SUNNYSIDE, Wash. — A new $13.5 million manure digester system planned for two large dairies near Sunnyside could resolve federal allegations that they are polluting drinking water — and provide a ...

CASA GRANDE — Thousands of gallons of liquid manure sit in the open on 25-foot deep settling ponds at Casa Grande Dairy Co. Farm owner Jim Boyle says he could earn some extra revenue by taking biogas, ...

The world produces a hell of a lot of waste and a great part of it is food waste. According to the United Nations Environment Program, around one third of the food produced in the world for human ...

The nine-month construction project will require temporary changes to wastewater processing and may cause occasional odor ...

WASHINGTON, April 30, 2014 -- Just 25 miles from downtown Seattle, Jim Werkhoven and his brother Andy run a 1,100-head dairy farm that uses an anaerobic digester to process cow manure and pre-consumer ...

Samantha Krop was doing a routine flyover of the Neuse River basin last month — a part of her job with the environmental group Sound Rivers — when she noticed something strange at White Oak Farms here ...

Dairy farmer Ron Koetsier’s 1,200 cows produce roughly 90 tons of manure daily, and for the last three decades, he has tried unsuccessfully to turn the stinky dung into energy to power his 450-acre ...

Sample digestion involves a chemical reaction for the digestion and leaves analyte ions suspended in the solution. Samples are typically heated to improve reaction times in a closed-vessel, ...