An apparatus for adsorbing at least one dissolved or suspended constituent from an ionically conducting medium which comprises a cell chamber, fluid inlet and outlet pipes leading into and out of the chamber and, positioned consecutively across the chamber, a charcoal cloth working electrode, a porous...http://www.google.com.au/patents/US4400250?utm_source=gb-gplus-sharePatent US4400250 - Adsorption onto charcoal cloth
