Control of Odor Emissions At The Littleton/Englewood Wastewater Treatment Plant
The Littleton/Englewood Wastewater Treatment Plant serves over 200,000 people in a mixed commercial and residential zone in the southern Denver…
Liquid Chemical Disinfection: A Cost-Effective Alternative to Toxic Gases
The Littleton and Englewood Wastewater Treatment Plant (Littleton/Englewood WWTP) serves a population of 200,000 in a service area of approximately…
Removal of Polycyclic Aromatic Hydrocarbons and Heterocyclic Nitrogenous Compounds By A POTW Receiving Industrial Discharges
Emissions of polycyclic aromatic hydrocarbons (PAHs) and heterocyclic nitrogenous compounds (HNCs) were measured at a POTW receiving a DWF of…
Characterization of Trace Metals Concentrations in Urban Runoff
The City and County of Sacramento undertook a study to characterize the variability of total recoverable concentrations of chromium, copper,…
Determination of Biodegradation Kinetics For Volatile Organic Compounds Through the Use of Respirometry
Electrolytic respirometry was utilized to determine the biodegradation kinetic parameters of five volatile aromatic organic compounds: benzene, 1,2-diclorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene…
Watershed Management
In the 1990s, a renewed interest in watershed planning and management has raised the concept to such a level that…
Advanced Wastewater Treatment
Managers of municipal utilities must deal with a wide range of technological issues and effectively use their engineering staff when…
Increased Capacity Without Plant Expansion
Adding treatment capacity to an existing wastewater treatment plant does not always require costly facilities expansion. In many cases, process…
Selecting the TF/SC Process for Secondary Treatment for Vancouver, Canada
The Greater Vancouver Sewerage and Drainage District (GVS&DD) is a major regional wastewater agency serving Vancouver, Canada and surrounding municipalities….
Class A (High Grade) Sludge Process Design for the Greater Vancouver (CAN.) Regional District (GVRD) Annacis Island Wastewater Treatment Plant
GVRD has experimented with full-scale primary sludge thermophilic digestion at is Lion’s Gate Plant for about 2 years. Two-stage continuous…
Getting a Pretreatment Program Back on Track, Los Angeles Makes Great Strides to Meet EPA’s Requirements
The U.S. Environmental Protection Agency (EPA) recently increased and tightened performance evaluations on municipal industrial wastewater pretreatment programs, therefore, many…
Regulating Metal Toxicity in Stormwater
The best way to regulate metals in stormwater runoff has been widely discussed. Historically, instream quality criteria for metals, including…