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Super Pollutants

A Chinese Chemical Company Captures and Reuses 6,000 Tons of a Super-Polluting Greenhouse Gas

The nitrous oxide, a byproduct of nylon manufacturing, is nearly 300 times more potent than carbon dioxide. The amount recycled equals emissions from 400,000 cars.

By Phil McKenna, Lili Pike

Linggas tanks have begun capturing and purifying waste nitrous oxide gas from the Henan Shenma Nylon Chemical Company in central China. Credit: Geng Xue, Linggas

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