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out-of-date food in addition to sub-filling to people to eat, there is no better way to deal with it? A British supermarket is planning to use food it can't sell to generate electricity for its own use. Discarded food from several stores is collected at the central station, food is poured into anaerobic tanks, and rapidly multiplying anaerobic bacteria can produce gases that are mainly made up of carbon dioxide and methane by breaking down food in multiple steps.Sainsbury's store in Cannock is preparing to turn itself into an anaerobic digester, according to foreign media reports. If successful, supermarkets could rely entirely on themselves to generate electricity, and they could supply excess electricity back to the national grid.Sainsbury's supermarket in Cannock will become the first store in the UK not to be powered by the national grid. At present, there is no precedent for large supermarkets in the United States to adopt the same approach. But the country's Kroger supermarket chain is said to be expected to use anaerobic decomposition technology to supply more than
20 per cent of the Compton distribution
's electricity. Some U.S. states and cities are also planning to use waste food to generate electricity recently.(
/
ReporterFeng Qiuyu)
