Working Document Series Open Access Nitrogen dynamics and removal by algal turf scrubber under high ammonia and organic matter loading in a recirculating aquaculture system J.S. Valeta · M.C.M. Verdegem High total ammonia nitrogen (TAN) concentrations were introduced to an Algal Turf Scrubber developed under loadings of Clarius gariepinus recirculating aquaculture system effluent to determine its potential and dynamics of TAN removal. TAN… RUF-35087 2010 CC BY 4.0 16 Sep 2015