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Biological wastewater treatment harnesses the action of bacteria and other microorganisms to clean water. Biological wastewater treatment is a process that seems simple on the surface since it uses natural processes to help with the decomposition of organic substances, but in fact, it’s a complex, not completely understood process at the intersection of biology and biochemistry.
Anaerobic digestion is a natural biological process when bacteria break down organic matter in environments with little or no oxygen. A controlled enclosed version of the anaerobic breakdown of organic waste is a landfill process which releases methane as one of end products.
