【摘要】 本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯 ,其方法是溶剂萃取。选择所使用的溶剂和提取的条件 ,结果表明利用石油醚提取的效果最好。提取结果和溶剂种类、提取时间、提取温度、固液比、提取次数等因素均有关系。利用正交实验可找到最佳提取条件更多还原

【Abstract】 Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.The efficiency of extraction is connected tightly with extraction time,extraction temperature and solid-liquid proportion.We have found the best method to extract limonene by means of orthogonal test.更多还原