Journal
THERMAL SCIENCE
Volume 20, Issue -, Pages S895-S901Publisher
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI16S3895J
Keywords
hydrogen production; corn cob; super-critical water gasification; alkali catalysts; Fourier transform infrared spectroscopy; scanning electron microscopy
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Funding
- National Natural Science Foundation of China [51306145, 51236007]
- National Basic Research Program of China [2012CB215303]
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Super-critical water gasification of biomass is a promising technology for hydrogen production. In order to achieve high hydrogen yield and complete gasification, the operating parameters were investigated and the solid residual was analyzed to study the reaction bottleneck by Fourier transform infrared spectroscopy and scanning electron microscopy. The experimental results showed that most organic functional groups in corn cob were consumed by super-critical water above 500 degrees C, however, the aromatic substance and cyclic ketone were remained. The K2CO3 has the best catalytic effect due to the formation of pore structure in the residual particle surface. The carbon gasification efficiency of 97.97% and the hydrogen yield was 50.28 mol/kg.
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