16-04-2020 дата публикации
Номер: KR0102101281B1
본 발명은 1-클로로-3,3,3-트리플루오로프로펜 (1-chloro-3,3,3-trifluoropropene), 2,3,3,3-테트라플루오로프로펜 (2,3,3,3-tetrafluoropropene) 및 1,3,3,3-테트라플루오로프로펜 (1,3,3,3-tetrafluoropropene)을 공동으로 제조하는 방법을 공개하였으며, 플루오르화수소와 1,1,1,3,3-펜타클로로프로판의 혼합가스를 1,1,2,3-테트라클로로프로펜과 함께 제1 반응기에 동시 통과시켜 반응하게 하여, 반응산물을 얻으며; 얻은 산물을 제2 반응기에 바로 보내어, 촉매의 작용하에서 반응하게 하고, 얻은 산물을 염화수소 분리, 물 세척, 알칼리 세정, 건조시킨 후 정류하여 1-클로로-3,3,3-트리플루오로프로펜, 2,3,3,3-테트라플루오로프로펜 및 1,3,3,3-테트라플루오로프로펜 제품을 각각 얻는다. 본 발명은 생산이 편리하고, 공정이 간단하며, 투자가 적고, 에너지 소모가 작고, 전환율이 높은 장점이 있다. The present invention is 1-chloro-3,3,3-trifluoropropene (1-chloro-3,3,3-trifluoropropene), 2,3,3,3-tetrafluoropropene (2,3, 3,3-tetrafluoropropene) and 1,3,3,3-tetrafluoropropene (1,3,3,3-tetrafluoropropene) have been disclosed, and hydrogen fluoride and 1,1,1, The reaction product is obtained by simultaneously passing the mixed gas of 3,3-pentachloropropane together with 1,1,2,3-tetrachloropropene through the first reactor to react; The obtained product is sent directly to the second reactor to react under the action of a catalyst, and the obtained product is separated by hydrogen chloride, washed with water, washed with alkali and rectified after drying to rectify 1-chloro-3,3,3-trifluoropropene. , 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene products, respectively. The present invention has advantages of convenient production, simple process, low investment, low energy consumption, and high conversion rate.
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