Fig. 4

a COD removal, b % total phosphorus (P) recovery c % ammonium recovery, and d % SO42− recovery for hybrid anodes in the MNRC system for 10 cycles (i.e., 10 days of operation)
a COD removal, b % total phosphorus (P) recovery c % ammonium recovery, and d % SO42− recovery for hybrid anodes in the MNRC system for 10 cycles (i.e., 10 days of operation)