WesTech Municipal Water/Wastewater Blog

Municipal Water and Wastewater

New Jersey Demonstration Project Shows Effectiveness of WWETCO FlexFilter for CSO

Posted by WesTech Engineering on Mar 27, 2018 12:09:05 PM

The WWETCO FlexFilter™ from WesTech Engineering received a huge vote of confidence this fall when the State of New Jersey released a report highly rating its performance for the satellite treatment of combined sewer overflows (CSOs).

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Category: Combined Sewer Overflow, Wastewater Treatment

Breakthrough Biological Treatment Is Cost-Effective and Sustainable for Nitrate Removal in Groundwater

Posted by Fatemeh Shirazi, Ph.D. on Jan 23, 2018 4:26:42 PM

Groundwater supplies almost half of all drinking water in the world, with high economic value and social significance.1 Nitrate (NO3) is one of the most widespread water pollutants on earth, and levels of nitrate in groundwater sources are continuing to rise, making nitrate removal in groundwater a significant concern.

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Category: Water Treatment

Accelerated Upgrade to Anaerobic Digestion Facility Wins New Business for City of Cortland

Posted by WesTech Engineering on Dec 18, 2017 7:42:59 PM

When a large dairy expressed interest in placing a new Greek yogurt plant in an industrial park in Cortland, New York, the community improved its chance to secure the plant and provide future economic growth by upgrading the City’s wastewater treatment facility so it could offer no-cost trucked waste disposal for the dairy facility.

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Category: Wastewater Treatment

Wastewater, Algae, and the New Pathway to Resource Recovery

Posted by WesTech Engineering on Oct 26, 2017 3:36:10 PM

Once considered to be ordinary and mundane, wastewater treatment is becoming a recognized contributor to the green technology movement. It’s a rising star in the resource recovery world with the adoption of one key ingredient – algae.

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Category: Wastewater Treatment, Renewable Energy

Ames, Iowa, Builds New Municipal Water Treatment Plant With WesTech Clarifiers, Filters, and Aerators

Posted by WesTech Engineering on Jun 19, 2017 10:00:00 AM

In 2009, the city of Ames, Iowa, decided to build a new municipal water treatment plant after concluding that renovation and expansion of the existing plant would be more difficult and expensive than starting fresh.

The city’s existing plant, built in 1924 with a filtration system installed in 1927, was originally an iron removal facility with the capacity to handle two million gallons per day (MGD).

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Category: Water Treatment

Groundwater Treatment Removes Contaminants Including Iron, Manganese

Posted by WesTech Engineering on May 10, 2017 4:44:13 PM

Approximately 35% of public-supply water withdrawals come from groundwater sources. One of the most common issues that water plants encounter when it comes to groundwater treatment is the removal of contaminants, including iron and manganese.

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Category: Water Treatment

Cost Assessment and Design Considerations for Microfiltration and Ultrafiltration Membrane System Retrofits

Posted by Daniel J. Dye, PhD, PE; Jason D. Nay; Libbie Linton, PE on Mar 23, 2017 6:44:33 PM

Microfiltration and ultrafiltration membrane (UF/MF) fibers and modules have improved substantially over the last few years, and several new brands have become available. Each manufacturer touts unique membrane characteristics, hydraulic properties, fiber durability, warranty support, resistance to fouling, and operational flexibility.

The abundance of competitive brands on the market has driven costs down, even as quality improves. These factors have caused several water plant owners to consider retrofitting their plant when it comes time to replace part or all of their old membrane system modules.

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Category: Water Treatment

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