Removal of Sulfur Dioxide from Flue Gas Using the Sludge Sodium Humate

<table>XRD pattern of the crystals from supernatant (SO<sub>2</sub>, 2500 ppm; gas flow, 0.12 m<sup>3</sup>/h; absorption solution, 100 mL; O<sub>2</sub>, 5 vol%; 25°C).</table>

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Figure 8

Figure 8: Removal of Sulfur Dioxide from Flue Gas Using the Sludge Sodium Humate 