The Synthesis of Polyoxymethylene Dimethyl Ethers for New Diesel Blending Component

Xiao-Qing Deng, Z. Cao, Xiu-ping Li, Dongyun Han, Rongxiang Zhao, Yuge Li
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引用次数: 4

Abstract

Polyoxymethylene dimethyl ethers are a new type of diesel fuel additive, and are synthesized by using trioxymethylene and methanol as raw material and ionic liquid as catalyst. In the experiment, the effect of catalyst dosage, ratio of raw materials, reaction temperature, time and pressure, and reusing times of catalyst were studied. The results showed that when the reaction was carried out under the conditions of 5 wt% catalyst, m(Trioxymethylene)/m(Methanol) 1.5, temperature 110°C, time 4 h, pressure 2.0 MPa, conversion of trioxymethylene is 94.25%. The ionic liquids could be reused five times without noticeable drop in activity.
新型柴油混配组分聚氧二甲基醚的合成
聚氧亚甲基二甲基醚是一种新型的柴油添加剂,以三氧亚甲基和甲醇为原料,以离子液体为催化剂合成。实验研究了催化剂用量、原料配比、反应温度、反应时间、反应压力、催化剂重复使用次数等因素对反应的影响。结果表明,在催化剂质量分数为5wt %,甲醇浓度为m(三氧亚甲基)/m(甲醇)浓度为1.5,反应温度为110℃,反应时间为4h,反应压力为2.0 MPa的条件下,三氧亚甲基的转化率为94.25%。离子液体可以重复使用五次,而活性没有明显下降。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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