There are several possibilities. One good one is using a membrane bioreactor. Not sure what you mean by non bacterial? It is hard to avoid bacteria in wastewater processing unless you went to an entire physical chemical process that would be expensive.
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
There are several possibilities. One good one is using a membrane bioreactor. Not sure what you mean by non bacterial? It is hard to avoid bacteria in wastewater processing unless you went to an entire physical chemical process that would be expensive.