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1. 发明授权

US07476299B2 Vessel for easily polymerizable compound 有权
标题翻译：容易聚合的化合物的容器
公开(公告)号：US07476299B2
公开(公告)日：2009-01-13
申请号：US11399470
申请日：2006-04-07
申请人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kenji Takasaki
发明人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kenji Takasaki
IPC分类号： B01D1/30 , B01D3/14 , B01D3/32 , B01J19/00
CPC分类号： B01D3/14 , B01D3/322 , Y10S159/02 , Y10S159/901 , Y10S203/22 , Y10S203/90
摘要： A decomposition reaction apparatus or distillation apparatus for acrylic acid in which a column bottom liquid heated in a reboiler (5) is supplied from a supply port (1a) provided on a side wall of a column body (1) having: a top plate (12a) above the supply port (1a); and an impingement plate (12b) provided vertically to the top plate (12a), for preventing scattering of the column bottom liquid to a supply direction. The top plate (12a) is provided such that the top face of the top plate (12a) is inclined downward from a base end to a tip end. The present invention allows: suppression of formation of a polymerized product due to flowing of a liquid or gas heated in a reboiler into a column with a simple structure; and a stable continuous operation of column equipment over a long period of time.
摘要翻译：一种用于丙烯酸的分解反应装置或蒸馏装置，其中在再沸器（5）中加热的塔底液体从设置在具有顶板的塔体（1）的侧壁上的供应口（1a）供应 12a）在供应口（1a）上方; 以及垂直于顶板（12a）设置的冲击板（12b），用于防止塔底液体向供给方向的散射。顶板（12a）设置成使得顶板（12a）的顶面从基端向尖端向下倾斜。本发明允许：抑制由于在再沸器中加热的液体或气体流入具有简单结构的塔中的聚合产物的形成; 并长期稳定地连续运行立柱设备。

2. 发明申请

US20080245652A1 METHOD FOR PURIFYING (METH)ACRYLIC ACID 审中-公开
标题翻译：纯化（甲基）丙烯酸的方法
公开(公告)号：US20080245652A1
公开(公告)日：2008-10-09
申请号：US12014186
申请日：2008-01-15
申请人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kenji Takasaki
发明人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kenji Takasaki
IPC分类号： B01D3/34
CPC分类号： B01D3/146 , B01D1/225 , C07C51/44 , C07C57/04
摘要： A method for purifying a crude (meth)acrylic acid obtained by a vapor phase catalytic oxidation method, characterized in that the crude (meth)acrylic acid having most parts of water and acetic acid removed therefrom, is fed to and distilled in a first distillation column of a purification system comprising first to third three distillation columns, the top fraction from the first distillation column is fed to and distilled in the second distillation column, the resulting top fraction is recovered as a high purity (meth)acrylic acid product, the bottoms from the first and second distillation columns are fed to and distilled in the third distillation column, and the resulting top fraction is fed to the first distillation column.
摘要翻译：一种纯化通过气相催化氧化法得到的粗（甲基）丙烯酸的方法，其特征在于，将从其中除去大部分水和乙酸的粗制（甲基）丙烯酸加入到第一次蒸馏中并蒸馏包括第一至第三三个蒸馏塔的纯化系统柱，将来自第一蒸馏塔的顶部馏分进料至第二蒸馏塔并在第二蒸馏塔中蒸馏，所得顶馏分作为高纯度（甲基）丙烯酸产物回收，将第一蒸馏塔和第二蒸馏塔的塔底物进料至第三蒸馏塔并在第三蒸馏塔中蒸馏，并将所得顶馏分进料至第一蒸馏塔。

