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1. 发明授权

US08450531B2 Method for synthesizing acrolein 失效
标题翻译：丙烯醛合成方法
公开(公告)号：US08450531B2
公开(公告)日：2013-05-28
申请号：US12979459
申请日：2010-12-28
申请人： Takeyuki Kondo , Masayuki Kamikawa , Kenichiro Oka , Toshiaki Matsuo , Masashi Tanto , Yasunari Sase , Hiroyuki Ito , Tomofumi Shiraishi , Tsutomu Kawamura , Naruyasu Okamoto
发明人： Takeyuki Kondo , Masayuki Kamikawa , Kenichiro Oka , Toshiaki Matsuo , Masashi Tanto , Yasunari Sase , Hiroyuki Ito , Tomofumi Shiraishi , Tsutomu Kawamura , Naruyasu Okamoto
IPC分类号： C07C45/64 , C07D307/46 , C07H1/00
CPC分类号： C07D307/48 , B01F5/0057 , B01F5/0615 , B01F5/0682 , B01F5/0688 , C07C45/52 , Y02P20/544 , C07C47/22
摘要： An object of the present invention is to provide a method for commercially manufacturing acrolein in a large flow rate by making supercritical water and an acid interact with glycerin, wherein by efficiently mixing high-concentration glycerin and supercritical water with each other, the method is made capable of making the synthesis stably proceed with a high yield while the occlusion and abrasion of the pipes and devices due to the generation of by-products are being suppressed. The method for synthesizing acrolein of the present invention is a method for synthesizing acrolein by making supercritical water and an acid interact with glycerin, the method using a reaction apparatus including: a cylindrical mixing flow path for mixing a fluid including glycerin and a fluid including supercritical water with each other; a first inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including glycerin flow into the mixing flow path; and a second inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including supercritical water flow into the mixing flow path, wherein the first inlet flow path and the second inlet flow path are each provided in a plurality of numbers in such a way that the first inlet flow paths and the second inlet flow paths are alternately arranged so as to encircle the central axis of the mixing flow path.
摘要翻译：本发明的目的是提供一种通过使超临界水和酸与甘油相互作用而大量流动丙烯醛的方法，其中通过将高浓度甘油和超临界水相互有效地混合，制备方法能够以高产率稳定地进行合成，同时由于副产物的产生而引起的管道和装置的堵塞和磨损被抑制。本发明的丙烯醛的合成方法是通过使超临界水和酸与甘油相互作用来合成丙烯醛的方法，使用反应装置的方法包括：将含有甘油的液体和包含超临界流体的流体混合的圆筒状混合流路水相互; 第一入口流动路径，设置为偏离混合流动路径的中心轴线，用于使包含甘油的流体流入混合流动路径; 以及第二入口流动路径，其设置成偏离混合流动路径的中心轴线，用于使包括超临界水流的流体流入混合流动路径，其中第一入口流动路径和第二入口流动路径分别设置在多个数字，使得第一入口流动路径和第二入口流动路径交替地布置成环绕混合流动路径的中心轴线。

