The invention provides a method of changing the electrode-based pumping parameters of a liquid, the method comprising (a) selecting a pumping additive based on the pumping pressure, pumping flow rate and electrical efficiency exhibited by the additive, and (b) mixing the pumping additive with the liquid...http://www.google.com.au/patents/US6120665?utm_source=gb-gplus-sharePatent US6120665 - Electrokinetic pumping
