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Now, convert toxic pollutant into useful chemical

November 24, 2019 | 174 views

Researchers have developed a novel material that can capture the toxic air pollutant nitrogen dioxide which is produced during the combustion of fossil fuels, an advance that can lead to better air pollution control, and remediation technologies. The study, published in the journal Nature Chemistry, describes the selective, fully reversible and repeatable process by which the new material can trap the noxious gas. The researchers, including those from the Oak Ridge National Laboratory in the US, said the material — a metal-organic framework, or MOF — requires only water and air to convert the captured gas into nitric acid for industrial use. They said the material — denoted as MFM-520 — can capture atmospheric nitrogen dioxide at normal pressures and temperatures even at low concentrations, and in the presence of moisture, and other gases like sulphur dioxide and carbon dioxide.

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