hat
Nan rejyon katòd an, toksik ions an metal ki te redwi a an kwiv tou dwat oswa ka chanje ion estati toksik valence anwo nan syèl la nan ti toksik ion an metal ak rediksyon nan katòd.
eng
In the cathode region, the toxic metal ions are reduced to metal directly or may change the toxic high valence metal ion into low toxic metal ion by reductions of cathode.