This Supermarket Will Use Food Waste To Power Itself
Where does all the leftover food go when the grocery store closes at the end of the day? Maybe it’s repurposed somehow or thrown out, but what if it could help a supermarket become energy independent? A Sainsbury’s supermarket in the United Kingdom will soon power itself with leftover food waste and disconnect from the National Grid.
Sainsbury’s is partnering with Biffa, one of the U.K.’s largest waste management companies, to make this possible. Sainsbury’s trucks its food waste from all over the U.K. to Biffa’s plant in Staffordshire. Biffa then converts it into biogas, and this biogas is then burned to meet the energy needs of a location in the town of Cannock.
“Sainsbury’s sends absolutely no waste to landfill and we’re always looking for new ways to reuse and recycle,” said Sainsbury’s’ head of sustainability Paul Crewe in a press release. “We’re delighted to be the first business ever to make use of this linkup technology, allowing our Cannock store to be powered entirely by our food waste.”
Biogas is characterized based on its chemical composition and the physical characteristics which result from it. It is primarily a mixture of methane (CH4) and inert carbonic gas (CO2). However the name “biogas” gathers a large variety of gases resulting from specific treatment processes, starting from various organic waste - industries, animal or domestic origin waste etc.
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