且长时间稳定地进行反应而不会使反应管堵塞，允许热介质和原料气体流入 将反向的方向和特定类型的催化剂填充到反应管中，使得活性从原料气体的入口到其出口增加，以防止产品的自氧化，从而防止设备因为 反应，并且在起始时，将温度为100〜400℃的气体导入反应管的外部以增加 反应管的温度和在室温下为固体的热介质被加热以循环到反应管的外部，以有效启动反应器而不影响催化剂的活性。

公开(公告)号：US20080234522A1

公开(公告)日：2008-09-25

申请号：US12081916

申请日：2008-04-23

申请人： Shuhei Yada ,  Masayasu Goriki ,  Hirochika Hosaka ,  Kimikatsu Jinno ,  Teruo Saito ,  Yoshiro Suzuki

发明人： Shuhei Yada ,  Masayasu Goriki ,  Hirochika Hosaka ,  Kimikatsu Jinno ,  Teruo Saito ,  Yoshiro Suzuki

IPC分类号： C07C45/33 ,  C07C45/35 ,  C07C51/25 ,  B01J8/02

CPC分类号： B01J8/003 ,  B01J8/0085 ,  B01J8/067 ,  B01J23/002 ,  B01J23/28 ,  B01J23/31 ,  B01J23/8876 ,  B01J35/026 ,  B01J2208/00212 ,  B01J2208/00221 ,  B01J2208/00513 ,  B01J2208/00539 ,  B01J2208/00663 ,  B01J2208/00752 ,  B01J2523/00 ,  C07C45/33 ,  C07C45/35 ,  C07C51/252 ,  C07C47/22 ,  C07C57/04 ,  B01J2523/12 ,  B01J2523/13 ,  B01J2523/305 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

摘要： An object of the present invention is to provide a method for vapor phase catalytic oxidation which is almost free of variations in reaction states in respective reaction tubes of the fixed bed multi-tube heat-exchanger type reactor.Provided is a method for vapor phase catalytic oxidation for obtaining a reaction product gas by using a fixed bed multi-tube heat-exchanger type reactor provided with a plurality of reaction tubes and by feeding a raw material gas inside the reaction tubes packed with a catalyst, wherein the method comprises: adjusting pressure losses of the respective reaction tubes so that the pressure losses of the respective reaction tubes after catalyst packing is within ±20% of an average pressure loss of the reaction tubes by: packing an inert substance at a raw material gas inlet portion of the reaction tubes or removing and re-packing the catalyst packed, for a reaction tube having a pressure loss lower than the average pressure loss of the reaction tubes; and removing and re-packing the catalyst packed, for a reaction tube having a pressure loss higher than the average pressure loss of the reaction tubes.

公开(公告)号：US20080228001A1

公开(公告)日：2008-09-18

申请号：US11597365

申请日：2004-11-05

申请人： Yasushi Ogawa ,  Shuhei Yada ,  Yoshiro Suzuki ,  Kenji Takasaki ,  Kimikatsu Jinno

发明人： Yasushi Ogawa ,  Shuhei Yada ,  Yoshiro Suzuki ,  Kenji Takasaki ,  Kimikatsu Jinno

IPC分类号： C07C27/12 ,  C07C47/22

CPC分类号： B01J23/8876 ,  B01J23/002 ,  B01J2523/00 ,  C07C45/33 ,  C07C45/35 ,  C07C51/252 ,  C07C47/22 ,  C07C57/04 ,  B01J2523/12 ,  B01J2523/13 ,  B01J2523/22 ,  B01J2523/305 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

摘要： An object of the present invention is to provide a method for producing (meth)acrylic acid or (meth)acrolein by conducting a gas phase catalytic oxidation reaction with an oxygen-containing gas using as a raw material at least one substance to be oxidized selected from propylene, propane, isobutylene and (meth)acrolein using a multi-tubular reactor, which enables a high yield and stable production even when operating constantly with supplying the raw material in the maximum supply amount acceptable by the reactor or an amount close thereto.The invention is a method for producing (meth)acrylic acid or (meth)acrolein wherein, at the time of a start-up of the reaction, for a period of at least 20 hours or more after the supply amount of the raw material to the reactor per unit time reached 30% or more of the acceptable maximum supply amount of the raw material per unit time, the supply amount of the raw material per unit time is kept at 30% or more and less than 80% of the acceptable maximum supply amount.

摘要翻译： 本发明的目的是提供一种通过与含氧气体进行气相催化氧化反应来生产（甲基）丙烯酸或（甲基）丙烯醛的方法，该方法使用至少一种待氧化物质作为原料 使用多管式反应器由丙烯，丙烷，异丁烯和（甲基）丙烯醛组成，即使在以反应器可接受的最大供给量或其附近的量供给原料的情况下，也可以连续运转，能够实现高产率和稳定的生产。 本发明是一种生产（甲基）丙烯酸或（甲基）丙烯醛的方法，其中在反应开始时至少20小时以上，在原料供给量至 每单位时间的反应器达到每单位时间内可接受的原料最大供应量的30％以上，每单位时间的原料供应量保持在可接受最大值的30％以上且小于80％ 供应量