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1. 发明专利

JP2013209414A Method for recovering propylene oxide 审中-公开
标题翻译：回收丙烯氧化物的方法
公开(公告)号：JP2013209414A
公开(公告)日：2013-10-10
申请号：JP2013118817
申请日：2013-06-05
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07D301/32 , C07B61/00 , C07D301/22 , C07D303/04
CPC分类号： Y02P20/52
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering propylene oxide (PO) without decomposing PO produced by a catalytic gas-phase oxidation of propylene.SOLUTION: A method for recovering propylene oxide PO from a gas mixture containing PO, 1-3C hydrocarbons, carbon dioxide, and inert components including fixing gases includes the steps (A) to (C) of: (A) bringing the gas mixture into contact with a dilute aqueous absorbent in an absorption tower to thereby form a concentrated PO absorbed liquid as a tower bottom material; (B) flashing the concentrated PO absorbed liquid at a temperature of 30°C to 50°C at a pressure of 0.1 to 0.41 MPaA in a flash tower for the absorption tower bottom material to thereby form a dilute inert component solution and a concentrated inert component tower top gas containing at least 50% of the inert components contained in the concentrated PO absorbed liquid; and (C) bringing the dilute inert component solution into contact with a strip flow at an atmospheric pressure or a slightly higher pressure in a PO diffusion tower to thereby form a concentrated PO diffusion tower top gas.
摘要翻译：要解决的问题：提供一种回收氧化丙烯（PO）的方法，而不分解由丙烯的催化气相氧化产生的PO。溶液：从含有PO，1-3C烃的气体混合物中回收氧化丙烯PO的方法，二氧化碳和包括固定气体在内的惰性组分包括以下步骤（A）至（C）：（A）使气体混合物与吸收塔中的稀释含水吸收剂接触，从而形成浓缩的PO吸收液体，塔底材料; （B）在吸收塔底材料的闪蒸塔中，在0.1〜0.41MPa A的压力下，在30℃〜50℃的温度下使浓缩的PO吸收液体闪烁，由此形成稀惰性成分溶液和浓缩惰性包含至少50％的浓缩PO吸收液体中所含的惰性成分的组分塔顶气体; 和（C）在PO扩散塔中使稀惰性成分溶液与大气压或稍高压力下的条状流接触，从而形成浓缩的PO扩散塔顶气体。

2. 发明专利

JP2013173797A Method for producing substantially pure propylene oxide 审中-公开
标题翻译：生产大量丙烯氧化物的方法
公开(公告)号：JP2013173797A
公开(公告)日：2013-09-05
申请号：JP2013118813
申请日：2013-06-05
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07D301/32 , C07B61/00 , C07D301/08
摘要： PROBLEM TO BE SOLVED: To provide a method for producing substantially pure propylene oxide by perfectly or substantially removing propionaldehyde.SOLUTION: A method for producing substantially pure propylene oxide includes the steps of: bringing an extractant composed of an organic compound which is liquid under an extractive distillation condition into contact with propionaldehyde-containing propylene oxide; and subjecting a mixture obtained in the above step to extractive distillation in a distillation tower in an operation condition such that the propylene oxide with a substantially reduced propionaldehyde content is recovered through the overhead of the distillation tower in a form of gas without substantially containing the extractant. The extractant is composed of a carbon atom, hydrogen atom and oxygen atom (A); is miscible with acetaldehyde and propylene oxide but substantially inactive to propylene oxide in the extractive distillation condition (B); and has a boiling point of 65-200°C under atmospheric pressure (C).
