Analysis of the Change Feature and Action Mechanism of Coal Pore Structure under the Action of Supercritical CO<sub>2</sub>

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/ijer/volume-2023/8679917/figures/8679917.fig.005a.svgz" name="8679917.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Pore volume of coking coal</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/ijer/volume-2023/8679917/figures/8679917.fig.005b.svgz" name="8679917.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Pore volume of anthracite</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/ijer/volume-2023/8679917/figures/8679917.fig.005c.svgz" name="8679917.fig.005c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Pore specific surface area of coking coal</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/ijer/volume-2023/8679917/figures/8679917.fig.005d.svgz" name="8679917.fig.005d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Pore specific surface area of anthracite</td></tr></table>

<div>Changes in pore volume and pore specific surface area percentage of coal samples before and after ScCO<sub>2</sub> treatment.</div>

International Journal of Energy Research

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Figure 5

Figure 5: Analysis of the Change Feature and Action Mechanism of Coal Pore Structure under the Action of Supercritical CO<sub>2</sub> 

International Journal of Energy Research

Analysis of the Change Feature and Action Mechanism of Coal Pore Structure under the Action of Supercritical CO2

Figure 5

Analysis of the Change Feature and Action Mechanism of Coal Pore Structure under the Action of Supercritical CO₂