Making a Trickling Filter/Solids Contact Process Work for Cold Weather Nitrification and Phosphorus Removal
It is anticipated that the West Windsor Pollution Control Plant (WWPCP) (Windsor, Ontario, Canada) will be required to be upgraded…
Operational Criteria as an Alternative Approach to Compliance with Wastewater Disinfection Treatment Standards
To meet state effluent discharge regulations regarding basic level disinfection and chlorine toxicity, the Miami-Dade Water and Sewer Department (WASD)…
Reclamation and Reuse Using Constructed Wetlands
Constructed wetlands can be used to reclaim and reuse municipal and industrial wastewater. Reclamation can involve removal of BOD, suspended…
Discussion of: Secondary Clarifier Analysis Using Data from the Clarifier Research Technical Committee Protocol (Vitasovic et al. 1997)
Hydrodynamic modeling of clarifiers, as described in the authors’ paper (Vitasovic et al., 1997), has reached a level of sophistication…
Achieving Closure at Multiple Chromate Release Sites at A Former Industrial Facility
An industrial manufacturer is decommissioning a plant which has been operated on leased property for 60 years. It wants to…
Odor Control Systems from an Engineering Firm*s Viewpoint
Odor control at wastewater facilities includes a wide variety of methods. These methods include the following: source control; limit the…
Water Reuse by Drip Irrigation of Pineapple Process Water
A beneficial water reuse project has been implemented by Maui Pineapple Company to drip irrigate seed sugarcane with pineapple process…
Better Information Systems are Built on Business Fundamentals
Public utilities are under intense pressure to cut costs while maintaining service. This would be a Herculean challenge, but for…
Specifications That Ensure Sliplining Success
The variable conditions inevitably encountered in underground pipeline rehabilitation give rise to a significant question: Can construction specifications be written…
Improving Effluent
Since the construction of Greater Vancouver’s first sewers over 100 years ago, the ongoing planning and development of treatment facilities…
Making the Most of Every Drop
A large petrochemical facility in a water-limited area is facing a critical water problem because of several factors: total dissolved…
The Privatized Alternative Versus Public Financing “Is Low Bid the Lowest Price”
In 1991 the City of San Diego began pursuing privatization as an alternative to traditional City owned and operated facilities…