3. 发明申请

US20080021239A1 Process for Producing (Meth)Acrylic Acid or (Meth)Acrolein 审中-公开
标题翻译：生产（甲基）丙烯酸或（甲基）丙烯醛的方法
公开(公告)号：US20080021239A1
公开(公告)日：2008-01-24
申请号：US11596366
申请日：2004-11-05
申请人： Yasushi Ogawa , Shuhei Yada , Yoshiro Suzuki , Kenji Takasaki
发明人： Yasushi Ogawa , Shuhei Yada , Yoshiro Suzuki , Kenji Takasaki
IPC分类号： C07C45/33
CPC分类号： C07C45/35 , C07C45/33 , C07C51/215 , C07C51/252 , C07C47/22 , C07C57/04
摘要： The object of the invention is to provide a method for producing (meth)acrylic acid or (meth)acrolein from at least one of propylene, propane, isobutylene and (meth)acrolein as a raw material by carrying out its gas phase catalytic oxidation reaction with molecular oxygen or a molecular oxygen-containing gas using a multi-tubular reactor, which is a method that can be operated more safely by feeding a gas prepared in advance by mixing the raw material with molecular oxygen or a molecular oxygen-containing gas safely into the reactor by controlling generation and propagation of fire. The invention is a method for producing (meth)acrylic acid or (meth)acrolein, characterized in that a mixed gas formed by mixing the aforementioned raw material with the aforementioned molecular oxygen or a molecular oxygen-containing gas is fed into the aforementioned reactor via a piping equipped with a flame arrester.
摘要翻译：本发明的目的是提供一种通过进行气相催化氧化反应从丙烯，丙烷，异丁烯和（甲基）丙烯醛中的至少一种作为原料生产（甲基）丙烯酸或（甲基）使用多管式反应器的分子氧或含分子氧气体，其是通过将原料与分子氧或含分子氧的气体混合而预先制备的气体可以更安全地操作的方法通过控制火的产生和传播进入反应堆。本发明是一种生产（甲基）丙烯酸或（甲基）丙烯醛的方法，其特征在于将上述原料与上述分子氧或含分子氧气混合形成的混合气体通过配有防火器的管道。

4. 发明申请

US20070213567A1 Process For Producing Acrolein And/Or Acrylic Acid 审中-公开
标题翻译：生产丙烯醛和/或丙烯酸的方法
公开(公告)号：US20070213567A1
公开(公告)日：2007-09-13
申请号：US11547864
申请日：2004-10-13
申请人： Yasushi Ogawa , Shuhei Yada , Yoshiro Suzuki , Kenji Takasaki
发明人： Yasushi Ogawa , Shuhei Yada , Yoshiro Suzuki , Kenji Takasaki
IPC分类号： C07C45/00
CPC分类号： C07C51/215 , C07C45/33 , C07C45/35 , C07C51/252 , C07C47/22 , C07C57/04
摘要： An object of the present invention is to provide a method of producing acrolein and/or acrylic acid, with which method even when air that contains a lot of floating particles is used as an oxygen source, without suffering from deterioration of catalyst performance owing to coking and so on of the catalyst and inconveniences such as an increase in the pressure difference and clogging of a reaction tube, with a high yield and stably over a long time, acrolein and/or acrylic acid can be produced. The present invention relates to a method of producing acrolein and/or acrylic acid by subjecting propylene or propane to a gas phase oxidation with an oxygen-containing gas under the presence of an oxidation catalyst, wherein as an oxygen source air from which the floating particles are removed is used.
摘要翻译：本发明的目的是提供一种制备丙烯醛和/或丙烯酸的方法，即使使用含有大量漂浮颗粒的空气作为氧源，也不会由于焦化而遭受催化剂性能的劣化可以生产出催化剂和诸如压力差增加和反应管堵塞的问题，以高产率和长时间稳定地产生丙烯醛和/或丙烯酸的不便之处。本发明涉及通过在氧化催化剂存在下，用含氧气体对丙烯或丙烷进行气相氧化制备丙烯醛和/或丙烯酸的方法，其中作为氧源空气，浮选颗粒被删除被使用。

5. 发明授权

US07189872B2 Process 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：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。

6. 发明申请

US20060281947A1 (Meth) acrylic acid composition and method for producing the same 审中-公开
标题翻译：（甲基）丙烯酸组合物及其制备方法
公开(公告)号：US20060281947A1
公开(公告)日：2006-12-14
申请号：US11509600
申请日：2006-08-25
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
CPC分类号： B01D9/0004 , B01D9/004 , C07C51/43 , C07C51/46 , C07C57/04
摘要： The present invention removes impurities inhibiting storage stability of (meth)acrylic acid or stability in polymerization of (meth)acrylic acid when (meth)acrylic acid is used as a raw material, to thereby stabilize (meth)acrylic acid. A total concentration of aromatic hydrocarbons each having 8 to 10 carbon atoms in a (meth)acrylic acid composition is controlled to less than 2 ppm. The (meth)acrylic acid composition can be obtained by crystallizing (meth)acrylic acid from a crude (meth)acrylic acid composition containing the aromatic hydrocarbons, sweating the crystallized (meth)acrylic acid, and separating the (meth)acrylic acid remained as a crystal after the sweating.
摘要翻译：本发明除去使用（甲基）丙烯酸作为原料时抑制（甲基）丙烯酸的储存稳定性和（甲基）丙烯酸聚合时的稳定性，从而稳定（甲基）丙烯酸。将（甲基）丙烯酸组合物中各自具有8〜10个碳原子的芳香烃的总浓度控制在小于2ppm。（甲基）丙烯酸组合物可以通过从含有芳香族烃的粗制（甲基）丙烯酸组合物中结晶（甲基）丙烯酸，使结晶的（甲基）丙烯酸出汗，并将（甲基）丙烯酸残留为汗水后出现水晶。

