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1. 发明申请

WO2017220524A1 SINGLE STEP LACTIDE PRODUCTION PROCESS WITH RECOVERING WATER BY DECANTATION 审中-公开
标题翻译：一步法生产退浆水的方法
公开(公告)号：WO2017220524A1
公开(公告)日：2017-12-28
申请号：PCT/EP2017/065005
申请日：2017-06-20
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： YAZDANPANAH, Mahdi , CHAOUKI, Jamal , VAN WOUWE, Pieter , SELS, Bert
IPC分类号： C07D319/12
摘要： The present invention relates to a process for synthesizing lactide, comprising the steps of: providing one or more components to at least one reactor, the one or more components comprising lactic acid and a solvent; - converting at least part of the lactic acid into lactide and water; recovering at least part of the lactide; and recovering at least part of the water; wherein the step of converting at least part of the lactic acid into lactide and water is performed in one step; and wherein the step of recovering at least part of the water comprises a decantation step, preferably with the proviso that the step of recovering at least part of the water does not comprise an azeotropic distillation step.
摘要翻译：本发明涉及一种合成丙交酯的方法，其包括以下步骤：将一种或多种组分提供给至少一个反应器，所述一种或多种组分包含乳酸和溶剂; - 将至少部分乳酸转化为丙交酯和水; 回收至少一部分丙交酯; 并回收至少部分的水; 其中将所述乳酸的至少一部分转化为丙交酯和水的步骤在一个步骤中进行; 并且其中回收至少部分水的步骤包括倾析步骤，优选条件是回收至少部分水的步骤不包括共沸蒸馏步骤。

2. 发明申请

WO2017220522A1 SINGLE STEP LACTIDE PRODUCTION PROCESS WITH HEAT RECOVERY 审中-公开
标题翻译：具有热回收功能的一步法生产工艺
公开(公告)号：WO2017220522A1
公开(公告)日：2017-12-28
申请号：PCT/EP2017/065003
申请日：2017-06-20
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： YAZDANPANAH, Mahdi , CHAOUKI, Jamal , VAN WOUWE, Pieter , SELS, Bert
IPC分类号： C07D319/12
CPC分类号： C07D319/12 , B01J19/1862 , B01J2219/00031 , B01J2219/0004
摘要： The present invention relates to a process for synthesizing lactide, comprising the steps of: adding thermal energy to at least one of one or more components; providing the one or more components to at least one reactor, the one or more components comprising lactic acid and at least one solvent; converting at least part of the lactic acid into lactide and water; recovering at least part of the lactide; - recovering at least part of the at least one solvent; recovering at least part of the thermal energy, wherein at least part of the recovered thermal energy is recovered from the recovered solvent; and adding the recovered thermal energy to at least one of the one or more components.
摘要翻译：本发明涉及一种合成丙交酯的方法，包括以下步骤：向一种或多种组分中的至少一种添加热能; 将所述一种或多种组分提供给至少一个反应器，所述一种或多种组分包含乳酸和至少一种溶剂; 将至少部分乳酸转化为丙交酯和水; 回收至少一部分丙交酯; - 回收至少一种溶剂的至少一部分; 回收至少部分热能，其中至少部分回收的热能从回收的溶剂中回收; 并将回收的热能添加到一个或多个组件中的至少一个。

3. 发明申请

WO2017220521A1 SINGLE STEP LACTIDE PRODUCTION PROCESS WITH HYDROLYSIS OF OLIGOMERS AND CATALYST BY RECOVERED WATER 审中-公开
标题翻译： OLIGOMERS水解催化剂及回收水催化剂的单步法生产工艺
公开(公告)号：WO2017220521A1
公开(公告)日：2017-12-28
申请号：PCT/EP2017/065002
申请日：2017-06-20
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： YAZDANPANAH, Mahdi , CHAOUKI, Jamal , VAN WOUWE, Pieter , SELS, Bert
IPC分类号： C07D319/12
摘要： The present invention relates to a process for synthesizing lactide comprising the steps of: providing one or more components to at least one reactor, the one or more components comprising lactic acid; - converting at least part of the lactic acid into lactide and water and into lactic acid oligomers; recovering at least part of the lactide; recovering at least part of the water and at least part of the lactic acid oligomers; adding a feed, optionally comprising lactic acid oligomers, and optionally comprising water, to the recovered water and the recovered lactic acid oligomers, and mixing the feed with the recovered water and the recovered lactic acid oligomers to form a mixture; converting at least part of the lactic acid oligomers in the mixture into lactic acid and into lactic acid dimer; and removing at least part of the water from the mixture; whereby at least part of the remainder of the mixture is provided as one of the one or more components that are provided to the at least one reactor; and, wherein the step of converting at least part of the lactic acid into lactide and water is performed in one step.
摘要翻译：本发明涉及一种合成丙交酯的方法，包括以下步骤：将一种或多种组分提供给至少一个反应器，所述一种或多种组分包含乳酸; - 将至少部分乳酸转化为丙交酯和水并转化为乳酸低聚物; 回收至少一部分丙交酯; 回收至少部分水和至少部分乳酸低聚物; 向回收的水和回收的乳酸低聚物中加入任选包含乳酸低聚物和任选包含水的进料，并将进料与回收的水和回收的乳酸低聚物混合以形成混合物; 将混合物中的至少部分乳酸低聚物转化为乳酸并转化为乳酸二聚体; 并从混合物中除去至少部分水; 由此将所述混合物的剩余部分的至少一部分作为提供给所述至少一个反应器的所述一种或多种组分中的一种提供; 并且其中将至少部分乳酸转化为丙交酯和水的步骤在一个步骤中进行。

4. 发明申请

WO2017220519A1 SINGLE STEP LACTIDE PRODUCTION PROCESS WITH SEPARATE ENTRY FOR SOLVENT 审中-公开
标题翻译：单步法生产工艺，单独进入溶剂
公开(公告)号：WO2017220519A1
公开(公告)日：2017-12-28
申请号：PCT/EP2017/065000
申请日：2017-06-20
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： YAZDANPANAH, Mahdi , CHAOUKI, Jamal , VAN WOUWE, Pieter , SELS, Bert
IPC分类号： C07D319/12
摘要： The present invention relates to a process for synthesizing lactide, comprising the steps of: - adding thermal energy to at least one solvent; - providing one or more components to at least one reactor, the one or more components comprising lactic acid and the at least one solvent; - converting at least part of the lactic acid into lactide and water; and - recovering at least part of the lactide; wherein the step of adding thermal energy to the at least one solvent is performed prior to the step of adding the at least one solvent to the at least one reactor; wherein the at least one solvent is provided in the at least one reactor independently from the lactic acid by a separate entry into the at least one reactor; and, wherein the step of converting at least part of the lactic acid into lactide and water is performed in one step.
摘要翻译：本发明涉及一种合成丙交酯的方法，其包括以下步骤： - 向至少一种溶剂中加入热能; - 向至少一个反应器提供一种或多种组分，所述一种或多种组分包含乳酸和所述至少一种溶剂; - 将至少部分乳酸转化为丙交酯和水; 和 - 回收至少一部分丙交酯; 其中向所述至少一种溶剂中加入热能的步骤在将所述至少一种溶剂加入到所述至少一种反应器中的步骤之前进行; 其中所述至少一种溶剂通过独立地进入所述至少一个反应器而独立于所述乳酸而在所述至少一个反应器中提供; 并且其中将至少部分乳酸转化为丙交酯和水的步骤在一个步骤中进行。

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