Lee, Mong-Chuan Kinetics of nitrification in a fixed biofilm reactor using dewatered sludge-fly ash composite ceramic particle as a supporting medium. [electronic resource] - Biodegradation Nov 2014 - 849-65 p. digital Publication Type: Journal Article ISSN: 1572-9729 Standard No.: 10.1007/s10532-014-9705-2 doi Subjects--Topical Terms: Biodegradation, EnvironmentalBiofilmsBioreactors--microbiologyCeramicsCoal Ash--chemistryKineticsNitrification