Image: Materials from printed circuit boards used in electronics, such as computers and cell phones, could be used to strengthen asphalt paving, scientists report. Shown is a micrograph of the modified asphalt. (American Chemical Society)

Discarded electronic hardware, including bits and pieces that built the information superhighway, can be recycled into an additive that makes super-strong asphalt paving material for real highways, researchers in China are reporting in a new study. It is scheduled for the Feb. 1 issue of ACS' Environmental Science & Technology, a semi-monthly journal. They describe development of a new recycling process that can convert discarded electronic circuit boards into an asphalt "modifier." The material makes high-performance paving material asphalt that is cheaper, longer lasting, and more environmentally friendly than conventional asphalt, the scientists report.



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