Biochar is produced from coconut shell waste generated during the white coconut processing process.
Keywords:
Biochar, coconut shell, briquettes, co-generation reactor, charcoal kilnAbstract
This study aimed to test the efficiency of the co-firing reactor and evaluate its quality against the Thai Community Product Standard (M.P.C.657/2547). The reactor was specifically designed to integrate biomass and used engine oil as fuel components. Biochar properties were subsequently analyzed. Results indicated that the cogeneration reactor achieved a maximum average furnace temperature of 665°C with a burning time of 310 minutes. The produced biochar met the Community Product Standard (M.P.C.657/2547) requirements, exhibiting a heating value of 6,518.25 cal/g, ash content of 4.57%, volatile matter content of 11%, and moisture content of 3.82%.
A one-sample t-test (N=20) revealed that the biochar's heating value ( = 6,518.25 cal/g) was significantly higher than the standard value of 6,000 cal/g (p<.001).
Thus, the cofiring reactor is efficient enough to decompose tar, yielding pure charcoal. The resulting biochar possesses properties suitable for household cooking fuel and can also be developed into charcoal briquettes.
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