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1. 发明授权

EP2810928B1 A method for synthesizing polyoxymethylene dimethyl ethers 失效
公开(公告)号：EP2810928B1
公开(公告)日：2019-01-09
申请号：EP14171356.0
申请日：2014-06-05
申请人： Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
发明人： Hong, Zhengpeng , Shang, Hongyan , Li, Chengyue
IPC分类号： C07C41/56 , C10L1/02

2. 发明授权

EP2810930B1 A method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a fixed bed 失效
公开(公告)号：EP2810930B1
公开(公告)日：2018-08-08
申请号：EP14171368.5
申请日：2014-06-05
申请人： Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
发明人： Shang, Hongyan , Hong, Zhengpeng , Han, Yu
IPC分类号： C07C41/58 , C10L1/02
CPC分类号： C10L1/02 , C07C41/58 , C08G2/12 , C07C43/30
摘要： The present invention relates to a method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a fixed bed, wherein, using a fixed bed reactor of refining by hydrogenation, an equilibrium system of products containing polyoxymethylene dialkyl ethers is refined by catalytic hydrogenation, so as to remove formaldehyde contained therein. The refining method by hydrogenation described in the present invention is able to remarkably increase the extracting rate of polyoxymethylene dialkyl ether products with various degrees of polymerization, and the polyoxymethylene dialkyl ethers obtained after subsequent rectification have purity greater than 99.5%, yield greater than 97% and atom utilization ratio close to 100%.

3. 发明授权

EP2810929B1 A method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a slurry bed 失效
公开(公告)号：EP2810929B1
公开(公告)日：2018-08-08
申请号：EP14171387.5
申请日：2014-06-05
申请人： Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
发明人： Hong, Zhengpeng , Shang, Hongyan , Feng, Xiaoting
IPC分类号： C07C29/141 , C08G2/28 , C08G2/34 , C10L1/02 , C08L59/02 , C07C41/56
CPC分类号： C10L1/02 , C07C29/141 , C07C41/56 , C08G2/28 , C08G2/34 , C08L59/02 , C07C43/303 , C07C31/04
摘要： The present invention relates to a method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a slurry bed, wherein, using a slurry bed reactor of refining by hydrogenation, an equilibrium system of products containing polyoxymethylene dialkyl ethers is refined by catalytic hydrogenation, so as to remove formaldehyde contained therein. The refining method by hydrogenation described in the present invention is able to remarkably increase the extracting rate of polyoxymethylene dialkyl ethers, and the polyoxymethylene dialkyl ethers obtained after subsequent rectification have purity greater than 99.5%, yield greater than 97% and atom utilization ratio close to 100%.

4. 发明公开

EP2810930A1 A method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a fixed bed 失效
标题翻译：一种用于通过催化氢化以固定床升级聚甲醛二烷基醚过程
公开(公告)号：EP2810930A1
公开(公告)日：2014-12-10
申请号：EP14171368.5
申请日：2014-06-05
申请人： Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
发明人： Shang, Hongyan , Hong, Zhengpeng , Han, Yu
IPC分类号： C07C41/58 , C07C41/50 , C07C41/56 , C08G2/12
CPC分类号： C10L1/02 , C07C41/58 , C08G2/12 , C07C43/30
摘要： The present invention relates to a method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a fixed bed, wherein, using a fixed bed reactor of refining by hydrogenation, an equilibrium system of products containing polyoxymethylene dialkyl ethers is refined by catalytic hydrogenation, so as to remove formaldehyde contained therein. The refining method by hydrogenation described in the present invention is able to remarkably increase the extracting rate of polyoxymethylene dialkyl ether products with various degrees of polymerization, and the polyoxymethylene dialkyl ethers obtained after subsequent rectification have purity greater than 99.5%, yield greater than 97% and atom utilization ratio close to 100%.
摘要翻译：本发明的使用固定床，worin，使用由氢化精制的固定床反应器中，在产品的含聚甲醛二烷基醚平衡体系进行催化加氢精制，以涉及通过催化加氢精制聚甲醛二烷基醚的方法除去其中所含的甲醛。通过加氢精制方法在本发明中所描述的是能够显着提高的聚甲醛二烷基醚产品具有各种聚合度的提取率，和随后的整流后获得的聚甲醛二烷基醚具有纯度大于99.5％，产率大于97％的和原子利用率接近100％。

