Pumping water with no electric field (on average)

Here are the slides from Jaz’s presentation at the fall AIChE meeting earlier this month. We are putting electric fields across thin porous membranes to pump water. The unusual thing about our work is the time-averaged amplitude of the electric field is 0. Asymmetry in the membrane materials introduces a preferred flow direction with pressures comparable to microfludic pumps designed around the same┬áprinciple. However, the membranes have a flow through format that could adapt to back-flushing water purification systems.┬áThe research is supported by the National Science Foundation through the grant “Powering the Kentucky Bioeconomy for a Sustainable Future.”

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