All Whitepapers

Sep 15 2015
While the chlorination process is the most commonly used disinfection technology for municipal wastewater in the U.S., formation of harmful…
Sep 15 2015
The dose of peracetic acid that is required to control microbial concentration in wastewaters will depend on a number of factors, including the…
Aug 31 2015
XR-5 ethylene interpolymer alloy (EIA) geomembrane was specified as the primary and secondary containment liners for a state-of-the-art zinc and…
Jul 17 2015
It is costly for municipalities when sanitary sewer overflow (SSO) occurs. SSO can happen in a residential, commercial or institutional building, as…
Jul 14 2015
The complexity of biological activities and the number of process variables important to nutrient removal in advanced activated sludge wastewater…
Jun 19 2015
During the last 10 to 15 years, the industry has seen a significant increase in the adaptation of variable frequency drives (VFDs) in wastewater…
May 7 2015
According to the U.S. Department of Homeland Security’s Industrial Control Systems Cyber Emergency Response Team (ICS-CERT), cyber incidents on…
Apr 22 2015
Digester process management involves carefully balancing the quality and quantity of sludge going into the digester and the health of the micro-…
Apr 17 2015
Water is required throughout a food and beverage facility for various uses, including makeup water for cooling towers and boilers, washing of…
Mar 11 2015
Water utility managers today face a conundrum. The American Water Works Assn. recommends a water utility strive for non-revenue water loss at 10% to…
Mar 10 2015
Early removal of oil from your facility's wastewater can improve operation efficiencies, generate revenue, demonstrate environmental responsibility…
Feb 15 2015
Mixing in potable water storage tanks is increasingly recognized as an important factor for improving water quality and protecting tank assets.…
Feb 13 2015
It can be argued that the head works might be the most critical place in a wastewater treatment plant; what happens there greatly influences the…
Feb 6 2015
Many of today’s large urban water treatment plants rely upon sophisticated chlorination processes in order to provide clean, sanitary water to…
Feb 3 2015
The Graton Water Resource Recovery Facility (WRRF) in Sonoma County, Calif., is owned and operated by Graton Community Service District (GCSD). GCSD…
Jan 28 2015
Pure steam is used in sterilization chambers as a common method to sterilize pharmaceutical products, such as equipment parts, instruments,…
Jan 28 2015
A major power plant in Thailand is using Liqui-Cel membrane contactors to remove carbon dioxide from a DI water system. The system is an expansion…
Jan 26 2015
For many years, double-pass RO + EDI systems have been a widely used water treatment combination to produce ultra-pure water. However, as engineers…
Jan 14 2015
The oil and gas industry has utilized various deaeration technologies for many years to remove dissolved gases, particularly oxygen, from injection…
Jan 14 2015
Dissolved gas control in a nuclear power plant's water system, including the primary makeup water storage tank and refueling water storage tank, can…
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