electrofiltration

electrofiltration

[i‚lek·trō·fil′trā·shən]
(geology)
Counterprocess during electrical logging of well boreholes, in which mud filtrate forced through the mud cake produces an emf in the mud cake opposite a permeable bed, positive in the direction of filtrate flow.
References in periodicals archive ?
It showed that in 10 minutes or less, the BAC-Xtrax[TM] gel electrofiltration system concentrates live bacteria and substantially clears the sample from complex interference.
In this electrofiltration step the cells cannot pass the filter membrane, so they remain in the collector.