Abstract
An experimental study on hydrogen production from biomass was conducted using a bench-scale fluidized bed gasifer. Parametric experiments were performed to determine the effects of reaction temperature, steam, equivalence ratio (ER) and catalysts. The catalysts used were dolomites and nickel-based catalysts and were located in gasifier and a downstream fixed reactor, respectively. Of the conditions tested, hydrogen yield ranges between 22 and 83g H2 per kg of biomass (wet basis) and hydrogen yield potential ranges between 115 and 223g H2 per kg of biomass (wet basis). The experimental results prove that higher reaction temperature; proper steam quantity and ER will contribute to more hydrogen production. Dolomites and nickel-based catalysts are very active and useful for increasing hydrogen yield and gas conditioning.
