丙酮-乙酸乙酯分离工艺方法的研究

摘要针对传统上用水萃取分离丙酮—乙酸乙酯过程中存在选择性不高、分离效果不好等问题，研究了把盐和分散剂加入水中形成的复合萃取剂对体系的萃取分离效果的影响。结果表明，复合萃取剂可以使对丙酮的选择性系数从原来的３．８４提高到５．０×１０３。文中还研究萃取工艺参数的变化对萃取效果的影响，并提出用精馏—萃取方法分离体系。经初步热量衡算表明，该方法可比传统法节省约３０％的能耗。

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	邱学青
	杨东杰
	杨卓如
	陈换钦

关键词：丙酮乙酸乙酯分离萃取

Abstract： n this paper,we propose a new approach in separating acetone(CH3COCH3) and ethyl acetate(C2H5COOCH3). In order to reduce energy consumption,salts and dispersive agent are added into water to form composite extractants,which obviously change the effects of extraction separation.It is shown that the selectivity coefficient can be increased from 3.84 to 5.0×103.Effect of the operation parameter on separation and the feasibility in industrial production are explored.The distillation—extraction flow sheet of separation is presented.This method can save 30% of energy in comparison with the traditional method.

Keywords： acetone ethyl acetate separation extraction

Received 1998-07-15;

引用本文:

邱学青,杨东杰,杨卓如,陈换钦.丙酮-乙酸乙酯分离工艺方法的研究[J]. 化学工业与工程, 1998,15(3): 27-30

Qiu Xueqing Yang Dongjie Yang Zhuoru Chen Huanqin.A Technical Method to Separate Acetone—Ethylacetate[J]. Chemcial Industry and Engineering, 1998,15(3): 27-30