2. 发明申请

US20110160447A1 METHOD FOR SYNTHESIZING ACROLEIN 失效
标题翻译：用于合成ACROLEIN的方法
公开(公告)号：US20110160447A1
公开(公告)日：2011-06-30
申请号：US12979459
申请日：2010-12-28
申请人： Takeyuki KONDO , Masayuki Kamikawa , Kenichiro Oka , Toshiaki Matsuo , Masashi Tanto , Yasunari Sase , Hiroyuki Ito , Tomofumi Shiraishi , Tsutomu Kawamura , Naruyasu Okamoto
发明人： Takeyuki KONDO , Masayuki Kamikawa , Kenichiro Oka , Toshiaki Matsuo , Masashi Tanto , Yasunari Sase , Hiroyuki Ito , Tomofumi Shiraishi , Tsutomu Kawamura , Naruyasu Okamoto
IPC分类号： C08B37/00 , C07C45/61 , C07D307/34
CPC分类号： C07D307/48 , B01F5/0057 , B01F5/0615 , B01F5/0682 , B01F5/0688 , C07C45/52 , Y02P20/544 , C07C47/22
摘要： An object of the present invention is to provide a method for commercially manufacturing acrolein in a large flow rate by making supercritical water and an acid interact with glycerin, wherein by efficiently mixing high-concentration glycerin and supercritical water with each other, the method is made capable of making the synthesis stably proceed with a high yield while the occlusion and abrasion of the pipes and devices due to the generation of by-products are being suppressed. The method for synthesizing acrolein of the present invention is a method for synthesizing acrolein by making supercritical water and an acid interact with glycerin, the method using a reaction apparatus including: a cylindrical mixing flow path for mixing a fluid including glycerin and a fluid including supercritical water with each other; a first inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including glycerin flow into the mixing flow path; and a second inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including supercritical water flow into the mixing flow path, wherein the first inlet flow path and the second inlet flow path are each provided in a plurality of numbers in such a way that the first inlet flow paths and the second inlet flow paths are alternately arranged so as to encircle the central axis of the mixing flow path.
摘要翻译：本发明的目的是提供一种通过使超临界水和酸与甘油相互作用而大量流动丙烯醛的方法，其中通过将高浓度甘油和超临界水相互有效地混合，制备方法能够以高产率稳定地进行合成，同时由于副产物的产生而引起的管道和装置的堵塞和磨损被抑制。本发明的丙烯醛的合成方法是通过使超临界水和酸与甘油相互作用来合成丙烯醛的方法，使用反应装置的方法包括：将含有甘油的液体和包含超临界流体的流体混合的圆筒状混合流路水相互; 第一入口流动路径，设置为偏离混合流动路径的中心轴线，用于使包含甘油的流体流入混合流动路径; 以及第二入口流动路径，其设置成偏离混合流动路径的中心轴线，用于使包括超临界水流的流体流入混合流动路径，其中第一入口流动路径和第二入口流动路径分别设置在多个数字，使得第一入口流动路径和第二入口流动路径交替地布置成环绕混合流动路径的中心轴线。

3. 发明申请

US20120310016A1 PROCESS FOR SYNTHESIS OF ACROLEIN 失效
标题翻译： ACROLEIN合成方法
公开(公告)号：US20120310016A1
公开(公告)日：2012-12-06
申请号：US13577680
申请日：2010-02-09
申请人： Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa , Masashi Tanto
发明人： Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa , Masashi Tanto
IPC分类号： C07C45/00
CPC分类号： B01J8/006 , B01J3/008 , B01J2219/00006 , C07C45/52 , C07C45/81 , Y02P20/544 , C07C47/22
摘要： An object of the present invention is to provide a technology which can suppress the blockage and abrasion of pipes and devices caused by the production of by-products and stably synthesize acrolein at a high yield, under a condition in which energy efficiency is improved by an elevated concentration of glycerol in a reaction liquid, in a process for synthesis of acrolein by reacting supercritical water and an acid with glycerol. An embodiment of the present invention includes: setting a concentration of glycerol in the reaction liquid at 30% by weight or lower; also cooling the reaction liquid to a temperature between a temperature (300° C. or lower) at which the reaction stops and a temperature (100° C. or higher) at which tar contained in the reaction liquid can keep a state in which its viscosity is sufficiently low; then separating and removing carbon particles from the reaction liquid; subsequently cooling the reaction liquid to a temperature which is a boiling point of water or lower and at which the tar component in the reaction liquid does not adhere to devices; and then decompressing the cooled reaction liquid.
摘要翻译：本发明的目的是提供一种能够抑制副产物生成引起的管道和装置的堵塞和磨损的技术，并且在能够提高能量效率的条件下以高产率稳定地合成丙烯醛在超临界水和酸与甘油反应合成丙烯醛的方法中，反应液中甘油浓度升高。本发明的一个实施方案包括：将反应液中甘油的浓度设定为30重量％以下; 还将反应液体冷却至反应停止的温度（300℃以下）和反应液中所含的焦油的温度（100℃以上）可以保持其状态粘度足够低; 然后从反应液中分离除去碳颗粒; 随后将反应液体冷却至沸点低于水的温度，反应液中的焦油成分不附着在装置上; 然后减压冷却的反应液。

