Performance Quantified: The Impact of Final Clarifier Improvements on Effluent Quality
Construction scheduling for the expansion of the City of Greeley (Colorado) Water Pollution Control Facility from 12 to 16 mgd…
A Tabular/Graphical Approach for More Economical, User-Friendly Computerized O&M Manuals
Operation and Maintenance (O&M) Manuals are a valuable reference for day-to-day use in wastewater treatment plants. However, repeated surveys of…
Primary Sedimentation: It*s Performing Better Than You Think
Historical operating data from four full-scale wastewater treatment plants were used to evaluate an empirical expression describing primary sedimentation tank…
Developing Cost/Benefits for The Implementation of Computer Technology at Water and Wastewater Utilities
While it is clear that computer technology can ultimately improve many specific functions within water and wastewater utilities–and thus the…
Simulation of Dye and Suspended Solids Transport in Circular Secondary Settling Tanks
A mathematical model for predicting the flow field, suspended solids and dye transport in secondary circular clarifiers is presented. The…
Biodegradation of Phenanthrene in Sand Columns in the Presence of Non-Ionic Surfactants
The effects of three nonionic surfactants on phenanthrene (C14H10) removal and mineralization by aerobic bacteria were studied using a bench-scale…
Preservation and Protection of Drinking Water and Natural Water Quality
Population growth and competing demands within natural watershed boundaries may make existing drinking water supply inadequate for future demand. Watershed…
Watershed Awareness: Stakeholder Development
Water resources development, watershed restoration, and environmental eduction have taken on new dimensions. Decisions related to projects, water quality, and…
Integrating Business Practices and Automation For Performance Gains
The Miami-Dade Water and Sewer Department (WASD) is undertaking substantial improvements to their water and wastewater systems in order to…
Hydraulics in Constructed Wetlands
To determine factors influencing the hydraulics of constructed wetlands, the following studies have been conducted at the free-water surface Sacramento…
Moving Beyond Benchmarking To Competitve Utility Performance: Applying Private Sector Business Tools in The Public Utility
Over the last 2 years, public utilities have focused significant attention on becoming more competitive. To achieve this competitiveness, utilities…
From Pilot to Full Scale: Innovative Treatment System For Color, Surfactants, and Ammonia Control
The City of San Luis Obispo’s 804 cubic meter/hour (5.1 million gallon per day) average dry weather flow (ADWF) Wastewater…