All Whitepapers

Dec 11 2017
In an era when water scarcity, water quality and delivery costs are becoming urgent problems worldwide, the flowmeter is more important than ever as…
Dec 4 2017
With increasing requirements for enhanced nutrient removal, many wastewater plants are adding anoxic and/or anaerobic tanks in their secondary…
Nov 30 2017
In the current economic climate, with tight municipal water treatment budgets, the cost of maintaining chlorine analyzers that operate accurately and…
Nov 7 2017
A long-term evaluation of applicability of a TU5300sc turbidimeter equipped with Automated Cleaning Module (ACM) for raw water monitoring was…
Nov 5 2017
Process and plant engineers at municipal wastewater treatment facilities need to measure, monitor and dispose of methane and other digester gases…
Sep 25 2017
The Clean Energy Guide offers engineers, scientists, plant managers, and designers an up-close look at how Sierra is partnering with customers from…
Sep 14 2017
What is more universal than a fire hydrant or a traffic light? While they are used for different purposes, these two staples of daily life have a…
Sep 14 2017
Potable water treatment plants spend millions of dollars each year on filters, chemicals and aeration to purify the surface waters and groundwaters…
Sep 14 2017
Stray electrical currents present the possibility for a costly and dangerous hazard—one that could and should be prevented with proper products and…
Aug 3 2017
SCADA can be utilized for remote data acquisition, but because it is primarily a real-time control system, the user must make significant compromises…
Aug 3 2017
This paper introduces the new method ASTM D8086-16, which compares favorably with the current U.S. Environmental Protection Agency-approved…
Aug 1 2017
Loudoun Water in Northern Virginia has a history of embracing change and seizing opportunities to create a more robust and sustainable water system.…
Jul 31 2017
Polyethylene tanks come with a variety of nozzles. Often, the nozzles are misapplied and can cause problems shortly after installation. The following…
Jun 13 2017
When choosing an electromagnetic flow meter, it’s important to consider a selection process that will provide the best possible solution for your…
Jun 6 2017
The air foil bearing operates without the need for lubrication and maintenance, providing minimum life-cycle costs for the entire unit. Proper…
May 24 2017
Learn the fundamental principles of chemical oxygen demand analysis—advantages, complications and potential solutions. Please provide the following…
May 23 2017
Heat and power generation in biofuel engine cogeneration plants has become increasingly important as process industries look for more economical and…
May 22 2017
Ocean Shores, Wash., installed vacuum sewers more than 20 years ago. Its current data and O&M costs are now changing opinions about the…
May 3 2017
Monitoring hydrogen sulfide (H2S) levels is critical for air quality, safety and environmental professionals across a multitude of industries. Doing…
May 1 2017
There is not a one-size-fits-all solution that can be applied to every headworks situation. Matching the needs of the facility to the appropriate…
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