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…
Relationship Between Activated Sludge Flocculation Characteristics and Cell-Surface Polysaccharide Concentration
The success of gravity separation of activated sludge from a treated effluent is absolutely dependent of the flocculent nature of…
An Innovative Design for Self-Cleaning Wet Wells for Constant Apeed Pumping Stations
Modeling studies at hydraulics laboratories at Montana State University and ENSR Consulting and Engineering have confirmed the validity of an…
Tracking Ever-Shrinking Emissions
The measurement of plant emissions is entering a new phase. The driving force ¾ at least in the U.S. ¾…
Pilot-Scale Evaluation of Physical-Chemical Treatment of Secondary Effluent
The City of Phoenix (City) has negotiated a water exchange with the Roosevelt Irrigation District (RID). In the exchange, the…
Metro Seattle Renton Treatment Plant Sludge Thickening Update
The Municipality of Metropolitan Seattle’s (Metro) Regional Treatment Plant in Renton, Washington (MTPR) was initially constructed in the early 1960s…
Design-to-Cost with BACPAC
In this paper we will compare the shortcomings of the traditional approach to management structures and cost estimating with BC’s…
Kachina Village Wetlands-A Success Story in Zero Discharge
In 1985, Kachina Village Improvement District (KVID) faced a very difficult situation in wastewater management. Its treatment plant was providing…
Full-Scale Performance of Nitrifying Trickling Filters
Interest in the nitrifying trickling filter (NTF) process has been increasing in recent years as many wastewater treatment agencies, both…
Removal of Selenium Using a Novel Algal-Bacterial Process
A process for removing selenium and nitrate from agricultural drainage water using algae and anaerobic bacteria was studied in a…