7. 发明申请

US20050267309A1 Process for producing (meth)acrylic acid and (meth)acrylic esters 有权
标题翻译：制备（甲基）丙烯酸和（甲基）丙烯酸酯的方法
公开(公告)号：US20050267309A1
公开(公告)日：2005-12-01
申请号：US11027685
申请日：2005-01-03
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： B01D3/14 , B01D3/32 , B01J19/00 , C07B61/00 , C07C51/16 , C07C51/215 , C07C51/235 , C07C51/25 , C07C51/44 , C07C57/05 , C07C67/08 , C07C69/52 , C07C69/54
CPC分类号： C07C51/215 , B01D3/14 , B01D3/322 , B01J19/002 , B01J2219/00006 , C07C51/252 , C07C67/08 , C07C57/04 , C07C69/54
摘要： There is provided a process for producing (meth)acrylic acid and (meth)acrylic esters, which can be operated in a continuous and stable manner for a long period of time. In a process for producing (meth)acrylic acid and (meth)acrylic esters comprising the steps of (A) reacting propane, propylene, or isobutylene and/or (meth)acrolein, with molecular oxygen or a molecular oxygen-containing gas by gas-phase catalytic oxidation method to produce crude (meth)acrylic acid; (B) purifying the resultant crude (meth)acrylic acid to produce a (meth)acrylic acid product; and (C) reacting the crude (meth)acrylic acid with alcohol to produce (meth)acrylic esters, in case of stopping a plant used in any one of the steps (B) and (C) disposed in parallel with each other, a resultant surplus crude (meth)acrylic acid being temporarily stored in a tank, and after restoring the stopped plant, the crude (meth)acrylic acid stored in a tank being fed to the plant used in the step (B) and/or the plant used in the step (C), wherein a production capacity of the plant used in the step (A) is designed so as to be lower than a total consumption capacity of the plants used in the steps (B) and (C).
摘要翻译：提供一种生产（甲基）丙烯酸和（甲基）丙烯酸酯的方法，其可以长时间连续稳定地操作。在制备（甲基）丙烯酸和（甲基）丙烯酸酯的方法中，包括以下步骤：（A）使丙烷，丙烯或异丁烯和/或（甲基）丙烯醛与气体与分子氧或含分子氧的气体反应相催化氧化法生产粗（甲基）丙烯酸; （B）纯化得到的粗制（甲基）丙烯酸，生成（甲基）丙烯酸产物; 和（C）使粗制的（甲基）丙烯酸与醇反应制备（甲基）丙烯酸酯，在停止在彼此平行设置的步骤（B）和（C）中任一步骤中使用的植物的情况下，所得到的剩余的粗（甲基）丙烯酸暂时储存在罐中，并且在恢复停止的植物之后，储存在进料到步骤（B）中使用的植物的罐中的粗（甲基）丙烯酸和/或植物在步骤（C）中使用，其中步骤（A）中使用的设备的生产能力被设计为低于步骤（B）和（C）中使用的设备的总消耗能力。

8. 发明申请

US20050192463A1 Method for storing (meth)acrylic acid or (meth)acrylic esters 有权
标题翻译：存储（甲基）丙烯酸或（甲基）丙烯酸酯的方法
公开(公告)号：US20050192463A1
公开(公告)日：2005-09-01
申请号：US11006803
申请日：2004-12-08
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： C07C51/42 , C07C57/04 , C07C57/07 , C07C57/075 , C07C57/18 , C07C67/48 , C07C69/54
CPC分类号： C07C51/42 , C07C67/48 , C07C57/04 , C07C69/54
摘要： There is provided a method for storing (meth)acrylic acid or (meth)acrylic esters in a storage tank for receiving or discharging the (meth)acrylic acid or (meth)acrylic esters, which is capable of storing the (meth)acrylic acid or (meth)acrylic esters for a long period of time. According to the method of the present invention, upon storing the (meth)acrylic acid or (meth)acrylic esters in the storage tank for receiving or discharging the (meth)acrylic acid or (meth)acrylic esters, a concentration of suspended particulate matters contained in a gas phase portion of the storage tank is controlled to not more than 0.01 mg/m3.
摘要翻译：提供了一种用于在（甲基）丙烯酸或（甲基）丙烯酸酯中储存（甲基）丙烯酸酯的方法，该方法能够储存（甲基）丙烯酸或（甲基）丙烯酸酯，或（甲基）丙烯酸酯。根据本发明的方法，将（甲基）丙烯酸或（甲基）丙烯酸酯储存在用于接收或排出（甲基）丙烯酸或（甲基）丙烯酸酯的储罐中时，悬浮颗粒物质的浓度包含在储罐的气相部分中的压力控制在不大于0.01mg / m 3以下。