摘要翻译：要解决的问题：提供通过完全或基本上除去丙醛来生产基本上纯的环氧丙烷的方法。溶液：用于生产基本上纯的环氧丙烷的方法包括以下步骤：将由在萃取蒸馏条件与含丙醛的环氧丙烷接触; 并在上述步骤中得到的混合物在蒸馏塔中进行萃取蒸馏，操作条件是使丙醛含量基本上降低的环氧丙烷通过蒸馏塔的塔顶馏出而不以基本上不含萃取剂的形式回收。萃取剂由碳原子，氢原子和氧原子（A）组成; 与乙醛和环氧丙烷混溶，但在萃取蒸馏条件（B）中基本上与环氧丙烷无活性; 并且在大气压（C）下沸点为65-200℃。

3. 发明专利

JP2013082675A Propylene oxide recovery method 审中-公开
标题翻译：丙烯氧化物回收方法
公开(公告)号：JP2013082675A
公开(公告)日：2013-05-09
申请号：JP2012152528
申请日：2012-07-06
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07D303/04 , C07B61/00 , C07D301/10
CPC分类号： Y02P20/52
摘要： PROBLEM TO BE SOLVED: To provide a propylene oxide recovery method that achieves utilization of energy possessed by bottom liquid of a propylene oxide stripping column.SOLUTION: The propylene oxide recovery method includes the following steps. A reaction product gas, containing propylene oxide generated by catalytic gas-phase oxidation of propylene and a molecular oxygen-containing gas, is introduced into a propylene oxide absorption column 302 and brought into counter-current contact with an absorbing solution. A gas from the top of the propylene oxide absorption column 302 is partially circulated to a propylene oxidation reaction process. Bottom liquid of the propylene oxide absorption column is supplied to a propylene oxide stripping column 311 and diffused from the top of the stripping column 311. Liquid discharged out from the bottom of the stripping column 311 is subjected to flash treatment and separated into a gas phase part and a liquid phase part. The gas phase part is compressed and introduced into the bottom of the propylene oxide stripping column 311. The liquid phase part is heat-exchanged with the bottom liquid of the propylene oxide absorption column, containing the propylene oxide, and guided to the absorption column 302, and then, cyclically used as an absorbing solution.
摘要翻译：待解决的问题：提供一种环氧丙烷回收方法，其实现了利用环氧丙烷汽提塔的底部液体所具有的能量。解决方案：环氧丙烷回收方法包括以下步骤。将含有通过丙烯的催化气相氧化和含分子氧的气体产生的环氧丙烷的反应产物气体引入到环氧丙烷吸收塔302中，并与吸收溶液逆流接触。来自环氧丙烷吸收塔302的顶部的气体被部分循环到丙烯氧化反应过程。将环氧丙烷吸收塔的底部液体供应到环氧丙烷汽提塔311并从汽提塔311的顶部扩散。从汽提塔311的底部排出的液体经受闪蒸处理并分离成气相部分和液相部分。气相部分被压缩并引入到环氧丙烷汽提塔311的底部。液相部分与含有环氧丙烷的环氧丙烷吸收塔的底部液体进行热交换，并被引导到吸收塔302 ，然后循环使用作为吸收溶液。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2009035544A Apparatus and method for producing epoxy compound 审中-公开
标题翻译：环氧化合物的制造方法及其制造方法
公开(公告)号：JP2009035544A
公开(公告)日：2009-02-19
申请号：JP2008178205
申请日：2008-07-08
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： NARAHARA HIDEO , HATANO AKIRA , KANAZAWA HIDEO
IPC分类号： C07D301/06 , C07D303/04
CPC分类号： C07D301/06 , B01J21/18 , B01J23/44 , B01J29/89 , B01J35/0006 , B01J2229/20 , C07D301/08 , C07D303/04
摘要： PROBLEM TO BE SOLVED: To provide a new apparatus to use an olefin, hydrogen and oxygen to produce an epoxy compound corresponding to the olefin. SOLUTION: The apparatus produces an epoxy compound by reacting hydrogen, oxygen and an olefin in a liquid solvent in the presence of a catalyst in a reactor to obtain the epoxy compound derived from the olefin. The gas phase of the reactor contains an inert gas. The apparatus is provided with a means for supplying hydrogen, an oxygen-containing gas having oxygen concentration of at least 90% by volume and an olefin to the gas phase and/or liquid phase in the reactor for reaction, and taking the liquid phase containing a reaction product out of the reactor. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用烯烃，氢和氧来生产对应于烯烃的环氧化合物的新设备。解决方案：该设备通过在反应器中的催化剂存在下，在液体溶剂中使氢气，氧气和烯烃反应生成环氧化合物，得到衍生自烯烃的环氧化合物。反应器的气相含有惰性气体。该装置设置有用于将氢气，氧浓度为至少90体积％的含氧气体和烯烃供应到用于反应的反应器中的气相和/或液相的装置，并且将含有反应器中的反应产物。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2013082676A Propylene oxide purification method 审中-公开
