Research Article
Simulation and Analysis of Long-Term CO2 Trapping for the Shenhua CCS Demonstration Project in the Ordos Basin
Table 2
Aqueous concentrations of in situ water [
26,
27,
32] and initial aqueous concentrations for simulations.
| Components | Liujiagou | Shiqianfeng | Shihezi | (mg/L) | (mol/kg H2O) | (mg/L) | (mol/kg H2O) | (mg/L) | (mol/kg H2O) |
| Na+ | 7816 | 1.09 | 4560 | 4.19 × 10−1 | 2356 | 1.97 × 10−1 | Ca2+ | 14511.02 | 1.32 × 10−2 | 6450 | 5.66 × 10−2 | 1067.33 | 2.70 × 10−5 | Mg2+ | 894.6 | 7.09 × 10−7 | 198.72 | 5.59 × 10−13 | 4.47 | 2.25 × 10−5 | K+ | 34.15 | 6.84 × 10−5 | 24.453 | 1.82 × 10−3 | 76.42 | 2.87 × 10−5 | Fe2+ | 2.24 | 1.02 × 10−4 | 19.04 | 1.25 × 10−5 | 27.47 | 9.52 × 10−11 | Cl- | 39739.84 | 1.12 | 17940 | 5.06 × 10−1 | 5339.34 | 1.50 × 10−1 | | 2075.01 | 3.93 × 10−4 | 1940 | 1.85 × 10−2 | 46.28 | 2.26 × 10−7 | | 25.22 | 1.77 × 10−3 | 56.852 | 6.50 × 10−4 | 520.26 | 4.57 × 10−2 | | 0.1845 | 1.32 × 10−8 | 0.00324 | 2.77 × 10−8 | 0.0057 | 7.59 × 10−8 | SiO2(aq) | 1.18 | 5.15 × 10−4 | 708 | 5.89 × 10−4 | 19.5 | 6.63 × 10−4 | pH | | 7.03 | | 6.68 | | 7.92 | Temperature | | 55°C | | 62°C | | 67°C |
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Note. Data under mg/L are aqueous concentrations of in situ water; data under mol/kg H2O are the initial aqueous concentrations for simulations.
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