9. 发明授权

US06936177B2 Method for removing metal from wastewater 有权
标题翻译：从废水中去除金属的方法
公开(公告)号：US06936177B2
公开(公告)日：2005-08-30
申请号：US10854254
申请日：2004-05-27
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： C02F1/00 , C02F1/12 , C02F1/38 , C02F1/44 , C02F1/52 , C02F1/56 , C02F1/66 , C02F1/72 , C02F1/74 , C02F9/00 , C02F11/08 , C02F1/62
CPC分类号： C02F9/00 , C02F1/005 , C02F1/12 , C02F1/38 , C02F1/44 , C02F1/52 , C02F1/56 , C02F1/66 , C02F1/72 , C02F1/74 , C02F11/08 , C02F2101/20 , C02F2103/36 , C02F2301/08 , Y10S210/912
摘要： An object of the present invention is to provide a method for efficiently removing a metal from wastewater formed by subjecting the liquid waste to wet combustion treatment or wet oxidation treatment, said liquid waste resulting from an acrylic acid production process.Provided is a method for removing a metal from wastewater formed by subjecting at least a part of liquid waste to wet combustion treatment or wet oxidation treatment, said liquid waste resulting from an acrylic acid production process involving the steps of forming acrylic acid through catalytic vapor phase oxidation of at least one of propane, propylene, and acrolein, and purifying the acrylic acid through distillation, wherein the method comprises the steps of: (a) removing a solid content from the wastewater; (b) removing carbonate ions and carbonate salts from the treated liquid obtained by the step (a); and (c) removing a metal from the treated liquid from the step (b).
摘要翻译：本发明的目的是提供一种从废水进行湿式燃烧处理或湿式氧化处理所形成的废水中有效地除去金属的方法，所述废液由丙烯酸生产过程产生。提供一种从废水中除去金属的方法，所述废水通过使至少一部分废液进行湿式燃烧处理或湿式氧化处理而形成，所述废液是由丙烯酸生产方法产生的，包括通过催化气相形成丙烯酸的步骤丙烷，丙烯和丙烯醛中的至少一种的氧化，并通过蒸馏纯化丙烯酸，其中所述方法包括以下步骤：（a）从废水中除去固体含量; （b）从由步骤（a）获得的处理液中除去碳酸根离子和碳酸盐; 和（c）从步骤（b）从经处理的液体中除去金属。

10. 发明申请

US20050171382A1 Process for purifying (meth)acrylic acid and process for producing (meth)acrylic esters 有权
标题翻译：纯化（甲基）丙烯酸的方法和（甲基）丙烯酸酯的制备方法
公开(公告)号：US20050171382A1
公开(公告)日：2005-08-04
申请号：US11006806
申请日：2004-12-08
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： C07B61/00 , C07C51/42 , C07C51/47 , C07C57/07 , C07C67/08 , C07C67/56 , C07C69/54
CPC分类号： C07C51/47 , C07C67/08 , C07C57/04 , C07C69/54
摘要： There is provided a process for purifying (meth)acrylic acid by efficiently removing transition metal components from crude (meth)acrylic acid containing the transition metal components as impurities. When the crude (meth)acrylic acid containing the transition metal components as impurities is contacted with the cation exchange resin to remove the transition metal components therefrom, water is previously added to the crude (meth)acrylic acid prior to contacting the crude (meth)acrylic acid with the cation exchange resin. In the preferred embodiment of the present invention, the transition metal component is manganese.
摘要翻译：提供了通过有效地从含有过渡金属成分的（甲基）丙烯酸中除去过渡金属成分作为杂质来纯化（甲基）丙烯酸的方法。当含有作为杂质的过渡金属组分的粗制（甲基）丙烯酸与阳离子交换树脂接触以除去其中的过渡金属组分时，在将粗（甲基）丙烯酸接触粗制（甲基）丙烯酸之前，丙烯酸与阳离子交换树脂。在本发明的优选实施方案中，过渡金属组分是锰。

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