4. 发明申请

US20110269934A1 PRODUCTION METHOD AND APPARATUS FOR POLYTRIMETHYLENE TEREPHTHALATE 审中-公开
标题翻译：聚对苯二甲酸十二烷酸的生产方法和装置
公开(公告)号：US20110269934A1
公开(公告)日：2011-11-03
申请号：US13094929
申请日：2011-04-27
申请人： Toshiaki MATSUO , Kenichiro Oka , Masayuki Kamikawa , Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Masashi Tanto
发明人： Toshiaki MATSUO , Kenichiro Oka , Masayuki Kamikawa , Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Masashi Tanto
IPC分类号： C08G63/80 , B01J19/18
CPC分类号： C08G63/785 , B01F7/042 , B01J19/1862 , B01J19/20 , B01J2219/00083 , B01J2219/0009 , B01J2219/00094
摘要： An object of the present invention is to provide a reasonable polycondensation step by which an appropriate molecular weight can be obtained and material decomposition associated with thermolysis can be suppressed, so as to contribute to production technology for PTT polymers. The production method for polytrimethylene terephthalate comprises an esterification step and a polycondensation step, wherein the polycondensation step is divided into multiple stages, polycondensation is performed using a polymerization vessel having a twin-shaft agitator in the final stage of the polycondensation step, and the polymerization temperature during the subsequent stage of the polycondensation step is less than the polymerization temperature during the former stage of the polycondensation step.
摘要翻译：本发明的目的是提供合理的缩聚步骤，通过该步骤可以获得适当的分子量，并且可以抑制与热解相关的材料分解，从而有助于PTT聚合物的生产技术。聚对苯二甲酸丙二酯的制备方法包括酯化步骤和缩聚步骤，其中缩聚步骤分成多个阶段，在缩聚步骤的最后阶段中使用具有双轴搅拌器的聚合容器进行缩聚，并且聚合在缩聚步骤的后续阶段期间的温度低于缩聚步骤的前一阶段期间的聚合温度。

5. 发明授权

US08558035B2 Reaction process utilizing critical water 失效
标题翻译：使用临界水的反应过程
公开(公告)号：US08558035B2
公开(公告)日：2013-10-15
申请号：US13148760
申请日：2010-02-05
申请人： Takeyuki Kondo , Hiroyuki Ito , Naruyasu Okamoto , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa
发明人： Takeyuki Kondo , Hiroyuki Ito , Naruyasu Okamoto , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa
IPC分类号： C07C45/52 , B01J19/00
CPC分类号： B01J3/008 , B01J2219/00006 , B01J2219/00168 , C07C45/52 , Y02P20/544 , C07C47/22
摘要： In order to perform organic synthesis process through action with supercritical water and acid stably while suppressing a trouble caused by a by-product, a method and an apparatus are provided, including the following steps. Water is supplied to high-pressure pumps (110) and (210) from water headers (101) and (201), and a pressure-reducing valve (324) is regulated to increase the pressure to 35 MPa. Temperatures of preheaters (120) and (220) and a heater (310) are increased until the reaction solution is at a temperature of 400° C. Acid (sulfuric acid) and an organic compound raw material (glycerin) are supplied from an acid header (203) and a raw-material header (203′) for action with the supercritical water to obtain a reaction solution. The obtained reaction solution is cooled to 100 to 200° C. by first cooling (420) and a solid component included in the reaction solution is separated for removal from the reaction solution by a filter (320), and then the reaction solution is cooled to a temperature of about 100° C. or lower by second cooling (620) and pressure thereof is reduced (324). Further, the reaction solution is cooled by third cooling (720) and then a synthesized product (acrolein) is captured.
摘要翻译：为了通过超临界水和酸稳定地进行有机合成工艺，同时抑制由副产物引起的故障，提供了包括以下步骤的方法和装置。从集水管（101）和（201）向高压泵（110）和（210）供水，调节减压阀（324）以将压力增加至35MPa。增加预热器（120）和（220）和加热器（310）的温度，直到反应溶液处于400℃的温度。酸（硫酸）和有机化合物原料（甘油）由酸标题（203）和原料头（203'），用于与超临界水作用以获得反应溶液。将得到的反应溶液通过第一次冷却（420）冷却至100〜200℃，分离包含在反应溶液中的固体成分，通过过滤器（320）从反应溶液中除去，然后将反应溶液冷却通过第二冷却（620）至约100℃或更低的温度，并且其压力降低（324）。此外，将反应溶液通过第三次冷却（720）冷却，然后捕获合成产物（丙烯醛）。

