Category: Wastewater

• September 22, 2019

  Milorganite

  

  Milwaukee might be known for having the second best team in NL central right now, but the home of the Brewers is also known for exclusively producing the microbe-based fertilizer Milorganite. Microbes are used in the aeration part of the wastewater recovery process. There, they are coaxed by bubbles and lots of nutrients (aka waste) to…
• May 5, 2018

  Activated Sludge

  

  Imagine you are on a conveyor belt. The conveyor belt is circling around a box of pizza. Every time you get close enough, you take a slice of pizza. If the conveyor belt moves too fast, you can’t grab the pizza. But if it’s too slow, you’ll starve and the pizza won’t be nice and…