Significance of Diurnal Variations in Fecal Coliform Die-off Rates in the Design of Ocean Outfalls
Wastewater treatment and disposal systems discharging into coastal waters in the vicinity of bathing beaches must be designed to meet…
What Design Engineers Owe the Operator
No amount of operator know-how can rectify the mistakes of the design engineer.
Relative Influence of Initial Momentum and Buoyancy on the Performance of Deepwater Ocean Outfalls
The major advantages of a deepwater outfall are the rapid and extensive mixing of the effluent with seawater and the…
An Innovative Cost Effective Design For Self-Cleaning Wet Wells for Constant Speed Pumping Stations
Modeling studies at hydraulics laboratories at Montana State University and ENSR Consulting and Engineering have confirmed the validity of an…
Full-Scale Test Plant at Contra Costa Turns Out Valuable Data on Advanced Treatment
To make sure its new, 120-million-gallon-per-day reclamation plant will work when finished in 1975, Central Contra Costa S.D. has been…
Energy Management in Wastewater Treatment Plants, Part II
Energy management in wastewater treatment plants has recently become a key issue in both facilities design and operation owing to…
Modeling the Fate of Chlorinated Phenols in Wastewater Treatment Plants
The behavior of 2-chlorophenol, 2,4,6-tricholorphenol and pentachlorophenol in activated sludge wastewater treatment plants was investigated at pilot scale. Batch sorption…
Energy Management in Wastewater Treatment Plants, Part I
Energy management has become one of the key issues of the 1970’s and will probably be even more important in…
Control of VOC Emissions from Sewers: A Multi-Parameter Assessment
A computational model is described which facilitates multi-parameter analyses of VOC emissions from sewers. The model, CORAL+, was used to…
Autothermal Thermophilic Aerobic Digestion of Municipal Sludges: A One-year, Full-scale Demonstration Project
A three-facility, full-scale pilot program was undertaken at three small wastewater treatment plants in British Columbia, Canada. The project concludes…
Ocean Outfall Construction Costs
The construction costs of recently completed projects provide a reliable guide to the costs of similar projects in the future….
Aromatic VOC Emissions from a Municipal Sewer Interceptor
Municipal and industrial sewers have come under increased regulatory scrutiny as sources of volatile organic compound (VOC) emissions to the…