Research Article
Removal of Sulfur Dioxide from Flue Gas Using the Sludge Sodium Humate
Figure 6
The photo of (A) SHA-Na solution; (B) desulfurization liquid after standing for 3 hours (SO2, 2500 ppm; gas flow, 0.12 m3/h; absorption solution, 100 mL; O2, 5 vol%; 25°C).
