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Flushable Wipes Ragging On!

With Covid-19, toilet paper has become scarce in some communities. The use of ‘flushable’ wipes as an alternative leads to plugging of pump implellers from “Ragging”, where the wipes combine to create very tough rags and cords. This consumes countless hours of maintenance time in sewage pumping stations and wastewater treatment plants around the world.

For treatment plants using surface aeration, rags get tangled on propellers and the motors must work harder and can burn out or shut down. Fortunately, the innovative engineers at Aeration Industries have worked hard to create a solution. Unlike normal propellers, our anti-fouling props won’t get clogged with these troublesome items. We have a full range of product sizes with this remarkable prop. The knowledgeable sales team at our Chaska office is expert in assisting you to find your solution.

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A pile of gravel and refuse sits in a processing facility

Difficulty With Accurate Testing For BOD In Industrial Stormwater Runoff

Biochemical oxygen demand (BOD) is a measure of the amount of dissolved oxygen used by microorganisms to break down organic material in a sample of water. Because BOD is not one specific pollutant, it can be difficult to characterize the nature of BOD, identify the source in stormwater runoff, and select the appropriate treatment approach to reduce BOD in stormwater runoff and discharge. The most effective way to minimize BOD concentrations in stormwater discharges will be to minimize the exposure of stormwater to materials that are a source of BOD. 

Woman filling glass with water from tap in kitchen, closeup

What is PFAS?

PFOA (perfluorooctanic acid) and PFOS (perflurooctane sulfonate) are organic synthetic chemicals that have been used in manufacturing a multitude of industrial and consumer-based products including coatings, carpeting, and fire-fighting foams. Over several decades, they have contaminated the environment, specifically our drinking water sources, causing significant health concerns that recently prompted the EPA to take action.

Close-up of black activated carbon texture. Coconut charcoal.

What is Activated Carbon?

Although the term granular activated carbon is used generically, it can refer to dozens of similar – but not identical- adsorbents. Depending on raw material, method and degree of activation and other factors, activated carbons can perform differently in various applications.