![‘Peeling the onion’ to get rid of odors near wastewater treatment plants](https://i2.wp.com/scienceblog.com/wp-content/uploads/2017/04/wastewater.png?fit=700%2C9999#038;ssl=1)
Powerful
nuisance odors from sewage and wastewater treatment facilities are a
worldwide problem, but finding and eliminating the sources of such
unpleasant aromas can be difficult. Scientists have compared the search
to peeling an onion … Read more
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