Feb-24-19
An innovative recycling process extracts liquid silica from waste glass, giving the material a new use.
Typically, only large pieces of glass of the same color are saved for recycling, with the small, different colored fragments traveling to the landfill with the rest of the trash. To reduce this waste, a pair of scientists from the University of Queensland developed a way to dissolve glass fragments to extract liquid silica using a chemical similar to drain cleaner. The technique requires less energy and money than conventional methods, and can extract 2.2 pounds of silica gel from 2.9 pounds of waste glass.
The silica can go on to be used in detergents, fertilizer and tires, among other products.
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NEWATLAS.COM]
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UQ.EDU.AU]
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