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研究大孔吸附树脂从3-甲基黄嘌呤(3-methylpurine)结晶母液中分离回收产品的工艺条件。比较了HZ818,HZ830,HZ801,HZ832,HZD-2等5种大孔吸附树脂的吸附性能,同时对母液中的3-甲基黄嘌呤在HZ801吸附柱上的动态吸附解吸过程进行了研究。结果表明,大孔吸附树脂HZ801能更好地分离回收3-甲基黄嘌呤,室温下,其静态吸附量在13mg/m L左右,用50%的乙醇(p H 10.0)可以将吸附在树脂柱上的3-甲基黄嘌呤有效解吸,平均解吸率在90%以上。大孔吸附树脂HZ801是从生产母液中分离回收3-甲基黄嘌呤的一种适宜吸附剂。该工艺简单易操作,具有一定工业化参考的价值,为生产企业提供了一条新思路。
The conditions for the separation and recovery of macroporous resin from the mother liquor of 3-methylpurine were studied. The adsorption properties of 5 macroporous adsorption resins such as HZ818, HZ830, HZ801, HZ832 and HZD-2 were compared. The dynamic adsorption and desorption processes of 3-methylxanthine in mother liquor on HZ801 adsorption column were also studied. The results showed that the macroporous resin HZ801 could separate and recover 3-methylxanthine better. At room temperature, the static adsorption capacity of HZ801 was about 13mg / m L, and adsorbed on the resin with 50% ethanol (p H 10.0) 3-methyl-xanthine column desorption, the average desorption rate of 90%. Macroporous resin HZ801 is a suitable adsorbent for the separation and recovery of 3-methylxanthine from the mother liquor. The process is simple and easy to operate, with a certain value of industrial reference for the manufacturing enterprises to provide a new idea.