Markedly improved CO2 capture efficiency and stability of gallium substituted hydrotalcites at elevated temperatures
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Potassium carbonate promoted, Ga3+ substituted hydrotalcites reported here exhibit very high, selective and reversible CO2 capture from an exhaust gas mixture. The 10% Ga3+ substitution improved the CO2 capture from 0.3 mmol to 1.2 mmol per gram, and only 4% (w/w) of the sorbent capacity was lost after three cycles.
- Chemical Engineering Research [91 items ]