Emulsion liquid membranes (ELMs) were applied to the seperation of citric acid from an aqueous feed solution, and the water transport (emulsion swelling) was studied during separation of citric acid.

• 本文研究了采用W/O型乳化液膜提取水溶液中的柠檬酸，同时研究了柠檬酸提取过程中水的传质行为（乳液溶胀）。