氨氮还原成氮气机理方面

氨氮还原成氮气机理方面Poweringdenitrification:theperspectivesofelectrocatalyticnitratereductionMatteoDuca*abandMarcT.M.Koper*aReceived3rdAugust2012,Accepted24thSeptember2012DOI:10.1039/c2ee23062cImbalancesinthenitrogencyclecausedbyhumanactivities(combustion,fertiliser-intensiveagriculture)haveresultedinalarminglyincreasedlevelsofnitrateingroundwaterandotherwaterbodies,withpotentiallyhealth-threateningconsequences.Theelectrocatalyticremovalofnitratefrompollutedwaterisapromisingalternativetobacterialdenitrification,providedthatfullselectivitytoharmlessN2,whichcanbereturnedtotheatmosphere,isachieved.Thisperspectivearticlediscussesthestate-of-the-artofresearchonelectrocatalyticdenitrification,criticallyevaluatingtheobstaclesstillhamperinglarge-scaleapplicationofthistechnique.Themilestonesoffundamentalresearchfocussingonthecathodereactionwillfirstbedealtwith,followedbytheirtranslationintoelectrochemicalreactorsofpracticalinterest.Finally,ashortforayintothenovelfieldofbioelectrochemicalreactorswillclos