Farmers tapping into cow power
Anaerobic digester systems can convert manure into energy

By KRISTINE WALDEN - GM Today Staff 

August 2, 2008


Crews work to pour a million cubic yards of concrete to create a 240-square-feet in diameter anaerobic digestion system. The system will convert cow manure into renewable energy.


TOWN OF WAYNE - Life on Terry Volm’s dairy farm has been a little different lately, with the constant flow of cement trucks drowning out the typical sights and sounds.

He’s hoping, however, that the sight will become a more common one in the county, as the need to control methane emissions becomes more obvious.

Volm is installing an anaerobic digester system to convert waste from the dairy cows into energy.

"It’s supposed to be a lot better for the environment. It’s a lot cleaner because you’re not releasing the methane gas and it’s supposed to cut down on the smell when we haul manure - that was one of the biggest selling points," said Volm, owner of Volm Farm LOC.

Livestock waste contributes to approximately 8 percent of human-related methane emissions in the country, according to the United States Environmental Protection Agency. The greenhouse gas remains in the atmosphere for nine to 15 years, and is more than 20 times more effective at trapping heat in the atmosphere than carbon dioxide over a 100 year period.

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This story appeared in The West Bend Daily News on August 2, 2008.