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Process Control Features to Optimize Energy Efficiency and Process Stability
Before online instrumentation, process adjustments to biological activated sludge processes were made based on delayed results from laboratory testing. The...
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Ozone Enhanced Biofiltration for Municipal Wastewater Use
With climate change, population growth and water scarcity, there is a growing demand to manage water resources in a sustainable approach. Recently, ozonation...
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Increasing Denitrification in Sequencing Batch Reactors with Continuous Influent Feed
In this study, the denitrification capacity of a continuous influent feed sequencing batch reactor (SBR) was measured and evaluated trough tests at a pilot...
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AOPs for degrading metaldehyde in surface water used for drinking water
Intensive farming and the associated use of pesticides is one of the main reasons that these regulated substances can be found in the drinking water reservoirs...
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Flow reversals in a mixer powered high loss race track channel; a CFD study and its application to real pilot channel
Flow reversals, revealed as surface currents in the opposite direction of the intended flow, are sometimes observed in race tracks or other closed channel type...
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Recycling Earth's rapidly shrinking resource: A Basic Primer on How Food and Beverage Plants Can Reuse Water Effectively and Efficiently
A basic primer on how food and beverage plants can reuse water effectively and efficiently.
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Xylem provides temporary bypass at Denver treatment plant
In Colorado, the project team for an expansion and renovation of a wastewater treatment plant was in need of a bypass system to move a peak flow of 128 million...
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The Optimal Pump Station
Environmental concerns and economic pressure impose increasing demands on pumping wastewater. Pumping Stations are required to pass on sewage solids as...
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Cooling water for gas-fired power plant
Challenge A gas-fired power plant in southern Sweden required a supply of cooling water to be pumped through a long pipe, which is sensitive to water hammer,...
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Circular stormwater pump station
Challenge One of the largest airports serving France required a stormwater treatment plant to handle the inflow from a large gravity sewer collecting water...
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Circular sewage and stormwater pump station
Challenge A large combined sewage and stormwater station will be built in one of the largest cities in the world. The flow is high, the head is fairly low, and...
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More energy-efficient pump station
Challenge Four high-efficiency 100 kW Flygt N-pumps operating with variable frequency drives (VFDs) deliver a total volume of 0.8 m3/s (12,700 US gpm) and...
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Large capacity circular wet well
Challenge Very deep, large capacity and limited footprint: these are common demands by customers for their pump stations designs. Recently, two such pump...
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Circular wastewater lift station
Challenge A 54,000-acre service area in a major city in Texas required assistance to handle a projected 50% increase in population and subsequent increase in...
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Compact stormwater pump station
Challenge Placement of a new stormwater pump station in a 10 m x 5 m (32 × 18 ft) area between two roads and a hotel in one mid-western state’s major cities....
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Combined sewage and stormwater pump station
Challenge To develop a combined stormwater and sewage pump station at the lowest possible cost. Solution The station was designed with three Flygt CP 3501 and...
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Efficient Handling of Wastewater at a Harbor
To prevent pollution by sewage from ships, governments are required to ensure the provision of adequate sewage reception facilities. One of the ports within...
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Flygt Conquers LPSS in Steep and Rocky Terrain
The town of Leon, West Virginia, founded in 1872, has recently installed its first central collection and treatment system. Its 160 residential homes had...
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Some say it cannot be done
A community in Myra wanted a pressure sewage system (PSS) that was cost-effective and reliable. To be able to offer that a design was made combining Flygt...
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Bringing pumping efficiency beyond par
England’s Northumbrian Water Ltd (NWL) serves roughly 2.5 million people with water and sewerage services. To better assess its predicted results they...
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Don’t get hot and bothered get N-pumps
Frequent blockages and the challenges associated with high temperature geothermal environments put extreme demands on this pumping station. A lot of different...
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Xylem´s Flygt Experior® cuts energy use at pumping station by 35 percent
One of Sardinia’s largest water treatment facilities needed an energy efficient and sustainable pumping solution. Flygt Experior was installed giving exactly...
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Xylem´s Flygt Experior® cuts energy use at pumping station by 27 percent
Challenge The region's heavy dependence on tourism puts a strong focus on maintaining the quality of the local environment. A complex pump station management...
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Xylem’s Flygt Experior® cuts annual maintenance cost by €14,000
A cleaner sump requiring fewer drainage operations thanks to Xylem’s sustainable wastewater pumping solution Xylem’s revolutionary Flygt Experior wastewater...
