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51. 发明申请

US20080045748A1 Process for Producing (Meth)Acrolein or (Meth)Acrylic Acid 有权
标题翻译：生产（甲基）丙烯醛或（甲基）丙烯酸的方法
公开(公告)号：US20080045748A1
公开(公告)日：2008-02-21
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： C07C51/21 , C07C45/33 , C07C51/215 , C07C45/35
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。

52. 发明授权

US07319162B2 Method of decomposing by-product during the production of (meth)acrylic ester 有权
标题翻译：在（甲基）丙烯酸酯生产过程中分解副产物的方法
公开(公告)号：US07319162B2
公开(公告)日：2008-01-15
申请号：US10870930
申请日：2004-06-21
申请人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
发明人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
IPC分类号： C07C67/48
CPC分类号： C07C67/327 , C07C67/60 , C07C69/54
摘要： A method of decomposing a Michael addition reaction product formed as a by-product in the production step of a(meth)acrylic ester and recovering (meth)acrylic acid, a (meth)acrylic ester and an alcohol, in which the formation of an olefin as a by-product can be suppressed. A method of thermally decomposing a by-product at the time of production of a (meth)acrylic ester using an alcohol bearing a branched chain and having 3 or more carbon atoms, wherein the decomposition reaction is carried out in the absence of a catalyst.
摘要翻译：在（甲基）丙烯酸酯的制备步骤中分解作为副产物形成的迈克尔加成反应产物和回收的（甲基）丙烯酸，（甲基）丙烯酸酯和醇的方法，其中形成可以抑制作为副产物的烯烃。使用带有支链并具有3个或更多个碳原子的醇生产（甲基）丙烯酸酯时副产物热分解的方法，其中分解反应在不存在催化剂的情况下进行。

53. 发明申请

US20070270610A1 Process for producing (Meth)Acrylic Acid or (Meth)Acrolein 有权
标题翻译：制备（甲基）丙烯酸或（甲基）丙烯醛的方法
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。

54. 发明授权

US07041849B2 Method of recovering polymerization inhibitor and method of producing acrylic acid 有权
标题翻译：回收聚合抑制剂的方法和制备丙烯酸的方法
公开(公告)号：US07041849B2
公开(公告)日：2006-05-09
申请号：US10845571
申请日：2004-05-14
申请人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
发明人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
IPC分类号： C07C51/42 , C07C51/16
CPC分类号： C07C51/44 , C07C51/215 , C07C51/252 , C07C51/50 , C07C57/04
摘要： In an acrylic acid production process which comprises the step of producing acrylic acid by catalytic vapor-phase oxidation of propane, propylene, and/or acrolein; and purifying the acrylic acid produced in the step of producing with distillation in the presence of the polymerization inhibitor for preventing polymerization of the acrylic acid, a viscosity at 20° C. of the bottoms which comprises the polymerization inhibitor, discharged in the step of purifying, is adjusted to 2 Pa·s (2,000 cP) or less and the polymerization inhibitor is extracted using an aqueous medium.According to the method, in an acrylic acid production process, an extraction operation for recovery of the polymerization inhibitor can be continuously conducted in a stable manner.
摘要翻译：在丙烯酸生产方法中，其包括通过丙烷，丙烯和/或丙烯醛的催化气相氧化制备丙烯酸的步骤; 并且在用于防止丙烯酸聚合的聚合抑制剂存在下，在蒸馏生产步骤中纯化生产的丙烯酸，在包含聚合抑制剂的底部的20℃下的粘度在净化步骤中排出，调节至2Pa.s（2,000cP）以下，使用水性介质提取聚合抑制剂。根据该方法，在丙烯酸制造方法中，可以稳定地连续进行回收阻聚剂的萃取操作。

