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本文介绍了液膜法处理模拟工业山梨酸结晶残液的实验室工作。山梨酸结晶残液经一级液膜萃取，萃取率达９９％以上，既可大大提高山梨酸的实际收率，亦避免了因排放山梨酸废水给环境带来的严重污染。
This paper presents the laboratory work of the liquid film method for the simulation of industrial sorbic acid residue. The sorbic acid residual liquid is extracted by a liquid membrane and the extraction rate is over 99%, which can not only greatly increase the actual yield of sorbic acid but also avoid the serious pollution caused by the discharge of sorbic acid wastewater to the environment.