标题翻译：丙烯氧化物纯化方法
公开(公告)号：JP2013082676A
公开(公告)日：2013-05-09
申请号：JP2012152533
申请日：2012-07-06
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07D301/32 , C07D303/04
摘要： PROBLEM TO BE SOLVED: To provide a propylene oxide purification method that achieves utilization of energy possessed by bottom liquid of a propylene oxide stripping column.SOLUTION: The propylene oxide purification method is configured as follows. A reaction product gas, containing propylene oxide generated by catalytic gas-phase oxidation of propylene and a molecular oxygen-containing gas, is introduced into a propylene oxide absorption column 302 and brought into counter-current contact with an absorbing solution. A gas from the top of the propylene oxide absorption column is circulated to a propylene oxidation reaction step. Bottom liquid of the propylene oxide absorption column is supplied to a propylene oxide stripping column 311 and diffused from the top of the propylene oxide stripping column. Distillate containing propylene oxide and water is condensed. Moisture is separated by a dehydration column 329. A light component is separated by a light-component separating column 340. Subsequently, the propylene oxide is rectified by a propylene oxide rectifying column 350. The method is configured to use the emission emitted from the propylene oxide stripping column as the heating source of the propylene oxide rectifying column, and also, to use a part of liquid discharged out from the propylene oxide stripping column as the heating source of the propylene oxide rectifying column.
摘要翻译：待解决的问题：提供一种环氧丙烷净化方法，其实现了利用环氧丙烷汽提塔底液所具有的能量。解决方案：环氧丙烷净化方法如下构成。将含有通过丙烯的催化气相氧化和含分子氧的气体产生的环氧丙烷的反应产物气体引入到环氧丙烷吸收塔302中，并与吸收溶液逆流接触。将来自环氧丙烷吸收塔顶部的气体循环至丙烯氧化反应步骤。将环氧丙烷吸收塔的底部液体供应到环氧丙烷汽提塔311并从环氧丙烷汽提塔的顶部扩散。含有环氧丙烷和水的馏出物被冷凝。水分由脱水柱329分离。轻组分由轻组分分离柱340分离。随后，环氧丙烷通过环氧丙烷精馏塔350进行精馏。该方法构造成使用从丙烯排出的排放物氧化物汽提塔作为氧化丙烯精馏塔的加热源，并且使用从环氧丙烷汽提塔排出的一部分液体作为环氧丙烷精馏塔的加热源。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2013082672A Method for recovering propylene glycol 审中-公开
标题翻译：回收丙二醇的方法
公开(公告)号：JP2013082672A
公开(公告)日：2013-05-09
申请号：JP2012145151
申请日：2012-06-28
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07C29/80 , C07C31/20
摘要： PROBLEM TO BE SOLVED: To recover propylene glycol that is collaterally produced in the production of propylene oxide, under economically preferable conditions without substantially consuming additional energy and without influencing the qualities of main products.SOLUTION: This method for recovering propylene glycol comprises discharging propylene oxide from a top of a desorption column, discharging propylene glycol-containing circulating water that substantially does not contain propylene oxide from a bottom of the desorption column, and discarding a part of the circulating water so as to maintain concentration of propylene glycol and other reaction products to be always low. A dehydration column is connected next to the desorption column; and effluent steam of the dehydration column is introduced as strip steam into below the lowest bottom of the desorption column.
