Subsurface Condition Assessment Using Seismic Testing Technologies–St. Louis, Missouri
An important aspect of pipeline condition assessment is to obtain a complete understanding of the condition of the pipe, including…
Evaluation of Digester Gas Hydrogen Sulfide Control Technologies to Reduce Toxic Emissions
The Sacramento Metropolitan Utility District (SMUD), in conjunction with the Sacramento Regional Wastewater Treatment Plant (SRWTP), is planning to construct…
Status of Refinery MACT
One of the major components of the 1990 Clean Air Act Amendments is Title III – Hazardous Air Pollutants (HAPs),…
Pollution Prevention from Metal Finishing Operations Through Ion Exchange Reclamation of Dichromate Salts
The Convair Division of General Dynamics Corporation operates manufacturing facilities at five separate locations in San Diego County, California. At…
Concurrent Nitrification and Biological Odor Control
Tertiary trickling filters at the Littleton/Englewood wastewater treatment plant provide concurrent nitrification and biological foul air treatment. Operation of the…
Performance Comparison of Lagoons and Activated Sludge Systems for Removal of Toxic Contaminants from Bleached Kraft Mill Wastewater
A pilot scale investigation of the treatment of bleached kraft mill wastewater with selector-assisted activated sludge (AS) and aerated stabilization…
Wastewater Reclamation and Reuse in a Petrochemical Plant
A large petrochemical plant (confidential) located in a water-limited area is a major water user. The plant is facing a…
Optimization of Ferric Hydroxide Coprecipitation Process for Selenium Removal from Petroleum Refinery Stripped Sour Water
Iron coprecipitation was used in bench-scale tests to remove selenium from stripped sour water generated by two petroleum refineries. Chlorine…
Integrated Coastal Management – A Global Trend in Managing a Degrading Marine Environment
Growing public awareness and increased scientific knowledge have generated a clearer recognition of the need for an integrated management system…
Solids Train Strategy
Insufficient capacity, Nocardia accumulation, and nuisance gas emissions were the driving forces for developing an improved anaerobic digester design at…
Iron Sponge Reduces Toxic Emissions
To control emissions from a cogeneration facility that will use digester gas for fuel, the Sacramento Regional Wastewater Treatment Plant…
Staff Solves Silver Problem
Faced with fines totaling more than $100,000 for regularly exceeding its silver effluent limit of 1.2 ug/L, the Wastewater Department…