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Energy requirements for the MgO looping process.
| Unit operation | Energy requirements | Energy type | |
|---|---|---|---|
| Lower bound | Upper bound | ||
| Air separation unit and condenser7 [MJ tCO2−1] | 300 | 300 | Electricity |
| Oxy-fired calciner [MJ tCO2−1] | 5890 | 7970 | Natural gas |
| Transportation [MJ tCO2−1] | 8 | 9 | Electricity |
| Stirring equipment [gallons tCO2−1] | 0.29 | 0.31 | Gasoline |
| Recollection equipment [gallons tCO2−1] | 0.0051 | 0.0054 | Gasoline |