55. 发明授权

US07015357B2 Processes for producing (meth)acrylic acid 有权
标题翻译：（甲基）丙烯酸的制造方法
公开(公告)号：US07015357B2
公开(公告)日：2006-03-21
申请号：US10898341
申请日：2004-07-26
申请人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
发明人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
IPC分类号： C07C51/42 , C07C57/02
CPC分类号： C07C51/44 , C07C57/04
摘要： In the purification and distillation step of acrylic acid (including (meth)acrylic acid), stable continuous operation for a long period is enabled by inhibiting the undesirable polymerization reaction of acrylic acid thereby to prevent the device from a trouble such as clogging. A process for producing acrylic acid which comprises purifying crude acrylic acid prepared by vapor-phase catalytic oxidation by distillation, wherein the concentration of β-acryloxypropionic acid in the feed stream to a distillation column mainly for the separation of water from acrylic acid is controlled to be at most one-fiftieth of the concentration of acrylic acid; the concentration of β-acryloxypropionic acid in the feed stream to a distillation column mainly for the separation of acetic acid from acrylic acid is controlled to be at most one-fortieth of the concentration of acrylic acid; and the concentration of β-acryloxypropionic acid in the feed stream to a distillation column mainly for the separation of acrylic acid from water, acetic acid and a solvent is controlled to be at most one-fiftieth of the concentration of acrylic acid.
摘要翻译：在丙烯酸（包括（甲基）丙烯酸）的纯化和蒸馏步骤中，通过抑制丙烯酸的不期望的聚合反应，能够长时间的稳定的连续操作，从而防止装置等堵塞的问题。一种制备丙烯酸的方法，其包括通过蒸馏气相催化氧化制备的粗丙烯酸的纯化，其中将主要用于从丙烯酸分离水的蒸馏塔的进料流中的β-丙烯酰氧基丙酸的浓度控制为至多为丙烯酸浓度的五十分之一; 将主要用于从丙烯酸分离乙酸的蒸馏塔的进料流中的β-丙烯酰氧基丙酸的浓度控制在丙烯酸浓度的至多四十分之一; 并且将主要用于将丙烯酸与水，乙酸和溶剂分离的蒸馏塔的进料流中的β-丙烯酰氧基丙酸的浓度控制在丙烯酸浓度的至多五十分之一。

56. 发明授权

US06989463B2 Method for handling high-viscosity substances 有权
标题翻译：高粘度物质处理方法
公开(公告)号：US06989463B2
公开(公告)日：2006-01-24
申请号：US10978281
申请日：2004-11-01
申请人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
发明人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
IPC分类号： C07C57/02 , C07C51/42 , C07C69/34 , C07C67/48
CPC分类号： C07C51/50 , C07C67/62 , C07C57/04 , C07C69/54
摘要： There is provided a method for handling high-viscosity substances discharged from a production process of acrylic acid or esters thereof by gas-phase catalytic oxidation, which method is improved such that upon transporting the high-viscosity substances in a molten state to a storage tank through a pipeline, the retention or clogging of the high-viscosity substances in the pipeline can be effectively prevented without adding a solvent thereto, resulting in smooth transportation thereof through the pipeline.In the method for handling high-viscosity substances discharged from a production process of acrylic acid or esters thereof by gas-phase catalytic oxidation according to the present invention, when the high-viscosity substances are transported to a storage tank through a pipeline, contents of acrylic acid polymers and a polymerization inhibitor in the high-viscosity substances are controlled to not less than 40% by weight and not less than 4% by weight, respectively, and the high-viscosity substances are maintained at a temperature of not less than 110° C.
摘要翻译：提供了一种通过气相催化氧化处理由丙烯酸或其酯的生产方法排出的高粘度物质的方法，该方法得到改进，使得在熔融状态下将高粘度物质输送到储罐通过管道，可以有效地防止管道中高粘度物质的滞留或堵塞，而不需要加入溶剂，从而使其通过管道的顺利输送。在根据本发明的通过气相催化氧化处理由丙烯酸或其酯的制备方法排出的高粘度物质的方法中，当高粘度物质通过管道输送到储罐时，高粘度物质中的丙烯酸聚合物和阻聚剂分别控制在不低于40重量％且不小于4重量％，并且高粘度物质保持在不低于110℃的温度 C。

