Prevention and Control of Hydrogen Sulphide Accidents in Mining Extremely Thick Coal Seam: A Case Study in Wudong Coal Mine

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8885949/figures/8885949.fig.0015a.svgz" name="8885949.fig.0015a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The test point at 1.8 m from the coal wall</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8885949/figures/8885949.fig.0015b.svgz" name="8885949.fig.0015b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The test point at 1.4 m from the coal wall</td></tr></table>

<div>Relationship of hydrogen sulphide emission concentration to the concentrations of spray absorption solution.</div>

Geofluids

fig15

Figure 15

Figure 15: Prevention and Control of Hydrogen Sulphide Accidents in Mining Extremely Thick Coal Seam: A Case Study in Wudong Coal Mine 