The implications of pulsating anode potential on the electrochemical recovery of phosphate as magnesium ammonium phosphate hexahydrate (struvite)

Galvanic lithotrophy, a new path to fuel bioelectrochemical processes

“…: on the magnesium surface), in parallel to galvanic dissolution. [28][29][30] If hydrogen produced in the anode was used by bacteria as the electron donor for denitrification, this would have influenced the coulombic efficiency of the system yielding higher values than the ones of the positive control. As very similar coulombic efficiencies were obtained in galvanic and positive control systems (with values agreeing with those reported in previous studies), 14,31 it can be assumed that hydrogen contribution to denitrification was negligible.…”