Two plants separated by Oregon's Yaquina Bay needed to be connected with two separate pipelines: one line to bring raw sewage to the new plant and one line to carry the finished refuse back to the old plant.
When tank settlement is anticipated, certain precautions must be taken to assure that the tank settles properly.
An Ohio utility company provides water plant operator services to facilities throughout the state, including several very large travel center operations. Daily monitoring became time consuming and costly, so they sought a more efficient solution by investigating plant monitoring systems.
Editorial: May 6—12 is National Drinking Water Week (NDWW). It is our duty and opportunity as water professionals to make this week work for us by incorporating local companies, expertise and even the Water Quality Association (WQA) into NDWW.
The benefits of ultraviolet (UV) light in destroying waterborne diseases are well established. This article (part one in a continuing series) will focus on explaining the basic terminology associated with the technology.
Understanding Ultraviolet Terminology
A difficult piping arrangement that included limited distance between the metering site and pipe fittings posed a dilemma for the engineering staff at a city of Frederick, Maryland, raw water pumping station.
Three French companies are meeting the water demands of large populations through the use of seawater desalination.Distillation and reverse osmosis are two competing techniques in the desalination of seawater. While each method has pros and cons, both provide a vital service in making seawater drinkable. Three French water companies (Saur, Degremont and Sidem) are working to improve the quality of fresh water created by both these methods and have invested heavily in the Mediterranean and Middle East markets with these technologies.
Las Palmas, Spain
Conventional water treatment control systems often lack the ability to communicate all process parameters from a centralized location to the point of operation. Thus, standardized control of all the facilities within a water district is difficult. Process adjustments performed onsite may not conform to federal, state or municipal regulations for water quality control.
Wisconsin's Madison Metropolitan Sewerage District needed to replace its aging electromagnetic flowmeters at 32 points in its Nine Springs Wastewater Treatment Plant. After carefully weighing its options, the district decided to purchase UniMag magmeters from Isco, Inc.