Researchers from the University of Valladolid and the Technical University of Madrid in Spain have proposed to hybridize biogas and biomethane production systems from cattle manure anaerobic digestion ...

Anaerobic digestion is a sustainable, biological process that converts organic waste into biogas, a renewable energy source, through the sequential action of specialised microorganisms in oxygen‐free ...

Interest is growing in farm-scale anaerobic digesters, using slurry as a feedstock, driven by the need to reduce manufactured inputs – for economic and environmental reasons – and the cost of energy.

Hundreds of thousands of tons of trash moves through the Ramsey/Washington Recycling and Energy Center each year. But the goal is to keep as much of it as possible away from the landfill. "We have ...