Campaign 1

MBBR

Effluent treated with moving bed bioreactor alone

MBBRO_{3 tert}

Effluent treated with moving bed bioreactor followed by tertiary ozonation [15 mg O₃/L TOD]

Campaign 2

CASO_{3 loop}

Effluent treated with conventional activated sludge ozonated in the recirculating loop [9.4 mg O₃/L TOD]

CAS

Effluent treated with conventional activated sludge alone

CASO_{3 tert}

Effluent treated with conventional activated sludge followed by tertiary ozonation [5 mg O₃/L TOD]