Could metal particles be the clean fuel of the future? | Newsroom – McGill University

Recyclable after combustionThe idea put forward by the McGill team takes advantage of an important property of metal powders: when burned, they react with air to form stable, nontoxic solid-oxide products that can be collected relatively easily for recycling – unlike the CO2 emissions from burning fossil fuels that escape into the atmosphere.Using a custom-built burner, the McGill researchers demonstrated that a flame can be stabilized in a flow of tiny metal particles suspended in air. Flames from metal powders “appear quite similar” to those produced by burning hydrocarbon fuels, the researchers write. “The energy and power densities of the proposed metal-fueled heat engines are predicted to be close to current fossil-fueled internal combustion engines, making them an attractive technology for a future low-carbon society.”

Source: Could metal particles be the clean fuel of the future? | Newsroom – McGill University

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