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September 26, 2016

Wastewater Temperature in the Bioreactor

Operators know that when the temperature of the wastewater entering the bioreactor is too high, it can have an adverse impact on the microorganisms in the activated sludge system. How high a temperature is too high? There are many opinions on this subject so I thought I would combine my own expe...

September 5, 2016

Activated Sludge Design Parameters

This is a handy chart from the well-known Metcalf & Eddy handbook (Metcalf & Eddy. Wastewater Engineering: Treatment and Reuse. 4th ed. Boston: McGraw-Hill, 2003).

Clicking on the image will open up a PDF version of the chart for printing or to give you a larger view.

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