A Fundamental Model for Trickling Filter Process Design
Wastewater treatment using biofilms grown on a support media was the first continuous flow bioreactor employed by sanitary engineers nearly…
Upgrading a Landmark Water Treatment Plant
By 1982, rapid growth in the metropolitan area of Tampa, Fla., had increased the demand for water beyond the capacity…
Defensive Water Quality Modeling: Industry’s Role in NPDES Permitting
Recent developments have increased industry’s participation in the process of setting effluent limitations for its treated wastewater. Realistic effluent limitations…
Sulfide Control in Omaha and Cedar Rapids
Two midwest cities have implemented the caustic slugging technique for sulfide control on wastewater interceptors. The major problem at both…
Trickling Filter/Solids Contact Process: Full Scale Studies
This report outlines the characteristics that distinguish the trickling filter/solids contact (TF/SC) process for municipal wastewater treatment from other similar…
Finally, Some Hard Data on Water Conservation
The U.S. Department of Housing and Urban Development (HUD) sponsored the demonstration projects described in this paper to document the…
A Rehabilitation Case Study: Evaluating the Water Distribution System at the Long Beach Naval Complex
Insufficient pressure, numerous leaks, inadequate flows for fire fighting, decreased hydraulic capacity, occasional pipeline failures–these are the signs of a…
Planning a Cogeneration System for a Wastewater Treatment Plant
Cogeneration is proving to be the most cost-effective use of sludge gas at many wastewater treatment plants. The cogeneration system…
Municipal Sludge Composting Technology Evaluation
Widespread interest in composting as a means of municipal sludge treatment began in the early 1970s, and has increased dramatically…
Case Histories in Utility Infrastructure Rehabilitation
Until recently, the normal approach to upgrading water and sewer systems was to construct new pipelines parallel to existing mains….
Condensing Heat Recovery for Boilers
Reduction of boiler stack temperatures of between 350 and 450 degrees F to less than 140 degrees F, can save…
The Influence of Particulate Control and Water Management on SO2 Removal and Waste Generation
The Integrated Environmental Control (IEC) program in the Electric Power Research Institute (EPRI’s) Coal Combustion Systems Division was established to…