Making The Best Of A Bad O₂ Situation

A balanced wastewater process is a beautiful thing — plenty of biochemical oxygen demand (BOD), plenty of O₂, and all those hungry little microbes are fat and happy. But what can be done when dissolved oxygen (DO) takes a nosedive and there’s not enough O₂ to satisfy industrial and food processing BOD? Here are some preparations to consider before wastewater treatment goes completely out of whack.