Separation\nof C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>6</sub> and C<sub>2</sub>H<sub>2</sub>/CO<sub>2</sub> in a\nNitrogen-Rich Copper-Based Microporous Metal–Organic\nFramework
Lu-Lu Ma (10525607)Nan An (6179978)Fu-An Guo (16469023)Hao Wang (39217)Guo-Ping Yang (644345)Yao-Yu Wang (818063)
Abstract
The purification of industrially valuable C<sub>2</sub>H<sub>2</sub> and C<sub>2</sub>H<sub>4</sub> from multicomponent\nmixtures represents\na crucial process in the chemical industry. In this study, we present\na copper-based metal–organic framework (<b>L-py-Cu</b>) built on a nitrogen-rich organic linker that is capable of separating\nC<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>6</sub> and C<sub>2</sub>H<sub>2</sub>/CO<sub>2</sub> mixtures,\ntherefore producing highly pure C<sub>2</sub>H<sub>4</sub> and C<sub>2</sub>H<sub>2</sub>, respectively. <b>L-py-Cu</b> exhibits\nfavorable adsorption of C<sub>2</sub>H<sub>2</sub> and C<sub>2</sub>H<sub>6</sub> over C<sub>2</sub>H<sub>4</sub> and thus achieves one-step\nC<sub>2</sub>H<sub>4</sub> purification from C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>6</sub> ternary mixtures,\nas verified by multicomponent breakthrough measurements. In addition,\nit can also extract C<sub>2</sub>H<sub>2</sub> from C<sub>2</sub>H<sub>2</sub>/CO<sub>2</sub> binary mixtures.
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