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Studying the Effect of Process Parameters on the Epoxidation of Propylene in a Methanol Medium in the Presence of Extruded Titanium Silicate

机译:在硅酸钛挤压下研究工艺参数对丙烯在甲醇介质中环氧化的影响

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摘要

Quantitative data on the effect of process parameters on the main features of the liquid-phase epoxidation of propylene with an aqueous solution of hydrogen peroxide in the presence of extruded titanium silicate in a methanol medium are obtained. The effect of the solvent concentration (13.7-19.1 mol/L), the initial propylene : hydrogen peroxide ratio ((2-5) : 1), and the temperature (30-60°C) on the yield of the target product (propylene oxide) and such byproducts as 1,2-propyleneglycol, 1-methoxy-2-propanol, and 2-methoxy-1-propanol, is studied. The observed characteristics are used as a basis for recommendations concerning the conditions of propylene oxide synthesis in a continuous laboratory setup.
机译:获得了在甲醇介质中存在挤压硅酸钛的条件下,工艺参数对丙烯与过氧化氢水溶液进行液相环氧化的主要特征的影响的定量数据。溶剂浓度(13.7-19.1 mol / L),初始丙烯:过氧化氢比((2-5):1)和温度(30-60°C)对目标产物收率的影响(研究了环氧丙烷)和1,2-丙二醇,1-甲氧基-2-丙醇和2-甲氧基-1-丙醇等副产物。观察到的特性用作有关连续实验室设置中环氧丙烷合成条件的建议的基础。

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