bottom aerator Articles
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Wastewater lagoons – a new aeration concept
The use of wastewater treatment lagoons, or stabilization ponds, is a common practice for rural municipalities and industrial facilities. Through the years there have been numerous designs for these ‘sludge settling basins,’ ranging from facultative, partial aerated, and fully aerated systems. But the primary reason for these systems is to utilize relatively shallow earthen ponds, or ...
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WWTP Sludge reduction case study
Introduction The City of Spring Valley, IL was seeking bioaugmentation to reduce the economic burden of sludge dredging and disposal and to evaluate the possibility of restoring the microbiological activity in the lagoon. The lagoon was flooded several times from the near-by Illinois River, which created different strata of inorganic silt/organic sludge and densely packed sludge at the lagoon ...
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A New, Cost-Efficient Way to De-sludge your Lagoon
Most small towns, all over the world, utilize lagoons for treating their wastewater. Many rural industries also utilize lagoons for storm-water and wastewater treatment. While industrial plants may be able to pay for activated sludge treatment of one design or another, small municipalities simply do not have a choice in treating their small populations’ wastes. If the town’s ...
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Membane bioreactors: is submerged best?
Untitled Document The energy and space-saving characteristics of submerged membrane bioreactors have prompted many to view them as the most efficient and cost effective wastewater treatment technology. But there are equally viable alternatives, argues Ronald van ‘t Oever of Netherlands-based X-Flow. A membrane bioreactor (MBR) is a compact-built purification system combining ...
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Mansfield, Arkansas; ISAM - Integrated Surge Anoxic Mix - Case Study
City Gets Consistent Compliance, Thriving Discharge Creek, and State Award by Replacing Extended Aeration WWTP with Special Activated Sludge Process. Also Gains Better Reliability, Easier Maintenance, and Exceptionally Low Sludge Yield. Client: Mansfield, Arkansas Solution: ISAM - Integrated Surge Anoxic Mix Background: Mansfield, Arkansas - Plant Management for the city’s recently ...
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IDEAL Lagoon Based Extended Aeration System with Batch Reactor Process Doubles Treatment Capacity at Grantsville WWTP
Originally designed for a 0.75 MGD capacity, the Grantsville Wastewater Treatment Plant receives residential wastewater from almost 10,000 residents in Grantsville, Utah, just west of Salt Lake City. In 2009, the plant was having significant trouble meeting the city’s discharge requirements for ammonia, TSS, and BOD. According to Ron Griffin, the plant’s operator, treated wastewater ...
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