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This paper reviews the nature of the ethyl acetate , uses and a variety of production methods , summarizes the various methods of separation of ethyl acetate , ethanol and water at home and abroad . Proposed liquid-liquid extraction separation of the mixed solution . On the basis of summing up the research results at home and abroad , through theoretical analysis and experimental studies to determine glycerol as extractant ethyl acetate - ethanol - water solution . Detailed study of the mixing time , speed , and standing time factors such as liquid - liquid equilibrium , to optimize the best conditions . In the balanced condition is determined on the basis of the determination of the ethyl acetate - water , ethyl acetate - glycerol, ethyl acetate - water - glycerol , ethyl acetate - ethanol - glycerol , ethyl acetate - ethanol - water and ethyl acetate - ethanol - water - glycerol liquid-liquid equilibrium data for multi - system , using the minimum variance method associated with the the UNIQUAC equation model parameters and the liquid-liquid equilibrium data , related results show that : the UNIQUAC equation associated with the experimental results error is smaller . Multi-level cross-flow extraction process systematic study of the effects of solvent ratio, speed , mixing time , standing time and extraction stages of ethyl acetate - ethanol - water separation process . The experimental results show that : when the solvent ratio ( Vs / VF ) 1:1 speed 650r/min , stirring time of 30 min , standing time of 30min, the best extracts ; After three wrong current extraction , ethyl acetate at room temperature ester content of 99.6% . On the basis of the cross-flow , counter-current system , the effects of solvent ratio , speed , amount of feed and other factors ethyl acetate - ethanol - water separation process . Experimental results show that : at room temperature when the rotational speed of 500r/min, solvent ratio of 1.25:1 , the feeding amount of 1.0ml/min best extracts ; 4 countercurrent extraction , ethyl acetate content up to 98.6% . The UNIQUAC equation balance model phase partitioning coefficient method were right or wrong flow extraction and countercurrent extraction process associated error is small compared with experiments and related results . Separation method used in this paper is simple, low energy consumption of the extraction process , provides a detailed basic data for further ethyl acetate extract high purity .
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