Abstract
An experimental study of gasification of palm kernel shell residues from the palm oil industry, as a potential hydrogen feedstock, is investigated. The gasification is conducted in a bench-scale fluidized bed gasifier with 55 mm diameter and 850 mm height. The operating conditions were studied in the following ranges: reaction temperature in gasification zone (750–1100 °C), feeding rate (0.20–1.21 kg/h), feedstock particle size (0.1–5 mm), and equivalence ratio (ER) (0.23–0.27). The increasing temperature and equivalence ratio was found to significantly influence the gas yield (up to 90 wt % conversion on the raw biomass) at 1000 °C and hence hydrogen composition (40 vol %). The feedstock particle size and feeding rate only showed minor influence. In conclusion, palm kernel shell is a potential candidate for hydrogen production.
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