Abstract
Ammonia was deodorized using fibrous peat on laboratory-scale. The removal of NH 3 by the peat was principally by physical and chemical adsorption of NH 3 with functional groups of humic substances of the peat. The NH 3 adsorption capacities of the various peats tested ranged from 10 to 20 g-N/kg·dry peat, and were decreased by neutralization with Ca(OH) 2. The removal of NH 3 by nitrification could be achieved by seeding the peat with nitrifying bacteria. The maximum removal rate of NH 3 was about 70 percent of the nitrifying capacity which was, in this study, quantified by 48 h nitrifying capacity.
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