It also reduces CO2 emissions by 99.5 percent compared to other sludge-processing methods, like anaerobic digestion. "Proof-of-concept tests revealed that the NTU team's process is more efficient ...

It is also more efficient and has a smaller environmental footprint than conventional sludge management techniques such as anaerobic digestion, which relies on bacteria breaking down organic waste ...

A bill advanced from the Iowa House Thursday that would regulate anaerobic digesters at animal feeding operations.

Anaerobic digestion can generate renewable energy from ... which required water treatment plants to test sewage sludge for PFAS, and notify landowners of the results before the sludge was applied ...