Optimization of Sulfide/Sulfite Pretreatment of Lignocellulosic Biomass for Lactic Acid Production

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="934171.fig.005a" src="https://static.hindawi.com/articles/bmri/volume-2013/934171/figures/934171.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b> Enzymatic hydrolysis yield (%) from Na<sub>2</sub>S treated substrates</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="934171.fig.005b" src="https://static.hindawi.com/articles/bmri/volume-2013/934171/figures/934171.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Enzymatic hydrolysis yield (%) from Na<sub>2</sub>SO<sub>3</sub> treated substrates</td></tr></table></td></tr></table>

<table>Hydrolysis yield during different experimental runs: (a) when biomass was treated with Na<sub>2</sub>S; (b) when biomass was  treated with Na<sub>2</sub>SO<sub>3</sub>.</table>

BioMed Research International

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Figure 5

Figure 5: Optimization of Sulfide/Sulfite Pretreatment of Lignocellulosic Biomass for Lactic Acid Production 