Steam Co-Gasification of Rice Husk and Sewage Sludge in a Fluidized Bed Gasifier


Authors : Dr.G.Pranesh; J Farook Firthose; A Akash Subramaniyan; K Arunkumaar; A Eazath Ahamed

Volume/Issue : Volume 8 - 2023, Issue 4 - April

Google Scholar : https://bit.ly/3TmGbDi

Scribd : https://bit.ly/3VXaRfJ

Abstract : Due to its environmental friendliness and substantial energy supply, biomass is a promising alternative among the various renewable energies. Gasification has been suggested as a viable approach to maximize the energy efficiency of biomass. In this study, steam was used to co-gasification of rice husk (RH) and sewage sludge (SS) at various temperatures. In this present work the H2 content is increased and the syngas production dropped as the SS ratio in blends increased. Due to the reduction and steam oxidation of Fe species in SS during the co-gasification process, the synergistic interaction was more important at higher temperatures, which encouraged the H2 production. At SS ratio=0.80 and temperature of 900°C, the highest effective gas content (82.92 vol%) and highest HHV (11.40 MJ/m3 ) were optimised. It suggests that steam co-gasification of RH and SS is a method that has potential for producing the needed syngas for a safe and effective waste management procedure.

Keywords : Steam Co-Gasification, Sewage Sludge, Rice Husk, Syngas.

Due to its environmental friendliness and substantial energy supply, biomass is a promising alternative among the various renewable energies. Gasification has been suggested as a viable approach to maximize the energy efficiency of biomass. In this study, steam was used to co-gasification of rice husk (RH) and sewage sludge (SS) at various temperatures. In this present work the H2 content is increased and the syngas production dropped as the SS ratio in blends increased. Due to the reduction and steam oxidation of Fe species in SS during the co-gasification process, the synergistic interaction was more important at higher temperatures, which encouraged the H2 production. At SS ratio=0.80 and temperature of 900°C, the highest effective gas content (82.92 vol%) and highest HHV (11.40 MJ/m3 ) were optimised. It suggests that steam co-gasification of RH and SS is a method that has potential for producing the needed syngas for a safe and effective waste management procedure.

Keywords : Steam Co-Gasification, Sewage Sludge, Rice Husk, Syngas.

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