大孔树脂D4020对糠醛吸附性能的研究

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通过树脂筛选确定大孔吸附树脂D4020为吸附剂,对溶液中的糠醛进行分离纯化,考察体系温度、进料流量等对吸附和洗脱过程的影响。结果表明:进料温度为15℃,进料流量2ml/min为最佳吸附条件;选用70wt%乙醇溶液为洗脱剂、温度为40℃,流量为2ml/min时,糠醛洗脱率达到93.79%。
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