Anaerobic digestion is a natural process that can be used to treat food waste and divert it from landfill. Microbial bacteria feed on the waste in enclosed vessels; these vessels are used in the treatment process and capture methane gas, which the bugs generate whilst feeding on the waste. This gas is then used to generate power or electricity instead of being released into the atmosphere. The gas can also be used as fuel in its own right replacing fossil fuels for applications such as public transport. The process leaves a treated digestate and fibre which can either be integrated into an in-vessel composting process to reduce its volume or recycled to land as a fertiliser.
In response to the UK Government’s waste strategy Envar has invested in anaerobic digestion treatment. Anaerobic digestion has a number of benefits as it reduces greenhouse gas emissions, it is carbon friendly and by helping to generate power and or electricity it contributes the UK’s renewable energy targets. It also provides local authorities with a choice of collecting food waste separately if they prefer not to mix it with green waste collections. By investing in this technology, Envar is assisting local authorities and food waste manufactures to select the technology which suits its particular circumstances'
Offering anaerobic digestion or composting, or by linking the processes together, guarantees our clients that Envar provides the most appropriate solution rather than being tied to one technology or treatment option.
For more information download
Recycling Food Waste Part 1 Pdf
Recycling Food Waste Part 2 Pdf
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