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Clever idea: This street lamp works with biogas from dog waste
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Good news: Dog waste has a positive use here
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October 4, 2022
This lantern works with dog poop
In England there is a very special street lamp – because it exchanges dog poop for light and thus also ensures a clean neighborhood. The lantern is not powered by electricity, but glows with biogas, which is obtained from the legacies of the dogs. As is so often the case, the idea arose out of a nuisance. British inventor Brian Harper was fed up with dog poo in the park and wanted to find a positive solution.
That’s why there’s now a street lamp in Malvern Hills, England, that’s powered by dog poop. This is how it works: The dog owners are provided with paper bags free of charge, the filled bags are then disposed of in a container by the lantern. The bag is transported into the integrated organic composter with the help of a handle. Both the sachet and the contents decompose within a few days. This process produces biogas. This gas consists of 60 percent methane and 40 percent carbon dioxide.
The gas mixture is collected in a container and illuminates the street lamp as dusk falls. Ten bags of dog waste are needed for two hours of light. In addition to the gas, fertilizer is also produced. This can then also be further developed.
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Sources used: watson.de