【摘要】 以模拟的费托合成高温油相产品为原料,采用尿素包合法从原料中分离正构烃。考察了活化剂的种类、包合反应条件、解包合反应条件等对正构烃分离效果的影响。通过正交实验研究,结果表明:乙醇为较适宜的活化剂;较优反应条件为反应温度5℃,反应时间60min,以1g原料为基准,尿素用量2.75g,乙醇用量3.5mL,水用量1.125mL。在此包合反应条件下,得到1-癸烯的回收率为87.75%,正癸烷的回收率为89.90%。尿素包合物的解包合反应实验结果说明,水的存在有利于解包合反应的进行,得到正构烃回收率较高。用水量为100 mL时,尿素包合物的解包合反应基本完成。更多还原

【Abstract】 The simulated high temperature oil phase products of Fischer-Tropsch synthesis were taken as raw materials and the urea inclusion method was used to separate n-hydrocarbons from the raw materials. The effects of activators,inclusion reaction conditions and unpacked reaction conditions on n-hydrocarbons separation were studied. Orthogonal experimental study showed that ethanol was a suitable activator and the optimal reaction conditions for inclusion were:reaction temperature 5 ℃,reaction time 1h,based on 1g raw materials,amount of urea 2.75 g,amount of ethano 3.5mL,amount of water 1.125 mL. Under the optimal reaction conditions,recovery rate of 1-decene was 87.75% and that of n-decane was 89.90%. The unpacked reaction results of inclusion complex illustrated that presence of water was conducive to the unpacked reaction and recovery rate of n-hydrocarbons was higher than without water. When water consumption reached 100 mL,the unpacked reaction of inclusion complex was completed.更多还原