A new method of supported liquid-membrane (SLM) for extracting the citric acid was proposed in this paper.The experimental results proved that it is possible to extract citric acid by SLM.

• 摘要提出了用支撑液膜法从柠檬酸的发酵液中提取柠檬酸的新方法，实验结果表明用支撑液膜法提取柠檬酸是可行的。