An Analysis Program for Beam Slab on Elastic Foundation
This program has been developed for past years, and this has been employed to analyze several foundation structures for sanitary…
An Analysis Program for Circular Cylindrical Tank
Circular tank with rotationally symmetric continuities or discontinuities in geometry of shells are very largely used for the digester, sedimentation…
Water Utility Revenues in a Post-Proposition 13 Environment
The effect of Proposition 13 on the revenues of water utilities, both publicly and investor owned, has thus far been…
Design of an Overland Flow System at Newman, California
For many years, the City of Newman has employed a very simple septic tank and oxidation pond system to treat…
The Impact of the Drought on Wastewater Treatment Plants and Their Operation
The impact of the drought of wastewater treatment plants is important to water purveyers and suppliers for two reasons. First,…
Characterization of Particles in Digested Sewage Sludge
Some physical properties of several digested sludges have been measured to better characterize the sludge particle system. The particle size…
Sludge Pyrolysis: How Big a Future?
Sewage sludge pyrolysis is a cost-effective solution to sludge disposal. In a full scale test on sludge pyrolysis, no identifiable…
The Relationship Between Organic Loading, Dissolved Oxygen Concentrations and Sludge Settleability in the Completely-Mixed Activated Sludge Process
The activated sludge process consists of an aerated, mixed reactor (the aeration basin) followed by a clarifier-thickener (the secondary sedimentation…
Dedicated Land Disposal of Lagooned Sludge
Dedicated land disposal of lagooned sludge, when used in conjunction with anaerobic digestion, can be an economical and environmentally sound…
Alternative and Innovative Wastewater Management Technologies and Filtration in Wastewater Treatment
One important result of the Federal Clean Water Act of 1977 (also known as the Federal Water Pollution Control Act…
Inflow Reduction as the Cornerstone for CSO Abatement Portland Oregon
The Willamette River plays an important role in the quality of life in Portland, Oregon. It is a central feature…
Upgrading Biological Filter Effluents Using the TF/SC Process
The trickling filter/solids contract process has been shown to be an excellent means of upgrading biological filter plants in North…