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The formic acid then evaporates as the noodle flies through the air to the metal plate.

A low-cost, tin-based catalyst can selectively convert carbon dioxide to three widely produced chemicals -- ethanol, acetic acid and formic acid.

Dr Ziyun Wang's researchers in the School of Chemical Sciences, in collaboration with researchers at Chinese institutions, have demonstrated a method for turning CO2 into formic acid, reported in the journal Nature.

"COFs have the potential to be useful in a variety of catalytic processes ? you might, for instance, use COFs to break down carbon dioxide into useful chemicals like ethylene and formic acid," Daum said.

Using commercially available components, they designed an electrolysis cell in which inorganic catalysts convert carbon dioxide gas into formic acid.