EFFECT OF THE FOOD-TO-MICROORGANISM RATIO ON AEROBIC GRANULATION
HENRIQUES JUSTINE1,2, YIN JIN 1,3, WAN JUNFENG 3, CASELLAS MAGALI1, DAGOT CHRISTOPHE4
1 PEIREINE, 16 rue Atlantis, Limoges, France 2 EXOCELL, 121 rue du Galibot, Lallaing, France 3 School of Chemical Engineering and Energy, 100 Science Avenue, Zhengzhou, China 4 INSERM 1092, 2 rue du Docteur Marcland, Limoges, France
Abstract
The utilization of aerobic granular sludge (AGS) conjugates compactness and
productivity. But, the formation of granules needs appropriate operational conditions like
food-to-microorganism (F/M) ratio. This research is focused on the optimal F/M ratio to
maximize the reactor capacity while forming AGS. Aerobic granulation could be achieve
with a COD removal efficiency higher than 90% for a F/M ratio below
1,5 kgCOD.kgVSS‐1.d-1.