Green road can absorb pollution from vehicles

Jun 12, 2017

A road paved with a new, green material to absorb vehicle exhaust was put to use last week in Oriental Beauty Valley, an industrial park for cosmetics companies in Fengxian District.

The 2-kilometer Maoyuan Road is paved with a layer of photocatalyst to protect the asphalt surface and to absorb fumes from about 500 auto vehicles a day. The material can dissolve exhaust emissions into water, salt and harmless substances.

Si Kang, a scientist recruited through the National Thousand Talent Program, developed the new photocatalyst with his team. "A 100-kilometer road can absorb and dissolve emissions from 20,000 to 30,000 cars a day," he said.

All roads in Anji County, west of Hangzhou, have been covered with the new material which can reduce nitrogen oxide density by 10 to 20 percent and carbon dioxide density by 44.4 percent compared with normal roads, according to a report.

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