increasing aeration efficiency by 20% or more over the best of commonly used fine bubble devices. Whether removing BOD in a high rate process, nitrifying in a conventional activated sludge process or removing nutrients with anoxic/oxic configurations, this panel system means a minimum 20% reduction on energy cost in aeration, and a 10% savings in total plant energy cost. Parkson Corp., an Axel Johnson company, Fort Lauderdale, FL, 800-553-5419, www.parkson.com
Thermal belt dryer
This belt dryer’s multiple belt, variable speed, low temperature compact design provides advanced drying technology to municipal and industrial markets. The