A cost benefit approach to reactor sizing and nutrient supply for biotrickling filters for air pollution control

摘要

In the present paper, a general model was developed that allowsthe selection of the most cost-effective operation of biotricklingfilters for air pollution control. The model was demonstrated for atypical case of industrial pollution: 10,000 m~3 h~-1 airstreamcontaminated with 1.5 g m~-3 toluene. The effects of nitrogen(asnitrate)loading on the pollutant elimination capacity and on the rateof biomass growth were considered. Using model simulations, theinfluence of the nitrate loading on the overall treatment cost wasquantified and an optimum nitrate loading was deter- mined.