Tidal Exchange at Golden Gate
Because of the complexities of bay and estuarine systems, sophisticated mathematical models are being employed to an increasing degree in…
Evaluation Protocol: Non-Potable Options for Meeting Urban Water Needs
The reuse of municipal wastewater is motivated by two primary considerations: 1. A shortage of fresh water supplies. 2. The…
Effect of Turbulence on Activated Sludge Effluent Clarity
The activated sludge process is one of the most commonly employed sewage and industrial waste treatment processes. However, increasingly stringent…
Techniques for Formalization of Maintenance Procedures
Every man who has ever been in charge of the operation and maintenance of a plant that utilizes a large…
Development and Implementation of Biological Denitrification for Two Large Plants
The development of two different denitrification systems is described in this paper. An attached growth denitrification process was developed for…
Automation Comes to L.A
An expandable automated control system which will permit the addition of improved processing techniques as they become available is being…
Physical Conditioning of Activated Sludge Floc
The activated sludge process is one of the most commonly employed domestic and industrial waste treatment processes. However, increasingly stringent…
Floc Breakup in Turbulent Flocculation Processes
Flocculation processes are found in both water and waste treatment applications. In studies of the physical nature of these processes,…
Lime Recovery and Reuse in Primary Treatment
The lime recovery and reuse study was an integral part of the research program undertaken by the Central Contra Costa…
Characteristics and Treatment Alternatives for Refinery Wastewater
The characteristics of wastewaters emanating from refineries can be quite variable not only at a specific plant, but from plant-to-plant…
Solids Disposal Systems for Lower Molonglo Water Quality Control Centre
The Lower Molonglo Water Quality Control Centre includes a series of unique solids disposal systems made necessary by the nature…
Special Considerations In Design of Water Rates
Techniques of water rate design has been the subject of numerous committee reports and papers that have appeared in A.W.W.A….