The Application of Nanofiltration Technology in Recovery of Ionic Liquids from Spinning Wastewater

Abstract:

In this paper, the effects of the concentration, temperature, and run-time of ionic liquids solution, on the rejection capacity of home-made hollow fiber composite nanofiltration membrane were studied. Then the nanofiltration membrane was used to the recover ionic liquids by concentrating spinning wastewater. The results shows that: The rejection rate of the composite nanofiltration membranes and its water fluxes lightly down with the concentration of ionic liquids increase; with running-time and temperature of ionic liquid solution increase, the rejection rate of the composite nanofiltration membranes decreases, but its water flux increases; the nanofiltration membrane can be use for recovering ionic liquid from the spinning wastewater and get very good recovery effects.

• Periodical: Applied Mechanics and Materials (Volumes 178-181)
• Pages: 499-502
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.178-181.499
• Online since: May 2012
• Authors: Xi Liu, Wei Wang
• Keywords: Hollow Fiber Membrane, Ionic Liquid (IL), Nanofiltration, Spinning Wastewater

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