57. 发明申请

US20050267313A1 Process for producing (meth)acrolein or (meth)acrylic acid 审中-公开
标题翻译：制备（甲基）丙烯醛或（甲基）丙烯酸的方法
公开(公告)号：US20050267313A1
公开(公告)日：2005-12-01
申请号：US10985015
申请日：2004-11-10
申请人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
发明人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
IPC分类号： C07B61/00 , C07C45/33 , C07C45/35 , C07C45/82 , C07C47/22 , C07C51/16 , C07C51/25 , C07C51/44 , C07C57/05
CPC分类号： C07C45/33 , C07C45/35 , C07C51/252 , C07C47/22 , C07C57/04
摘要： There is provided a process for producing (meth)acrolein or (meth)acrylic acid which is capable of avoiding stoppage of operation of a plant for production thereof as a whole due to failure of an oxidation reaction step in the process and ensuring a continuous stable operation of the plant, and is excellent in economical aspects. The process for producing (meth)acrolein or (meth)acrylic acid according to the present invention sequentially comprises an oxidation reaction step of subjecting a raw gas to gas-phase catalytic oxidation; a reaction gas cooling step of cooling the resultant reaction gas; a low-boiling fraction separation step of separating low-boiling components from the reaction product; a purification step of separating and removing high-boiling components from the reaction product; and a high-boiling fraction decomposition step of decomposing high-boiling components contained in a bottom liquid obtained from the purification step, said oxidation reaction step comprising a plurality of oxidation reaction steps which are disposed in parallel with each other and operated at the same time.
摘要翻译：提供了一种生产（甲基）丙烯醛或（甲基）丙烯酸的方法，其能够避免由于该方法中的氧化反应步骤失败而导致植物整体生产的停止，从而确保连续稳定工厂运行，经济性好。根据本发明的（甲基）丙烯醛或（甲基）丙烯酸的制备方法依次包括使原料气体进行气相催化氧化的氧化反应步骤; 反应气体冷却步骤，冷却所得到的反应气体; 将低沸点组分与反应产物分离的低沸点馏分分离步骤; 从反应产物中分离除去高沸点组分的纯化步骤; 以及分解由纯化工序得到的底液中含有的高沸点组分的高沸点馏分分解步骤，所述氧化反应步骤包括彼此平行并且同时操作的多个氧化反应步骤。

58. 发明申请

US20050267312A1 Process for producing (meth)acrolein or (meth)acrylic acid 审中-公开
标题翻译：制备（甲基）丙烯醛或（甲基）丙烯酸的方法
公开(公告)号：US20050267312A1
公开(公告)日：2005-12-01
申请号：US10974015
申请日：2004-10-27
申请人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
发明人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
IPC分类号： C07B61/00 , C07C45/33 , C07C45/35 , C07C45/82 , C07C47/22 , C07C51/16 , C07C51/235 , C07C51/25 , C07C51/44 , C07C57/05 , C07C57/055
CPC分类号： C07C45/33 , C07C45/35 , C07C51/44 , C07C47/22 , C07C57/04
摘要： There is provided a process for producing (meth)acrolein or (meth)acrylic acid which is capable of avoiding stoppage of operation of a plant for production thereof as a whole due to failure of a low-boiling fraction separation step in the process and ensuring a continuous stable operation of the plant, and has excellent economical aspects. The process for producing (meth)acrolein or (meth)acrylic acid according to the present invention sequentially comprises an oxidation reaction step of subjecting a raw gas to gas-phase catalytic oxidation; a reaction gas cooling step of cooling the resultant reaction gas; a low-boiling fraction separation step of separating low-boiling components from the reaction product; a purification step of separating and removing high-boiling components from the reaction product; and a high-boiling fraction decomposition step of decomposing the high-boiling components contained in a bottom liquid obtained from the purification step, said low-boiling fraction separation step comprising a plurality of low-boiling fraction separation steps which are disposed in parallel with each other and operated at the same time.
摘要翻译：提供了一种制备（甲基）丙烯醛或（甲基）丙烯酸的方法，其能够避免由于该方法中的低沸点馏分分离步骤的失败而整体上停止用于生产的设备的操作，并确保工厂连续稳定运行，经济性好。根据本发明的（甲基）丙烯醛或（甲基）丙烯酸的制备方法依次包括使原料气体进行气相催化氧化的氧化反应步骤; 反应气体冷却步骤，冷却所得到的反应气体; 将低沸点组分与反应产物分离的低沸点馏分分离步骤; 从反应产物中分离除去高沸点组分的纯化步骤; 以及分解由纯化工序得到的底液中含有的高沸点组分的高沸点馏分分解步骤，所述低沸点馏分分离步骤包括多个低沸点馏分分离步骤，它们各自与其他并在同一时间运行。

