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1.发明申请POLYMER PRODUCING METHOD AND APPARATUS AND POLYMER DEGASSING METHOD AND APPARATUS 有权聚合物生产方法和装置和聚合物分解方法和装置公开(公告)号：US20090111954A1
公开(公告)日：2009-04-30
申请号：US12259432
申请日：2008-10-28
CPC分类号： C08G63/785 , B01F7/00583 , B01F7/04 , B01J19/0066 , B01J19/1862 , B01J2208/00637 , B01J2219/00006 , B01J2219/182 , C08G63/08
摘要： The polymer degassing apparatus includes a barrel-shaped horizontal container 41 having a supply port 42 for supplying a reactant, a discharge port 43 for discharging a reactant, a stirring means 45 for stirring a reactant, and a degassing means for drawing a gas via a degassing port 44 of the horizontal container. The supply port is positioned below the molten liquid level of the reactant. A recovery container 37 that is connected to the degassing port for recovering a volatile substance in the gas and a vacuum pump 36 are provided. The stirring means includes a plurality of stirring rods 46 oriented along the same direction as the axis in the horizontal container and coupling members 47 for coupling the stirring rods along the same direction as the axis, provided that the coupling members are placed at a distance from the virtual rotation center of the stirring means.
摘要翻译： 聚合物脱气装置包括具有用于供给反应物的供给口42的桶形水平容器41，排出反应物的排出口43，搅拌反应物的搅拌装置45，以及用于通过 水平容器的脱气口44。 供应口位于反应物的熔融液面之下。 设置有与用于回收气体中的挥发性物质的脱气口连接的回收容器37和真空泵36。 搅拌装置包括沿与水平容器中的轴线相同的方向定向的多个搅拌棒46，以及用于将搅拌棒沿着与轴线相同的方向连接的联接构件47，条件是联接构件被放置在距离 搅拌装置的虚拟旋转中心。
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公开(公告)号：US20080004469A1
公开(公告)日：2008-01-03
申请号：US11770165
申请日：2007-06-28
CPC分类号： C08G63/785 , B01J19/0066 , B01J19/1806 , B01J19/1862 , B01J19/1887 , B01J19/20 , B01J2219/00006 , B01J2219/00083 , B01J2219/00779 , B01J2219/182 , B01J2219/1946 , C08G63/06
摘要： The object is to provide a method and apparatus for producing a polyhydroxy carboxylic acid according to which an annular diner can be efficiently obtained in the production of polyhydroxy carboxylic acid which is small in distribution breadth of molecular weight in depolymerization and opening ring polymerization steps. There are provided a depolymerization device 11 which depolymerizes hydroxy carboxylic acid or a polycondensate thereof into an annular dimer, a upper distillation column 13 which condenses the annular dimer vaporized in the depolymerization device 11, and lower distillation column 12 which refluxes the annular dimer and is provided between the depolymerization device 11 and the upper distillation column 13, said depolymerization device 11 having a polycondensate feed opening 54 and an annular dimer discharge opening 55 which are provided at a casing 50, a liquid film being formed inside the casing 50 and heated by a heating part.
摘要翻译： 本发明的目的是提供一种生产多羟基羧酸的方法和装置，根据该方法和装置，在解聚和开环聚合步骤中分子量分布宽度小的多羟基羧酸的制备中可以有效地获得环形餐具。 提供了将羟基羧酸或其缩聚物解聚成环状二聚体的解聚装置11，使在解聚装置11中蒸发的环状二聚体冷凝的上部蒸馏塔13和回流该环状二聚体的下馏分12， 在解聚装置11和上部蒸馏塔13之间，所述解聚装置11具有设置在壳体50处的缩聚物供给口54和环状二聚体排出口55，液体膜形成在壳体50的内部并被加热 加热部件。
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公开(公告)号：US20120116100A1
公开(公告)日：2012-05-10
申请号：US13287144
申请日：2011-11-02
申请人： Masayuki KAMIKAWA , Toshiaki Matsuo , Naruyasu Okamoto , Kenichiro Oka , Takeyuki Kondo , Akira Tomura , Kazutaka Suzuki
发明人： Masayuki KAMIKAWA , Toshiaki Matsuo , Naruyasu Okamoto , Kenichiro Oka , Takeyuki Kondo , Akira Tomura , Kazutaka Suzuki
IPC分类号： C07D319/12 , B01J19/00
CPC分类号： C08G63/78 , B01J19/2415 , B01J19/2425 , B01J2219/00006 , B01J2219/00085 , C07D319/12 , C08G63/08
摘要： An object of the present invention is to provide a method and a system by which hydroxycarboxylic acid cyclic dimers are efficiently generated, allowing high yields of high-quality polyhydroxycarboxylic acid to be obtained. The method for synthesizing polyhydroxycarboxylic acid comprises a depolymerization step for depolymerizing hydroxycarboxylic acid oligomers to produce hydroxycarboxylic acid cyclic dimers, wherein, in the depolymerization step, a reaction solution is heated via heat transfer from a heat medium passage under reduced pressure while the reaction solution is being flowing through a horizontally provided reaction solution passage.
