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Spent cigarette butts may find use in longer-lasting roads
While we're used to seeing cigarette butts littering public roads, such butts may soon be making their way into those roads, strengthening them in the process. It's all part of a new recycling effort, which should also reduce the need for road repairs.
The scientists began by removing the ashy residue from the ends of used e-cig filters, which were composed mainly of cellulose and PLA (polylactic acid) fibers. And as an added bonus, the pellets' wax modified the viscosity of the bitumen, allowing the enhanced asphalt to be produced at lower, more energy-efficient temperatures. An experienced freelance writer, he previously obtained an English BA from the University of Saskatchewan, then spent over 20 years working in various markets as a television reporter, producer and news videographer.
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