Screening Video

Wastewater Lagoon Screening: Benefits of Adding Headworks

Patrick Hill

Patrick Hill

Co-Founder | Triplepoint Environmental

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Lagoon Sludge

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Wastewater lagoon screening has become far more prevalent due to the popularity of so-called “flushable” wipes and the headaches they create for lagoon operators. In this episode of LDIB-TV, Patrick Hill discusses the problems ragging can cause and the benefits of adding screening to your facility. Watch the video and read below for highlights.

 

Wastewater treatment facilities have been plagued by “flushable” wipes and lagoon systems are no exception. Although lagoons are better equipped to store solids, the presence of wipes and other nonbiodegradable materials in the waste stream causes a number of headaches. Ragging can

  • clog aerators, which reduces treatment and causes a maintenance demand.
  • contribute to sludge buildup. Wipes don’t break down readily and thus accumulate at the bottom of the lagoon. This accumulation reduces capacity and leads to shorter sludge removal cycles and more sludge to remove.
  • increase aeration costs. Wipes trap BOD, increasing oxygen demand.

Benefits of Wastewater Lagoon Screening

Adding headworks with coarse screening provides a number of benefits. Screening:

  • protects aerators by preventing ragging
  • slows sludge buildup, reducing the frequency and costs of solids removal
  • improves plant performance
  • improves BOD effluent
  • eases maintenance and brings maintenance from the water to the shore
  • pays for itself over its lifecycle

 

While there are many different types of screens used in wastewater facilities, some are better suited for lagoon facilities. In an upcoming blog, we’ll review the different screen technologies, offer our recommendations, and demonstrate the cost savings that adding wastewater lagoon screening can provide.

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