4. Conclusions
FLFW with high organic acid content was produced in this
study under anaerobic conditions without pH adjustment and at
room temperature. Using the FLFW as the sole carbon source for
wastewater treatment, maximized denitrification was achieved at
COD/N ¼ 6. The readily biodegradable fraction in the FLFWwas as
high as 58.35% and brought about a denitrification result similar
to sodium acetate but much better than glucose in terms of ni-
trogen removal, VDN,PDN,VCOD and YH. This fully showed the
advantageous property of the FLFW as a complex carbon source
over mono-component carbon source for enhancing nitrogen
removal.