Enhancing Bioethanol Productivity Using Alkali-Pretreated Empty Palm Fruit Bunch Fiber Hydrolysate

<div>Composition of empty palm fruit bunch fiber (EPFBF) after pretreatment with different concentrations of NaOH at 121°C for 1 h. (a) Proportion of insoluble solids in alkali-pretreated EPFBF and delignification efficiency (close circles). (b) Contents of cellulose, hemicellulose, and lignin in EPFBF after NaOH pretreatment. All experiments were performed in triplicate.</div>

BioMed Research International

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Figure 2

Figure 2: Enhancing Bioethanol Productivity Using Alkali-Pretreated Empty Palm Fruit Bunch Fiber Hydrolysate 