59. 发明申请

US20050215813A1 Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof 有权
标题翻译：防止装置处理（甲基）丙烯酸或其酯的堵塞方法
公开(公告)号：US20050215813A1
公开(公告)日：2005-09-29
申请号：US11000505
申请日：2004-12-01
申请人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
发明人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
IPC分类号： C07C45/35 , C07C51/44 , C07C51/50 , C07C57/07 , C07C67/54 , C07C67/62 , C07C69/52 , C07C69/54
CPC分类号： C07C51/50 , C07C67/62 , C07C57/04 , C07C69/54
摘要： There is provided a method for preventing clogging in an apparatus for handling (meth)acrylic acid or esters thereof which is capable of inhibiting occurrence of clogging in nozzles or conduits connected to a gas-phase portion of the apparatus and ensuring a stable continuous operation of the apparatus for a long period of time. The method for preventing clogging in an apparatus for handling (meth)acrylic acid or esters thereof, comprises blowing a gas having a polymerization inhibiting action into a nozzle or conduit connected to a gas-phase portion of the apparatus, wherein said gas having a polymerization inhibiting action, which is blown into the nozzle or conduit, has a temperature not less than a temperature of the gas-phase portion.
摘要翻译：提供了一种防止用于处理（甲基）丙烯酸或其酯的装置中的堵塞的方法，其能够抑制连接到装置的气相部分的喷嘴或管道中的堵塞发生，并确保稳定的连续操作该设备很长一段时间。用于防止用于处理（甲基）丙烯酸或其酯的装置中的堵塞的方法包括将具有聚合抑制作用的气体吹送到与装置的气相部分连接的喷嘴或导管中，其中所述具有聚合性的气体吹入喷嘴或导管中的抑制作用具有不低于气相部分的温度的温度。

60. 发明申请

US20050189296A1 Method for handling (meth) acrylic ester-containing solution 审中-公开
标题翻译：（甲基）丙烯酸酯溶液的处理方法
公开(公告)号：US20050189296A1
公开(公告)日：2005-09-01
申请号：US11015744
申请日：2004-12-20
申请人： Shuhei Yada , Kenji Takasaki , Yoshiro Suzuki , Yasushi Ogawa
发明人： Shuhei Yada , Kenji Takasaki , Yoshiro Suzuki , Yasushi Ogawa
IPC分类号： B01D11/04 , C07C67/48 , B01D11/00
CPC分类号： B01D11/0426 , B01D11/0488 , C07C67/48 , C07C69/54
摘要： The present invention provides a method for handling a (meth)acrylic ester-containing solution in which the (meth)acrylic ester-containing solution is treated by at least one process selected from washing, neutralization and extraction, the said method being capable of ensuring a stable continuous operation of the treating system for a long period of time without deteriorating a liquid-liquid separation efficiency and a distillation efficiency in subsequent steps while inhibiting the formation of sludge, when waste water or a waste aqueous solution obtained by recovering effective ingredients from the (meth)acrylic ester-containing solution treated by said at least one process is recycled to the previous process and reused therein. The above waste water or waste aqueous solution is previously cooled to a temperature of 10 to 50° C. and then solids are removed therefrom prior to recycling the waste water or waste aqueous solution to the previous process and reusing the same therein.
摘要翻译：本发明提供一种处理含（甲基）丙烯酸酯的溶液的方法，其中使用选自洗涤，中和和萃取的至少一种方法处理含（甲基）丙烯酸酯的溶液，所述方法能够确保在废水或通过回收有效成分得到的废水水溶液的同时抑制污泥的形成，在长时间内稳定地连续操作处理系统，而不会降低后续步骤中的液 - 液分离效率和蒸馏效率通过所述至少一种方法处理的（甲基）丙烯酸酯溶液被再循环到先前的方法中并重新使用。将上述废水或废水水溶液预先冷却至10〜50℃的温度，然后在将废水或废水溶液再循环至先前的方法之前将固体除去，并将其再次使用。

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