Bioenergy potential of Kauayan tinik (Bambusa spinosa Roxb.) and Kauayan kiling (Bambusa vulgaris Schrad. ex J.C.Wendl): Culm height section analysis
2025
Celine Rose S. Jimenez | Anniver Ryan P. Lapuz | Amando Allan D.M. Bondad | Cheyenne R. Marqueses | Ma. Cecile B. Zamora
This study evaluated the energy potential of two Philippine bamboo species, Bambusa spinosa (known locally as Kauayan tinik) and Bambusa vulgaris (known as Kauayan kiling), by analyzing moisture content, relative density, proximate composition, ash basic oxide composition, gross calorific value and energy density across different culm height sections (bottom, middle and top). Moisture content significantly decreased from bottom to top, while relative density showed the opposite trend, with a strong negative correlation observed, particularly in B. spinosa. Proximate analysis revealed that the bottom and middle sections of both bamboo species had higher volatile matter and fixed carbon, along with lower ash content. In both bamboo species, the ash contained more CaO than MnO and Fe2O3, while the top section of the culm had the lowest levels of all identified basic oxide components. This top section also exhibited the highest energy density, suggesting greater potential suitability for biomass energy generation.
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