摘要翻译：待解决的问题：在经济上优选的条件下回收在生产环氧丙烷中相互生产的丙二醇，而基本上不消耗额外的能量并且不影响主要产品的质量。解决方案：用于回收丙二醇的方法包括从解吸塔的顶部排出环氧丙烷，从解吸塔的底部排出基本上不含环氧丙烷的含丙二醇的循环水，并将一部分循环水，以保持丙二醇和其他反应产物的浓度始终较低。脱水塔连接在解吸塔旁边; 脱水塔的出水蒸汽作为带状蒸汽引入解吸塔的最底部下方。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013082669A Method for recovering propylene from effluent gas of propylene oxide production plant 审中-公开
标题翻译：从丙烯氧化物生产厂的气体中回收丙烯的方法
公开(公告)号：JP2013082669A
公开(公告)日：2013-05-09
申请号：JP2012134893
申请日：2012-06-14
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07C7/13 , C07C7/12 , C07C11/06
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently recovering propylene from effluent gas of a propylene oxide production plant.SOLUTION: The method for recovering propylene comprises: bringing a propylene-containing gas which is discharged from a plant of producing propylene oxide by oxidation of propylene, into contact with a molecular sieve carbon under a pressurized condition to selectively adsorb propylene in the effluent gas; and then desorbing and recovering the adsorbed propylene under reduced pressure.
摘要翻译：要解决的问题：提供一种从环氧丙烷生产设备的废气中有效回收丙烯的方法。解决方案：回收丙烯的方法包括：将通过丙烯氧化生产环氧丙烷的工厂排出的含丙烯气体在加压条件下与分子筛碳接触，以选择性地吸附丙烯废气; 然后在减压下解吸和回收吸附的丙烯。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013082666A Method for removing aldehyde by-products 审中-公开
标题翻译：去除副产物的方法
公开(公告)号：JP2013082666A
公开(公告)日：2013-05-09
申请号：JP2012100978
申请日：2012-04-26
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07D301/32 , C07B61/00 , C07D301/08 , C07D303/04
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently removing aldehyde by-products from an aqueous solution of propylene oxide containing the aldehyde by-products.SOLUTION: The method is configured to remove aldehyde by-products from an aqueous solution of propylene oxide, containing the aldehyde by-products, in propylene oxide manufacturing processes. The method includes a process for converting the aldehyde by-products into reaction products with lower volatility by mixing reactants in the aqueous solution. Further, there is provided a method for manufacturing purified propylene oxide by stripping propylene oxide from the aqueous solution of propylene oxide subsequent to the removal method.
摘要翻译：待解决的问题：提供一种从含醛副产物的环氧丙烷水溶液中有效除去醛副产物的方法。解决方案：该方法被配置为在环氧丙烷制造方法中从含有醛副产物的环氧丙烷水溶液中除去醛副产物。该方法包括通过在水溶液中混合反应物将醛副产物转化为具有较低挥发性的反应产物的方法。此外，提供了一种通过在除去方法之后从环氧丙烷的水溶液中汽提环氧丙烷来制造纯化的环氧丙烷的方法。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2011092926A Mixer of combustible gas and combustion supporting gas 审中-公开
标题翻译：可燃气体和燃烧辅助气体的混合器
公开(公告)号：JP2011092926A
公开(公告)日：2011-05-12
申请号：JP2010214925
申请日：2010-09-27
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA , SHIMADA NAOKI , MIYATA EIZABURO
IPC分类号： B01F5/02 , B01F3/02 , C01B3/36
CPC分类号： B01F3/02 , B01F5/045
