10.5281/zenodo.3759254
https://zenodo.org/records/3759254
oai:zenodo.org:3759254
Szul Mateusz
Szul Mateusz
0000-0001-9550-2035
Instytut Chemicznej Przeróbki Węgla
Słowik Krzysztof
Słowik Krzysztof
Instytut Chemicznej Przeróbki Węgla
Głód Krzysztof
Głód Krzysztof
Instytut Chemicznej Przeróbki Węgla
Iluk Tomasz
Iluk Tomasz
Instytut Chemicznej Przeróbki Węgla
Influence of pressure and CO2 in fluidized bed gasification of waste biomasses
Verein zur Förderung zukunftsfähiger Energietechnik auf Basis der Poly- generationsstrategie aus Biomasse
2019
O2/CO2/H2O
gasification
biomass
biogenic residues
pressure
ash agglomeration
2019-11-18
eng
10.5281/zenodo.3759253
https://zenodo.org/communities/heattofuel
https://zenodo.org/communities/eu
Creative Commons Attribution 4.0 International
An autothermal fluidized bed reactor was used to carry out research on the influence of pressure on gasification process of different types of biomasses. The gasified feedstocks were bark, lignin and softwood pellet as a reference material. The gasification was done with a mixture of O2/CO2/H2O. The impact of the application of CO2 on yield of H2 in syngas was determined. Resulting high content of CO makes use of the syngas in chemical synthesis applications very difficult without pretreatment . On the other hand, the CO2 proved to improve Carbon Conversion Efficiency of the gasification and to be an option for its chemical sequestration (negative carbon footprint). Moreover, a slight variation of conventional indices used to evaluate efficiencies of gasification systems (Carbon Conversion Efficiency and Steam/Carbon ratio) was proposed to take into account the impact of the additional source of carbon. Increasing system pressure led to syngas changes in line with predictions of the Le Chatelier's principle. The changes were seen primarily by higher yields of CH4 and lower overall production of syngas. For higher hydrocarbons (CxHy) the trend was unclear. For each pressure level and a standard 850°C gasification temperature, a set of stable gasification parameters were achieved with the exception of lignin at 2 barg.
European Commission
10.13039/501100000780
764675
Biorefinery combining HTL and FT to convert wet and solid organic, industrial wastes into 2nd generation biofuels with highest efficiency