Unit Process Performance Modeling and Economics for Cannery Waste Treatment
The canning industry is more frequently undertaking waste treatment operation at the cannery site rather than alternative disposal of its…
Water Quality Management and the Time Profile of Benefits and Costs
Economists, in evaluating the long-term benefits in public works projects, have traditionally held that long-term benefits will contribute very little…
Planning to Meet 1983 Water Quality Goals in Seattle
Upgrade Seattle Metro’s primary treatment plants discharging to Puget Sound or emphasize control of combined sewer overflows? Public Law 92-500…
A Discussion of “Air or Oxygen Activated Sludge”
Stukenberg and McKinney have drawn an interesting comparison between air activated sludge and oxygen activated sludge systems.1 Their paper examines…
Wastewater Irrigation–The Price is Right
While many communities are talking about water reclamation, the City of Santa Rosa has turned words into action. The city…
Sludge Disposal
Conditioning and disposal of solids has historically caused most of the operating difficulties and accounted for a significant portion of…
The State Water Plan and Salinity Control in the Sacramento-San Joaquin Delta of California
With an average annual runoff of 70 million acre-feet (maf) and a demand of 30 maf,1 California’s water supply problem…
Sewage Oxidation Ponds-Performance, Operation and Design
Sewage oxidation ponds as used in southwestern United States may be described as shallow artificial basins designed to receive clarified…
Planning for Water Reclamation and Industrial Reuse in San Francisco Bay Area
The San Francisco Bay Region, situated in the semi-arid central portion of California (Fig 1), is an area of high…
Discussion of “Nitrification Design Approach for High Strength Ammonia Wastewater”
Nitrification design approach for high strength ammonia wastewaters, C. E. Adams, Jr., and W. W. Eckenfelder, Jour. Water Poll. Control…
Ocean Outfall Studies at San Diego
San Diego County borders the Pacific Ocean in the extreme southwestern corner of the United States. The coast line extending…
Card Record Systems for Preventive Mantenance
In any preventive maintenance program, whether in a small or large treatment plant, systematic organizing, scheduling, and recording of the…