Optimization of Air Flow in a Deep Tunnel System for the City of Los Angeles
This paper discusses the development of a unique sewer tunnel ventilation strategy for a proposed City of Los Angeles wastewater…
Optimization of Air Flow in a Deep Tunnel System for the City of Los Angeles
This paper discusses the development of a unique sewer tunnel ventilation strategy for a proposed City of Los Angeles wastewater…
Operating For Success
Operating for success means meeting all permit requirements within a specified budget (or cheaper) in a controlled, predictable manner. This…
Minimizing Arsenic Leaching from Water Treatment Process Residuals
Ferric chloride addition was investigated for treatment of As-laden spent regeneration brine from ion exchange processes. Furthermore, varying conditions and…
Minimizing Arsenic Leaching from Water Treatment Process Residuals
Ferric chloride addition was investigated for treatment of As-laden spent regeneration brine from ion exchange processes. Furthermore, varying conditions and…
Introduction of New Process Technology into the Wastewater Treatment Sector
Innovative wastewater treatment technologies are developed to respond to changing regulatory requirements, increase efficiency, and enhance sustainability or to reduce…
Introduction of New Process Technology into the Wastewater Treatment Sector
Innovative wastewater treatment technologies are developed to respond to changing regulatory requirements, increase efficiency, and enhance sustainability or to reduce…
Integrating Anaerobic Digester with Liquid Stream Treatment: Modeling Approach
Although, anaerobic digestion (AD) modeling can provide significant benefits in the design, operation and optimization of the digestion performance, AD…
How “Green” Can We Get with Remediation? A life-cycle comparison between a conventional P&T approach vs. a “green” technology to treat a large PCE plume
The federal environmental regulatory agency in the U.S. defines green remediation as “the practice of considering all environmental effects of…
Chemical Modeling to Solve Struvite Scaling Problems at the Sacramento Regional Wastewater Treatment Plant: A Progress Report
The precipitation of struvite is a recurring problem in anaerobic sludge digestion systems. Soluble magnesium, ammonia, and phosphorus (P) released…
Asset Management: A Fad or the Future?
By their nature, U.S. water and wastewater utilities are asset-intensive service providers. Even small or mid-sized utilities can have hundreds…
Understanding Declining Water Demand: New Approaches to Research and Projections
Between the years 1990 and 2010, the population of the City of Phoenix, Arizona, increased by 46 per cent. Over…