Researchers in the US are testing biofilter systems as a viable alternative to releasing methane from passive landfill vents into the atmosphere. The technology could reduce the overall impact of old ...

A recent study published in Engineering has shed new light on the mechanisms behind the efficient nitrogen removal capabilities of pyrite-based mixotrophic denitrifying biofilters. The research, ...

So, the industry has seen a shift toward wet chemical scrubbing technology, despite the attendant risks of chemical storage and handling. Traditionally biofilters have consisted of an organic media, ...

Just ask any dairy farmer, climate scientist, or landfill site director about methane emissions, and they will tell you they are a serious challenge to manage. Methane is about 25 times more potent ...

MANTORVILLE — A farmer's challenge of Dodge County's requirement that hog farms use biofilters to control odors failed a sniff test by county board members. Dodge County was the first county in ...

MANKATO – The hundreds of thousands of pigs in Blue Earth County produce millions of pounds of manure. Some have called the resulting stink the “smell of money” because of the industry’s economic ...

WAPPINGER — The Hudson Valley Regional Council will receive $3 million from the federal Environmental Protection Agency to install biofilters to reduce methane emissions from closed Hudson Valley ...

The study shows that degrading wastewater pollution by means of mechanical aeration results in fewer odorous compounds than with intensive systems. Another study was carried out demonstrating that the ...

University of Canterbury research into making biofilters more efficient could be key to New Zealand meeting its climate change targets, and improving cattle farming long-term. University of Canterbury ...

DODGE CENTER, Minn. — Wood chips stretched out parallel the entire length of the barn, the only visible part of the biofilter. Biofilters use microorganisms that exist in nature to convert odors to ...