6. 发明申请

US20110319667A1 REACTION PROCESS UTILIZING CRITICAL 失效
标题翻译：反应过程利用关键
公开(公告)号：US20110319667A1
公开(公告)日：2011-12-29
申请号：US13148760
申请日：2010-02-05
申请人： Takeyuki Kondo , Hiroyuki Ito , Naruyasu Okamoto , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa
发明人： Takeyuki Kondo , Hiroyuki Ito , Naruyasu Okamoto , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa
IPC分类号： C07C45/00 , B01J19/00
CPC分类号： B01J3/008 , B01J2219/00006 , B01J2219/00168 , C07C45/52 , Y02P20/544 , C07C47/22
摘要： In order to perform organic synthesis process through action with supercritical water and acid stably while suppressing a trouble caused by a by-product, a method and an apparatus are provided, including the following steps. Water is supplied to high-pressure pumps (110) and (210) from water headers (101) and (201), and a pressure-reducing valve (324) is regulated to increase the pressure to 35 MPa. Temperatures of preheaters (120) and (220) and a heater (310) are increased until the reaction solution is at a temperature of 400° C. Acid (sulfuric acid) and an organic compound raw material (glycerin) are supplied from an acid header (203) and a raw-material header (203′) for action with the supercritical water to obtain a reaction solution. The obtained reaction solution is cooled to 100 to 200° C. by first cooling (420) and a solid component included in the reaction solution is separated for removal from the reaction solution by a filter (320), and then the reaction solution is cooled to a temperature of about 100° C. or lower by second cooling (620) and pressure thereof is reduced (324). Further, the reaction solution is cooled by third cooling (720) and then a synthesized product (acrolein) is captured.
摘要翻译：为了通过超临界水和酸稳定地进行有机合成工艺，同时抑制由副产物引起的故障，提供了包括以下步骤的方法和装置。从集水管（101）和（201）向高压泵（110）和（210）供水，调节减压阀（324）以将压力增加至35MPa。增加预热器（120）和（220）和加热器（310）的温度，直到反应溶液处于400℃的温度。酸（硫酸）和有机化合物原料（甘油）由酸标题（203）和原料头（203'），用于与超临界水作用以获得反应溶液。将得到的反应溶液通过第一次冷却（420）冷却至100〜200℃，分离包含在反应溶液中的固体成分，通过过滤器（320）从反应溶液中除去，然后将反应溶液冷却通过第二冷却（620）至约100℃或更低的温度，并且其压力降低（324）。此外，将反应溶液通过第三次冷却（720）冷却，然后捕获合成产物（丙烯醛）。

7. 发明授权

US08742178B2 Process for synthesis of acrolein 失效
标题翻译：合成丙烯醛的方法
公开(公告)号：US08742178B2
公开(公告)日：2014-06-03
申请号：US13577680
申请日：2010-02-09
申请人： Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa , Masashi Tanto
发明人： Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa , Masashi Tanto
IPC分类号： C07C45/00
CPC分类号： B01J8/006 , B01J3/008 , B01J2219/00006 , C07C45/52 , C07C45/81 , Y02P20/544 , C07C47/22
摘要： An object of the present invention is to provide a technology which can suppress the blockage and abrasion of pipes and devices caused by the production of by-products and stably synthesize acrolein at a high yield, under a condition in which energy efficiency is improved by an elevated concentration of glycerol in a reaction liquid, in a process for synthesis of acrolein by reacting supercritical water and an acid with glycerol. An embodiment of the present invention includes: setting a concentration of glycerol in the reaction liquid at 30% by weight or lower; also cooling the reaction liquid to a temperature between a temperature (300° C. or lower) at which the reaction stops and a temperature (100° C. or higher) at which tar contained in the reaction liquid can keep a state in which its viscosity is sufficiently low; then separating and removing carbon particles from the reaction liquid; subsequently cooling the reaction liquid to a temperature which is a boiling point of water or lower and at which the tar component in the reaction liquid does not adhere to devices; and then decompressing the cooled reaction liquid.
摘要翻译：本发明的目的是提供一种能够抑制副产物生成引起的管道和装置的堵塞和磨损的技术，并且在能够提高能量效率的条件下以高产率稳定地合成丙烯醛在超临界水和酸与甘油反应合成丙烯醛的方法中，反应液中甘油浓度升高。本发明的一个实施方案包括：将反应液中甘油的浓度设定为30重量％以下; 还将反应液体冷却至反应停止的温度（300℃以下）和反应液中所含的焦油的温度（100℃以上）可以保持其状态粘度足够低; 然后从反应液中分离除去碳颗粒; 随后将反应液体冷却至沸点低于水的温度，反应液中的焦油成分不附着在装置上; 然后减压冷却的反应液。

8. 发明申请

US20120255852A1 REACTION PROCESS USING SUPERCRITICAL WATER 审中-公开
标题翻译：使用超临界水的反应过程
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。

