Sa. Raj et Dvs. Murthy, NITRIFICATION OF SYNTHETIC WASTE-WATER IN A CROSS-FLOW MEDIUM TRICKLING FILTER, Bioprocess engineering, 19(2), 1998, pp. 149-154
The nitrification performance of a synthetic wastewater was investigat
ed in a cross flow medium trickling filter. The attachment of biomass
on packing medium was studied. The reactor was operated continuously f
or three different hydraulic loading rates 5, 9 and 13 m(3)/m(2).d und
er various influent ammonium concentrations. The maximum specific surf
ace nitrification rate was about 1.21 g/m(2).d. There was a good agree
ment between actual and predicted alkalinity consumption. The ammonium
conversion along the filter depth was also investigated. The external
surface of the nitrifying biofilm was captured by scanning electron m
icroscope. The results are found to be satisfactory.