Anaerobic digestion – or AD – is a process in which microbes break down organic material within an oxygen-free environment.
As a product of AD, we produce:
Biogas, a gaseous mix of biomethane (~55%) and bio-CO2 (~45%). Highly concentrated streams of these two gases can be captured
Digestate, an organic-rich biofertiliser. Digestate can be separated into wet and dry fractions, to optimise its ability to fertilise and condition soils on farms
Any organic material can be anaerobically digested, from agricultural crops and residues to food waste and sewage sludge. AD unlocks the greatest value from these organic resources.
At Future Biogas, we specialise in bioenergy crops - specifically, those grown using regenerative farming techniques. Here, our AD plants work in partnership with farmers to support the transition to more sustainable agriculture.
With around 700 plants in operation within the UK, AD is an established and mature technology. Of these plants, over 130 upgrade their biogas to biomethane, generating an estimated 6 TWh of biomethane each year – enough to heat around 500,000 homes.
AD is widely recognised as key technology in the delivery of Net Zero targets, both in the UK and EU. It can help tackle some of the hardest-to-decarbonise sectors – namely heat, transport and agriculture – while also presenting a key opportunity for GHG removals (GGR; also known as Carbon Dioxide Removal, CDR).
Future Biogas operates twelve AD plants in the UK, generating over 500 GWh of biomethane each year. Project Carbon Harvest is on-track to deliver the next generation of AD plants in the UK, with new plants currently in-construction.
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