Fig. 7From: The bacterial community significantly promotes cast iron corrosion in reclaimed wastewater distribution systemsa The abundance variation in Desulfovibrio during a 1-year period. b Model of the redox transition between NO3− and NO2−, Fe, Fe2+, and Fe3+. The electrochemical corrosion process is represented by black dotted lines, and the microbial-induced corrosion process is represented by black solid linesBack to article page