Photocatalytic Based Degradation Processes of Lignin Derivatives

<div>Gradual change from the characteristic yellow lignin sulfonate to a colorless liquid after a period of 20 h. Catalyst: TiO<sub>2</sub>-P25 (Degussa) + TEOS, UV-light, 25°C, lignin concentration: 0.5 g/L [<a href="/journals/ijp/2015/137634/#B58">54</a>].</div>

International Journal of Photoenergy

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Figure 9

Figure 9: Photocatalytic Based Degradation Processes of Lignin Derivatives 