Conclusion
Based on the above analysis results, the following knowledge was obtained.
(1) Using the moving-bed gasifier, 0.047 kg-H2/kg-biomass material (purity: 99.99%) can
be produced due to a gasification process.
(2) The cost of bio-hydrogen is 4.60–7.86 $/kg-H2. Although this cost is higher than that of
methane, there is a sufficient possibility of introducing bio-hydrogen, considering the
mitigation of CO2 and the introduction of a green tax such as a CO2 tax.