The changes in chemical compositions, chemical structures, and physical characteristics of the pine wood could make the carbohydrates more accessible for the anaerobic bacteria, and consequently resulted in enhancement of the biogas yield [14,10].
The changes in chemical compositions, chemical structures,and physical characteristics of the pine wood could make the carbohydratesmore accessible for the anaerobic bacteria, and consequentlyresulted in enhancement of the biogas yield [14,10].