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1. 发明公开

EP4074408A1 IMPROVED CYCLE GAS PROCESS FOR PREPARATION OF ETHYLENE OXIDE FROM ETHANOL 无效
公开(公告)号：EP4074408A1
公开(公告)日：2022-10-19
申请号：EP21168186.1
申请日：2021-04-13
申请人： Clariant International Ltd
发明人： FRANKE, Oliver , OTROMKE, Malte , BRAND, Stefan , WACHSEN, Olaf
IPC分类号： B01D53/14 , C07D301/10 , C07C29/60
摘要： The invention relates to a cycle gas apparatus 1 for preparation of ethylene oxide from ethylene in a cycle gas process, comprising: a) an epoxidation reactor 2 containing a catalyst suitable for conversion of ethylene to ethylene oxide, having an inlet for a reactant gas and an outlet for the product gas 3, b) a first separator stage 7 suitable for removing ethylene oxide from the cycle gas process and providing it in a product stream 10, where the first separator stage 7 has an inlet connected to the outlet from the epoxidation reactor 2 and has an outlet by which the remaining gases can be returned to the cycle gas process, c) a second separator stage 12 suitable for removing CO 2 from the cycle gas process, where the second separator stage 12 has an inlet which is connected to the outlet of the first separator stage 7 and has an outlet by which the remaining gases can be returned to the cycle gas process, d) one or more gas inlets 15, 16 that allow introduction of O 2 and a ballast gas into the cycle gas apparatus 1, characterized in that there is a reactant stream inlet 4 between the outlet from the epoxidation reactor 2 and the first separator stage 7, which permits the introduction of ethylene into the cycle gas apparatus 1. The invention also relates to a process for preparing ethylene oxide from ethylene with the cycle gas apparatus 1 according to the invention, wherein an ethylene-containing reactant stream 5 is introduced into the cycle gas apparatus 1, and an ethylene oxide-containing product stream 10 is obtained.

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