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Synthesis of Methyl Tert-Butyl Ether from Methanol and Tert-Butyl Alcohol by Solid Acid Catalysis

Zhao Jinglian Su Kefeng Wang Yunhai (College of Chemical Engineering ,Xi'an Jiaotong University ,Xi'an 710049)  
The catalysts and reaction conditions for the synthesis of methyl tert-butyl ether (MTBE) from methanol and tert-butyl alcohol were studied. It was found that Resin 732 had the highest catalytic activity when it was immersed in 1 mol/L HCl solution for 1 h. The factors influencing the yield of MTBE were discussed. Under the optimum reaction conditions, i.e. , the molar ratio of methanol to tert-butyl alcohol 1 : 1, amount of catalyst -24 wt. % (based on the system total mass), and time fpr boiling refluxing 7 h, the conversion of tert-butyl alcohol was above 51. 3% and the yield of MTBE reached 37. 2%.
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