Evaluating The Advantages Of Decentralized MBR Wastewater Treatment

Much of the progress on wastewater effluent quality under the Clean Water Act has focused on centralized facilities in larger cities. Now, decentralized systems are expanding options for municipalities, developers, and engineers to support high-quality wastewater treatment in locales that can’t sustain conventional septic systems or make it too costly to build or access centralized wastewater treatment plant (WWTP) or water reuse facilities.

Using Drop-In Aeration Systems To Address Rising Oxygen Demands

Keeping pace with changing industrial wastewater treatment demands can raise multiple issues of oxygen demand, capital cost, and operating expense, often without the flexibility of taking basins out of service to upgrade to new levels of performance. Fortunately, there are alternatives for delivering more oxygen to treat more water.

DAF System Effectively Removes 95% Of TSS For Railcar Bearing Manufacturer

A manufacturer of railcar bearings, wheels, and axles needed a wastewater system upgrade to treat for oil, grease, suspended solids, and dissolved metals in a mix of process water and storm water runoff. The existing wastewater treatment system in place at the facility consisted of a small equalization tank, traditional clarifier and sand filter. 

How To Tackle Water Scarcity In A City Of 22 Million People

Making Waves spoke with Bing Liu, Sales GM of Xylem’s Water Infrastructure business in China, about the country’s growing water reuse opportunity and one utility leader that is leading the way: Beijing Drainage Group.

Wastewater Facility In Missouri Tackles Foul Wastewater Treatment Odors Safely And Effectively

Serving nearly 16,000 customers, a large-scale wastewater treatment facility in Missouri manages a complex sewer system, and has to contend with regional growth where more residential houses and commercial facilities have been built close to the facility. As a result, foul odor complaints from neighbors continue to increase, and the local town council found itself in need of fully addressing this issue.

One Million Gallons Of Wastewater Reused Daily To Irrigate Award-Winning Botanical Garden

The City of Silverton is known as Oregon’s Garden City and sends one million gallons a day of treated effluent to the Oregon Gardens, returning the remainder to Silver Creek.

Color, Turbidity And Philosophy

When we humans look at objects we describe them in terms of color. We say that an apple is red or a leaf is green. To us color is an attribute just as surely as the mass or dimensions of an object. But the fact is that color is a pure human construct. Take away the human and it does not exist.

Upgrade To Diffused Aeration Results In Significant Energy Savings

After 35 years of use,  the fiberglass jet aeration manifolds in the Western Regional Water Reclamation Plant (Dayton, Ohio) had deteriorated, rendering four of eight wastewater aeration tanks inoperable. Managers recognized an opportunity to utilize a fine bubble diffused aeration system that eliminated the need for the pumps. The result: higher oxygen-transfer efficiency and reduced power costs to operate the system.

Xylem's Godwin Dri-Prime NC350 Pump Provides Non-Clog Sewer Bypass Solution

Godwin’s Dri-Prime 16-in. pump ran a sewer bypass system continuously for a month without issues while the city of Raleigh, North Carolina, replaced a major outfall line feeding its wastewater treatment plant.

A 50-Year Partnership Leads To Successful HDD Installation Of 48-Inch AMERICAN SpiralWeld Pipe

When the Grand Strand Water and Sewer Authority engaged Ruby-Collins, Inc. to expand and upgrade its water and sewer system, Ruby-Collins President and CEO Scott Cline knew the job would be challenging – beginning with the project’s scale. A key feature in the upgrade was the installation of a 48-inch spiral-welded steel pipe water main that was coated in polyurethane and five miles long.

Bridge Crossings And The Proper Use Of EX-TEND®, FLEX-TEND®, And Force Balanced FLEX-TEND Products

Of particular interest when it comes to bridges is the locating of pressurized water lines on and under bridge structures. Pressurized pipelines can present a number of unique challenges to the design engineer and utility owner.

Performance Test Services For UV Advanced Oxidation Systems

UV AOP performance verification requires a robust test matrix covering design, operating, and control conditions. This process includes on-site execution, sample analysis, and troubleshooting to achieve successful regulatory approval.

Waterworks Joints 101

There are many different joints that can be found on waterworks pipeline components. This paper focuses on the three most common joints.

Application Note: Testing Nitrite In Surface Water And Wastewater The Thermo Scientific Orion AQUAfast® AQ3700 Colorimeter comes programmed with methods for testing nutrients. By Thermo Fisher Scientific

Vacuum Sewer Truck: Optimize Cleaning Performance With The Right Accessories

Selecting the correct accessories will maximize cleaning while minimizing water use, tank refills, labor, and headaches.

Degradation Of Pharmaceuticals By Advanced Oxidation Process (AOP) In Low Quality Wastewater

Achieving A Delicate Balance To Maintain RO Membranes

This application note explores the importance of maintaining a delicate balance in reverse osmosis systems to protect RO membranes.

Recording & Control: Aeration Control In Wastewater Plants – Accurate And Fast Control Of Aeration Process

Waste water, or raw sewage, is water that drains from toilets, sinks, showers, baths, dishwashers, washing machines and liquid industrial wastes.

Waste Technologies Transform Problems To Profit

Anaerobic digestion processes that radically improve the quality of wastewater while delivering green energy extracted from biological waste streams are emerging as a profitable way for agricultural and food processing industries cope with the twin impact of drought and pollution challenges.

Application Note: Dairy Farms Use YSI Instruments To Map Volume Of Wastewater Lagoons On July 1, 2010, dairy farm waste management plans are due to the California Regional Water Quality Control Board. By YSI