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首次报道了轻烃芳构化微波反应技术,系统地研究了微波芳构化反应的场强分布和其控温系统的性能,详细研讨了微波加热速率与微波辐射时间、被加热物质体积及高径比等影响因素的关系,建立了微波辐射时间与微波加热之间的定量关系,从微观角度解释了影响氧化物升温速率诸因素。结果表明,该微波反应系统微波场强分布均匀,控制仪性能可靠;微波辐射时间、被加热物质的体积及高径比对微波加热效果有不同的影响,同时在ZnNi/HZSM-5催化剂上进行了石油液化气芳构化反应试验,在400℃、WHSV=1h-1条件下反应,与常规反应相比,芳烃收率提高17.1%,BTX选择性显著提高。
For the first time, the hydrocarbon aromatization microwave reaction technology was reported. The field intensity distribution and the temperature control system performance of the microwave aromatization reaction were systematically investigated. The effects of microwave heating rate, microwave irradiation time, volume and height of the heated material Diameter ratio and other factors, established a quantitative relationship between microwave irradiation time and microwave heating, from a micro perspective to explain the factors that affect the rate of oxide heating rate. The results show that the microwave field distribution is uniform and the performance of the controller is reliable. The effects of microwave irradiation time, the volume and aspect ratio of the heated material have different effects on the microwave heating effect, and simultaneously on the ZnNi / HZSM-5 catalyst The aromatization reaction of liquefied petroleum gas was carried out under the condition of 400 ℃ and WHSV = 1h-1. Compared with the conventional reaction, the yield of aromatics was increased by 17.1%, and the BTX selectivity was significantly increased.