Overland Flow of Oxidation Pond Effluent at Davis, California
Oxidation ponds are one of the most commonly employed secondary wastewater treatment systems in the United States for systems with…
Temperature Effects on BOD Stoichiometry and Oxygen Uptake Rate
The effect of temperature on biochemical oxygen demand (BOD) exertion rate and stoichiometry is important because most natural or engineered…
Incineration of Industrial Wastes
This article describes an incineration facility that has successfully dealt with problems such as handling of toxic materials, incinerator design,…
Biological Odor Removal Towers
The ventilation of working areas where odors are present is often required for personnel safety and comfort reasons. A continuous…
Oxygen and Air Activated Sludge: Another View
A. Kalinskie1 and T. D. Chapman et al.2 have presented two interesting and divergent comparisons of the air and high…
Full-scale Testing of Energy Production from Solid Waste
Background and objectives of a full scale test of combustion and pyrolysis of sludge and refuse derived fuel are discussed….
PL 92-500 vs. Local Priorities: Seattle’s experience may show how to reconcile conflicts between local and federal needs
Facility planning in Seattle may provide a clue toward future handling of conflicts between local needs and PL 92-500. The…
The Operator Joins the Design Team
When we talk about the operator joining the wastewater treatment plant design team, we are not referring to the most…
Case Histories of Automatic Control of Dissolved Oxygen
Automatic control of mixed liquor aeration in activated sludge processes is being applied in increasing numbers of wastewater treatment plants….
Navy Water Plant Features Dual Media Filtration
Use of 30 inches of granular activated carbon in dual-media filtration provides effective taste and odor control at the Lemoore…
Using Instrumentation to Increase Efficiency of Plant Pollution Control System-Its Use in the Efficient Management of Digester Gas
Power generation from digester gas has been the subject of increased interest as a result of recent energy shortages and…
Rate Making Practices of State Regulatory Commissions
A survey taken by members of the AWWA Valuation and Depreciation Com. reports the basis and permitted rate of return…