5. 发明公开

EP2810929A1 A method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a slurry bed 失效
标题翻译：一种用于通过使用Aufschlämmungsbetts催化氢化升级聚甲醛二烷基醚过程
公开(公告)号：EP2810929A1
公开(公告)日：2014-12-10
申请号：EP14171387.5
申请日：2014-06-05
申请人： Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
发明人： Hong, Zhengpeng , Shang, Hongyan , Feng, Xiaoting
IPC分类号： C07C41/50 , C07C41/56 , C07C41/58 , C08G2/12
CPC分类号： C10L1/02 , C07C29/141 , C07C41/56 , C08G2/28 , C08G2/34 , C08L59/02 , C07C43/303 , C07C31/04
摘要： The present invention relates to a method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a slurry bed, wherein, using a slurry bed reactor of refining by hydrogenation, an equilibrium system of products containing polyoxymethylene dialkyl ethers is refined by catalytic hydrogenation, so as to remove formaldehyde contained therein. The refining method by hydrogenation described in the present invention is able to remarkably increase the extracting rate of polyoxymethylene dialkyl ethers, and the polyoxymethylene dialkyl ethers obtained after subsequent rectification have purity greater than 99.5%, yield greater than 97% and atom utilization ratio close to 100%.
摘要翻译：本发明涉及一种用于使用淤浆床催化加氢精制聚甲醛二烷基醚，worin的方法，使用通过加氢精制的浆液床反应器中，在产品的含聚甲醛二烷基醚平衡体系进行催化加氢精制，以除去其中所含的甲醛。通过加氢精制方法在本发明中所描述的是能够显着提高聚甲醛二烷基醚的提取率，和随后的整流后获得的聚甲醛二烷基醚具有纯度大于99.5％，产率大于97％和原子利用率接近 100％。

6. 发明公开

EP2810928A1 A method for synthesizing polyoxymethylene dimethyl ethers 失效
标题翻译： Verfahren zur Herstellung von聚氧基甲基亚甲基醚
公开(公告)号：EP2810928A1
公开(公告)日：2014-12-10
申请号：EP14171356.0
申请日：2014-06-05
申请人： Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
发明人： Hong, Zhengpeng , Shang, Hongyan , Li, Chengyue
IPC分类号： C07C41/50 , C07C41/56 , C08G2/12
CPC分类号： C10L1/02 , C07C41/56 , C08G2/12 , C07C43/30
摘要： The present invention relates to the field of chemical engineering and technology, in particular relates to the sub-field of synthesis of high quality alternative liquid engine fuel from non-petroleum based feedstock, more particularly relates to a method for regulating and optimizing the synthetic process of polyoxymethylene dimethyl ethers utilizing chemical thermodynamic principle. The process of the present invention is achieved by conditions wherein the initial temperature of reaction is controlled at 100-120 °C, then the temperature is reduced to 50-70 °C by successive stepwise cooling or programmed cooling, the reaction pressure is controlled at 0.1-4.0MPa, and the molar ratio of paraformaldehyde or trioxane metered in formaldehyde units to methylal in the feedstock is 1.5:1-8:1. In the process, higher overall yield of the target product can be achieved in the same reaction time, and selectivity of products with higher degree of polymerization of methoxy groups can be increased.
摘要翻译：本发明涉及化学工程和技术领域，特别涉及从非石油基原料合成高质量替代液体发动机燃料的子领域，更具体地涉及用于调节和优化合成方法的方法的聚甲醛二甲醚利用化学热力学原理。本发明的方法通过将反应的初始温度控制在100-120℃，然后通过连续逐步冷却或程序冷却将温度降低至50-70℃的条件来实现，反应压力控制在 0.1-4.0MPa，在原料中以甲醛单位计算的多聚甲醛或三恶烷与甲缩醛的摩尔比为1.5：1-8：1。在该过程中，可以在相同的反应时间内实现更高的目标产物的总收率，并且可以提高具有较高甲氧基聚合度的产物的选择性。

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