A new catalyst mixture for synthesis of 1, 3, 5‐trioxane. Issue 5 (19th January 2022)

• Record Type: Journal Article
• Authors: Ren, Chunxiao; Li, Jisheng; Wang, Jingjing; Jiang, Siqi; Guo, Xin; Qi, Jianguang; Jiao, Congzhe; Wang, Yichuan; Hu, Yufeng; Liu, Zhichang
• Is Part Of: Journal of chemical technology & biotechnology. Volume 97:Issue 5(2022)
• Page Start: 1275
• Page End: 1279
• Publication Date: 2022-01-19
• Subjects: new catalyst mixture -- phase separation -- catalytic activity and selectivity -- 1, 3, 5‐trioxane -- catalytic distillation; Biotechnology -- Periodicals; Chemistry, Technical -- Periodicals; Chemical engineering -- Periodicals; Industries -- Environmental aspects -- Periodicals; 660
• DOI: 10.1002/jctb.7022
• Languages: English
• ISSNs: 0268-2575

Abstract

Abstract: BACKGROUND: A new catalyst mixture, namely trifluoromethanesulfonic acid + N ‐methylimidazolium trifluoromethanesulfonate (CF3 SO3 H + [mim][CF3 SO3 ]), is developed to overcome long‐standing problems of commercial catalysts and catalytic distillation for 1, 3, 5‐trioxane synthesis. CF3 SO3 H serves as a catalyst to accelerate the main reaction and [mim][CF3 SO3 ] serves as an extractive distillation agent to promote phase separation. Unlike the conventional design methods whose purpose is to increase catalytic activity and selectivity, this catalyst mixture is designed to significantly enhance phase separation. RESULTS: Compared to commercial catalysts, the new catalyst mixture significantly increases product concentration in distillate, and significantly decreases byproduct concentration in reaction liquid phase and volatilization loss of reactant in reaction liquid phase. This catalyst mixture also considerably decreases corrosion rate and salting out effect of catalyst. CONCLUSIONS: Our design approach is of general significance for catalytic distillation. As a real example, it is used to markedly improve the performances of commercial catalysts for 1, 3, 5‐trioxane synthesis. © 2021 Society of Chemical Industry (SCI).