Table 6 Land area requirements for the MgO looping process.
From: Ambient weathering of magnesium oxide for CO2 removal from air
Lower bound | Upper bound | 1 GtCO2 | |
|---|---|---|---|
CO2 captured [MtCO2 yr−1] | 60 | 180 | 1000 |
Total plot land area [Mha] | 0.04 | 0.11 | 0.61 |
Grid electricity land area [ha] | 91 | 286 | 1,500 |
Solar electricity land area [ha] | 8,300 | 26,100 | 138,000 |
Total land area (grid) [Mha] | 0.04 | 0.11 | 0.61 |
Total land area (solar) [Mha] | 0.05 | 0.14 | 0.75 |