摘要翻译： 本发明的目的是提供一种有效地产生羟基羧酸环状二聚体的方法和系统，可以获得高产率的高品质聚羟基羧酸。 聚羟基羧酸的合成方法包括使羟基羧酸低聚物解聚以产生羟基羧酸环状二聚体的解聚步骤，其中在解聚步骤中，将反应溶液通过热介质通道在减压下的热传递加热，同时反应溶液为 流过水平提供的反应溶液通道。
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公开(公告)号：US20130052703A1
公开(公告)日：2013-02-28
申请号：US13592373
申请日：2012-08-23
IPC分类号： C12P7/56
CPC分类号： C12P7/56
摘要： A manufacturing process of purified lactic acid includes a fermentation process where a pH adjusting agent containing calcium and a microorganism are added to a sugar-containing solution to produce lactic acid in the form of calcium lactate, and a purification process where sulfuric acid is added to a solution containing calcium lactate to separate calcium ions in the form of calcium sulfate. Prior to the step of adding sulfuric acid, a reverse osmosis membrane concentration step removes water; a crystallization step crystallizes and removes calcium lactate; and a reverse osmosis membrane concentration step where the solution from which calcium lactate has been removed is heated and allowed to pass through the reverse osmosis membrane removes water, the crystallization step and the subsequent reverse osmosis membrane concentration step being repeated one or more times.
摘要翻译： 精制乳酸的制造方法包括发酵方法，其中将含有钙和微生物的pH调节剂加入到含糖溶液中以产生乳酸钙形式的乳酸，以及向其中加入硫酸的纯化方法 一种含有乳酸钙分离硫酸钙形式的钙离子的溶液。 在加入硫酸的步骤之前，反渗透膜浓缩步骤除去水; 结晶步骤结晶并除去乳酸钙; 和反渗透膜浓缩步骤，其中已经除去乳酸钙的溶液被加热并允许通过反渗透膜去除水，结晶步骤和随后的反渗透膜浓缩步骤重复一次或多次。
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公开(公告)号：US20100076165A1
公开(公告)日：2010-03-25
申请号：US12544477
申请日：2009-08-20
CPC分类号： C08G63/785 , B01J4/002 , B01J19/24 , B01J2219/00006 , B01J2219/00777 , B01J2219/185 , C08G63/06 , Y02P20/582
摘要： This invention provides an equipment and a method for producing polyhydroxycarboxylic acid whereby the yield of a starting material in the process can be improved.An equipment for producing polyhydroxycarboxylic acid, comprising a ring-opening polymerization apparatus, a liquid phase devolatilizing apparatus, and a drying apparatus, wherein: an indirect heat exchanger is connected to a vent gas discharge path of the liquid phase devolatilizing apparatus; the indirect heat exchanger captures a dispersed in-process substance containing hydroxycarboxylic acid cyclic dimers and transfers the substance to the ring-opening polymerization apparatus; a wet condenser and a hot well are connected to a vent gas discharge path of the indirect heat exchanger and that of the drying apparatus, respectively; the wet condenser captures a dispersed in process substance containing the cyclic dimers with the use of a refrigerant containing hydroxycarboxylic acid corresponding to the cyclic dimers and transfers the substance to the hot well; the hot well causes hydrolysis of the cyclic dimers for generation of hydroxycarboxylic acid; the generated hydroxycarboxylic acid is mixed with a refrigerant and the mixture is circulated to the wet condenser; and hydroxycarboxylic acid is highly concentrated via circulation between the wet condenser and the hot well and then discharged, is provided.
摘要翻译： 本发明提供一种生产聚羟基羧酸的设备和方法，从而可以提高该方法中原料的产率。 一种生产聚羟基羧酸的设备，包括开环聚合设备，液相脱挥发酵设备和干燥设备，其中：间接热交换器连接到液相脱挥发设备的排放气体排放路径; 间接热交换器捕获含有羟基羧酸环状二聚体的分散的在线物质并将物质转移到开环聚合装置中; 湿式冷凝器和热井分别连接到间接热交换器和干燥装置的排放气体排放路径; 湿式冷凝器使用含有对应于环状二聚体的羟基羧酸的制冷剂捕获含有环状二聚体的分散过程物质，并将物质转移到热井中; 热阱引起环状二聚体的水解产生羟基羧酸; 将所生成的羟基羧酸与制冷剂混合，并将混合物循环至湿式冷凝器; 羟基羧酸通过湿式冷凝器和热水槽之间的循环高度浓缩，然后排出。
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公开(公告)号：US20120255852A1
公开(公告)日：2012-10-11
申请号：US13437960
申请日：2012-04-03
申请人： Masayuki KAMIKAWA , Toshiaki Matsuo , Kenichiro Oka , Takeyuki Kondo , Yasunari Sase , Masashi Tanto , Hiroyuki Ito
发明人： Masayuki KAMIKAWA , Toshiaki Matsuo , Kenichiro Oka , Takeyuki Kondo , Yasunari Sase , Masashi Tanto , Hiroyuki Ito
IPC分类号： B01D3/14
CPC分类号： C07C45/52 , Y02P20/544 , C07C47/22
摘要： When obtaining a target substance by gradually cooling the reaction liquid by cooling in a plurality of stages divided in series, and then distilling the cooled reaction liquid by distillation in a plurality of stages divided in series, this method and this apparatus include: circulating a heating medium to be used for cooling in the plurality of the stages by way of; sequentially passing the heating medium toward the most upstream cooling stage from the most downstream cooling stage of the reaction liquid; cooling the heating medium which has been discharged from the most upstream cooling stage by using the heating medium for keeping or raising the temperature of the liquid which has been discharged from the distillation in the plurality of the stages; and returning the cooled heating medium back to the most downstream cooling stage of the reaction liquid.
摘要翻译： 通过以串联分级的多个级的冷却逐渐冷却反应液，然后通过蒸馏分离串联的多个级蒸馏冷却的反应液体来获得目标物质时，该方法和该装置包括：循环加热 用于在多个阶段中用于冷却的介质; 从反应液的最下游冷却阶段依次使加热介质流向最上游的冷却阶段; 通过使用加热介质冷却从最上游的冷却阶段排出的加热介质，用于保持或提高从多级的蒸馏中排出的液体的温度; 并将冷却的加热介质返回到反应液体的最下游冷却阶段。
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