Production and property testing of bamboo pellet for biomass energy
2021
Anon.
There is high demand for wood pellets abroad, so timber companies in the Philippines are showing interest in entering the bioenergy market. However, to secure the sustainability of feedstocks, other alternative biomass must be tested if characteristics are within the standard of wood pellets such as dimensions, ash content, durability, fine particle content, additives, gross calorific value, net calorific value, bulk density, nitrogen (N) sulfur (S), chlorine (Cl), trace metals Arsenic (As), Cadmium (Cd), Chromium (Cr), Copper (Cu), Lead (Pb), Mercury (Hg), Nickel (Ni), Zinc (Zn), and Iron (Fe), ash fusion temperature and particle size distribution. In this study, various species of bamboo such as bayog (Dendrocalamus merrillianus (Elmer) Elmer), kawayan tinik (Bambusa spinosa Roxb.), beema (Bambusa balcooa Roxb.), and giant bamboo [Dendrocalamus asper (Schult f.) Backer], and napier grass [Cenchrus purpureus (Schumach.) Morrone] were converted to fuel pellets. Ten bamboo poles per species were crushed using a manual splitter and chipper and particle sizes were further reduced using a hammermill with 1mm grind screen. The FPRDI-developed pelletizing machine was used to produce 1-2 kgs/hr of fuel pellets. All the samples passed the standard for wood pellet in terms of dimension, durability, fine particle content, additive, net calorific value, As, Cd, Cr, Ph, Hg, Ni and Zn. However, for properties such as bulk density, S, Cl, and ash fusion temperature, the values for all the samples were lower than the wood standard. Pellets from kawayan tinik have the greatest number of qualities that passes the standard for wood pellets; therefore, it is recommended to be used as the best alternative for wood pellet.
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