9. 发明申请

US20120215012A1 PROCESS AND SYSTEM FOR PURIFICATION OF TETRAHYDROFURAN 审中-公开
标题翻译：四氢呋喃的净化方法和系统
公开(公告)号：US20120215012A1
公开(公告)日：2012-08-23
申请号：US13505022
申请日：2009-10-30
申请人： Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa , Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Chiaki Watanabe , Tetsuji Harigai
发明人： Toshiaki Matsuo , Kenichiro Oka , Masayuki Kamikawa , Takeyuki Kondo , Hiroyuki Ito , Yasunari Sase , Chiaki Watanabe , Tetsuji Harigai
IPC分类号： C07D307/08 , B01D3/14
CPC分类号： C07D307/08 , C07B63/00
摘要： A method for purifying tetrahydrofuran from a liquid containing tetrahydrofuran and as impurities at least water, 2,5-dihydrofuran and butanol, the method comprising: a first distillation step in which the liquid is subjected to distillation using a distillation column to separate into a first bottoms product containing water as a major component and a first distillate containing tetrahydrofuran, 2,5-dihydrofuran and butanol as major components, a second distillation step in which the first distillate is subjected to distillation using a distillation column to separate into a second bottoms product containing tetrahydrofuran and butanol as major components and a second distillate containing 2,5-dihydrofuran as a major component, a third distillation step in which the second bottoms product is subjected to distillation using a distillation column to separate into a third bottoms product containing butanol as a major component and a third distillate containing tetrahydrofuran as a major component, and further comprising a recirculation step in which a part of the second top liquid is recirculated into the first distillation step as a recirculation liquid and the remaining part is discharged into the outside of the system.
摘要翻译：一种从含有四氢呋喃的液体中提取四氢呋喃的方法，至少是水，2,5-二氢呋喃和丁醇作为杂质，该方法包括：第一蒸馏步骤，其中使用蒸馏塔对液体进行蒸馏以分离成第一含有水作为主要组分的底部产物和含有四氢呋喃，2,5-二氢呋喃和丁醇作为主要组分的第一馏出物，第二蒸馏步骤，其中第一馏出物使用蒸馏塔进行蒸馏以分离成第二塔底产物含有四氢呋喃和丁醇作为主要组分的第二馏出物和含有2,5-二氢呋喃作为主要组分的第二馏出物，第三蒸馏步骤，其中使用蒸馏塔对第二塔底产物进行蒸馏以分离成含有丁醇的第三底部产物主要组分和第三馏出物，其中四氢呋喃为主要成分并且还包括再循环步骤，其中所述第二顶部液体的一部分作为再循环液体再循环到所述第一蒸馏步骤中，并且所述剩余部分被排出到所述系统的外部。

10. 发明申请

US20120095269A1 METHOD AND DEVICE FOR SYNTHESIZING ACROLEIN 失效
标题翻译：用于合成ACROLEIN的方法和装置
公开(公告)号：US20120095269A1
公开(公告)日：2012-04-19
申请号：US13380271
申请日：2010-06-30
申请人： Masashi Tanto , yasunari Sase , Hiroyuki Ito , Toshiaki Matsuo , Takeyuki Kondo
发明人： Masashi Tanto , yasunari Sase , Hiroyuki Ito , Toshiaki Matsuo , Takeyuki Kondo
IPC分类号： C07C45/42 , B01J19/00 , C07C45/78
CPC分类号： C07C45/52 , B01J3/008 , B01J19/1862 , Y02P20/544 , C07C47/22
摘要： An object of the present invention is to provide an industrially applicable method for producing acrolein via treatment with supercritical water from glycerin obtained as a by-product during the process of biodiesel fuel production from waste animal/plant fat or oil with the use of an alkali catalyst.The present invention provides a method for producing acrolein, which comprises: a determination step of determining the hydrogen ion concentration in glycerin obtained as a by-product; an acid addition step of adding to the glycerin an acid at an amount calculated based on the results of the determination step so as to make the glycerin acidic; and a supercritical water treatment step of allowing supercritical water to act on the glycerin after the acid addition so as to produce acrolein from the glycerin.
摘要翻译：本发明的目的是提供一种工业上可应用的方法，其通过使用来自废物动物/植物脂肪或油的生物柴油燃料生产过程中作为副产物获得的来自甘油的超临界水进行处理来生产丙烯醛。催化剂。本发明提供了一种制备丙烯醛的方法，其包括：测定作为副产物获得的甘油中的氢离子浓度的测定步骤; 酸添加步骤，其以基于测定步骤的结果计算的量向甘油中加入酸，以使甘油呈酸性; 以及超临界水处理步骤，在酸添加之后使超临界水作用于甘油，以从甘油中制备丙烯醛。

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