摘要： PROBLEM TO BE SOLVED: To provide a mixer with higher safety than conventionally known which enables a mixing of a combustible gas and a combustion supporting gas, losing no time, to the limits of concentration which can inhibit the expansion of combustion reaction, even in the case that the combustible gas and the cocombustible gas are mixed. SOLUTION: The mixer (10) of the combustible gas and the combustion supporting gas comprises a tubular mixing part (1) which extends over a stretch between one end (1a) with a combustible gas feed throat (2) and the other end (1b) with a mixed gas discharge orifice (3); and a combustion supporting gas feeder tube (4) which is inserted into the tubular mixing part (1) between one end (1a) and the other end (1b) of the tubular mixing part (1) and includes a combustion supporting gas feed throat (5) which opens toward the other end (1b) of the tubular mixing part (1) located at the apex (4a). In addition, the outer shape of the near-apex part (4b) of the combustion supporting gas feeder tube (4) is tapered toward the combustion supporting gas feed throat (5) at the apex (4a). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有比常规已知的更高安全性的混合器，其能够将可燃气体和燃烧辅助气体混合，没有时间混合到能够抑制燃烧反应膨胀的浓度极限，甚至在可燃气体和可共燃气体混合的情况下也是如此。解决方案：可燃气体和燃烧支持气体的混合器（10）包括管状混合部分（1），该管状混合部分（1）在一个端部（1a）和可燃气体进料喉部（2）之间的延伸部分上延伸，另一个（1b）与混合气体排放孔（3）; 和燃烧辅助气体供给管（4），其插入在管状混合部（1）的一端（1a）和另一端（1b）之间的管状混合部分（1）中，并且包括燃烧支持气体供给喉（5），其朝向位于顶点（4a）的管状混合部分（1）的另一端（1b）开口。此外，燃烧辅助气体供给管（4）的近顶点部分（4b）的外形在顶点（4a）处朝向燃烧支持气体供给喉部（5）逐渐变细。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2013209391A Method for recovering propylene oxide 审中-公开
标题翻译：回收丙烯氧化物的方法
公开(公告)号：JP2013209391A
公开(公告)日：2013-10-10
申请号：JP2013101068
申请日：2013-05-13
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HATANO AKIRA
IPC分类号： C07D301/32 , C07B61/00 , C07D303/04
CPC分类号： Y02P20/52
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering propylene oxide (target material), minimizing hydrolysis in a diffusion tower and being improved in the yield.SOLUTION: A method for recovering a target material from a mixture containing water, the target material, 1-3C hydrocarbons, carbon dioxide and inert gases includes the steps (A) to (F) of: (A) diffusing a target material-containing aqueous mixture in a first diffusion tower to thereby obtain a gaseous tower top distillate in the diffusion tower containing a high level of the target material; (B) cooling the tower top distillate to thereby obtain a two-phase mixture; (C) phase-separating the two-phase mixture into a condensed flow and an uncondensed tower top distillate flow of the first diffusion tower; (D) bringing the tower top distillate flow into contact with a target material-diluting cool aqueous absorbent in a scrubbing tower to thereby form a concentrated target material-absorbed aqueous liquid and a non-condensed exhaust gas; (E) uniting the condensed flow and the concentrated target material-absorbed aqueous liquid; and (F) fractionating the united flow by a target material refining zone to thereby recover the target material.
摘要翻译：要解决的问题：提供一种回收环氧丙烷（目标材料）的方法，使扩散塔中的水解最小化并提高收率。解决方案：一种从含有水的混合物中回收目标材料的方法， 1-3C烃，二氧化碳和惰性气体包括以下步骤（A）至（F）：（A）在第一扩散塔中扩散含靶材料的含水混合物，从而在扩散塔中获得气态塔顶馏出物含有高水平的目标材料; （B）冷却塔顶馏出物，从而获得两相混合物; （C）将两相混合物相分离成第一扩散塔的冷凝流和未冷凝的塔顶馏出物流; （D）使塔顶馏出物流与洗涤塔中的目标材料稀释的含水吸收剂接触，从而形成浓缩的目标材料吸收的含水液体和非冷凝废气; （E）将冷凝流和浓缩的目标材料吸收的含水液体结合在一起; 和（F）通过目标材料精炼区对联合流进行分馏，从而回收目标材料。

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