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Where will your recycled plastic go? Maybe into highways

Tags: plastic

TechniSoil Industrial says its roads are eight to 16 times more durable

Ashley Halsey III reports for The Washington Post:

Until about a year ago, few people had reason to wonder where the Plastic they tossed into the recycling bin ended up. It was being made into new bottles, bags, straws and beach balls, right?
Wrong: Almost half of it was shipped to China. Then, China announced last year that it didn’t want to buy the stuff anymore.
So, what should we do with all that plastic choking the world’s landfills? Why not recycle it and use it to build roads?
Bound together with plastic polymers, the asphalt will be cheaper and last longer than conventional pavement, according to independent experts.
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One European firm already is combining plastic pellets with hot-mix asphalt to resurface roadways. A U.S. company says that once it finds financial backing, its product “could be deployed within six months” with a process that combines asphalt milled from the road’s surface with plastic urethane.  

Mixing recycled plastic into asphalt is more common in India and Pakistan than in the United States.

These samples show a product using recycled asphalt and G5 polymer from TechniSoil Industrial, a plastic-roadway company. (TechniSoil Industrial)
“Every country is going to come up with ways to reuse this recycled plastic,” said Sahadat Hossain, an engineering professor at the University of Texas at Arlington. “I work with Africa and developing countries. Everywhere you go, they’re building new roads — hundreds of miles of them. We could put a lot of this [plastic] material to use.”
And an ambitious Dutch company envisions 100-percent-recycled plastic roads built in sectional panels that can be popped into place like Lego blocks. So far, though, its biggest project has been the test of a 30-meter bike path in a city about 60 miles east of Amsterdam.
No one knows how many tons of plastic waste might be put to use in building roads, bike paths or sidewalks. But the plastic problem became prodigious the minute China stopped taking all but a tiny fraction of what the world produces.
More than 583 billion plastic bottles alone will be produced worldwide three years from now, according to the market research firm Euromonitor International. Bottles take close to 500 years to decompose in landfills, and some plastic items last almost twice as long.
By 2050, plastic floating in the oceans will outweigh the fish, according to a 2016 report by the Ellen MacArthur Foundation.
Without China paying to host the world’s biggest garbage dump, the rest of the world will have no place for an estimated 111 million metric tons of plastic waste that will accumulate in the next dozen years, according to University of Georgia researchers. Since 1992, China has accepted 45 percent of the world’s plastic recycling, they said.
Infusing plastic into highways is in its nascent hour, but the urgency of having no outlet for almost half the world’s plastic suggests traditional recycling may dry up, leaving landfills as the only other option.
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Where will your recycled plastic go? Maybe into highways


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