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Both installation and commissioning are complete on a DVO, Inc. anaerobic digester at Austasia Modern Dairy Farm in Xianhe, located in Shandong Province, China.

This is DVO’s first installation in China, and the country’s first modern, operational anaerobic digester.

The digester currently processes the manure from approximately 5,600 milking cows at Austasia Farms. Biogas, one of the many valuable byproducts of the anaerobic digestion process, powers a boiler which creates hot water. The hot water is utilized to heat the digester and various on-site facilities at Austasia Farms. Future plans for the biogas include creating renewable natural gas (RNG) or producing renewable electricity.

“This project is truly revolutionary in China,” said Steve Dvorak, owner and founder of DVO, Inc. “As dairy operations are built, the Chinese government is stressing the importance of including anaerobic digesters in the dairy operations’ design. Not only do digesters help China meet its greenhouse gas emissions reduction target, they complement the country’s commitment to reduce agricultural pollution.”

Anaerobic digestion (AD), is a collection of processes by which naturally occurring microorganisms transform waste into valuable byproducts in a controlled, oxygen-free environment. DVO’s patented Two-Stage Mixed Plug Flow™ anaerobic digester is unlike any other technology. Traditional AD technologies featuring above-ground tanks are inefficient and costly to operate.

DVO digesters reduce the environmental impact from farm waste greenhouse gas emissions by over 90 percent. In addition, pathogens in the digested waste are greatly reduced, often to the point of non-detection, and up to 97 percent odor reduction is achieved as biogas is burned.

Published in the July 2016 Edition of American Recycler News