【摘要】 在管式固定床反应器中,采用改性的分子筛催化剂,在温度195～220℃、乙醇浓度30～70 wt%、乙醇液时空速0.08～0.17 mol/g-cat./h的范围内,对乙醇脱水反应的本征动力学进行了研究。动力学研究结果表明,在实验条件范围内,乙醇脱水生成乙烯和乙醚的反应属于平行反应,符合Langmuir-Hinshelwood机理模型,表面反应为速率控制步骤。更多还原

【Abstract】 Kinetics of ethanol dehydration to ethylene and diethyl ether on zeolite in a tube fixed bed reactor had been studied.The kinetic date were taken under the condition of 195～220℃ temperature,30～70 wt% ethanol concentration and 0.08～0.17 mol/g-cat./h ethanol LHSV.A reaction modle was established,in which the surface reaction being the rate determining step and Langmuir–Hinshelwood type mechanism model being the most ideal model for the ethanol dehydration reaction.Ethane and ether produced by ethanol dehydration was refered as parallel reaction.更多还原