Optimizing Existing Treatment Systems
Communities are concerned about the need to raise user fees to fund new water and wastewater treatment systems. To get…
Reduction of Selenate from Agricultural Drainage Water Using Anaerobic Bacteria Grown on Algal Substrate
Agricultural drainage water in parts of California’s San Joaquin Valley contains selenium (Se) and other substances shown to be harmful…
Keeping Cost from Creeping Controlling a Project’s Budget and Schedule
In engineering utopia, the unknown would be known, designs would be efficient, construction crews would have realistic schedules, and the…
Case History: OWASA Operation of the Nutrified Sludge Process at the Mason Farm WWTP, Chapel Hill, North Carolina
Enhanced biological phosphorus removal (EBPR) technologies convert soluble phosphorus to a solid form through microorganisms which uptake soluble phosphorus. While…
Startup and Initial Operation of Egg-Shaped Anaerobic Digesters at Lincoln, Nebraska,
Like many of today’s municipalities, the City of Lincoln, Nebraska, faces challenges with long-term wastewater residuals management. To meet these…
Design Of The Lower Kula Water Treatment Plant
Water for the up-country areas of Maui is supplied through a series of three parallel systems which wrap around Haleakala…
Integrated Environmental Management of Refinery Waste Streams
EPA has promulgated numerous regulations over the last few years that impact the design and operation of refinery environmental control…
Management of Submittals to Reduce Liability
This paper discusses the liability exposure of participants in the construction process and proposes a refinement of the specification of…
Environmental Pollution Control Technologies That May Be Transferable to the Republic of China
The concept of environmental protection is relatively new. Although waste treatment and management have been practiced throughout the world in…
Microextraction for Preparing Calibration Standards for Methylene Blue Active Substances (MBAS)
The standard Procedure for determining the anionic surfactant content of aqueous and wastewater effluents is to measure the concentration of…
Use of Detailed Construction Cost Estimating During the Early Stages of Wastewater Facility Planning
Public and private utilities selecting a wastewater treatment system face a difficult task in comparing the costs of treatment alternatives….
Biotreatment of Contaminated Groundwater with High Organics and Salinity Contents
A large chemical company is closing the evaporation ponds at its agricultural chemical complex on the West Coast. Because of…