Numerical study on the efficiency of biomass and municipal waste fixed-bed co-gasification
The utilization of combustible waste, such as sewage sludge, can be combined with energy production for small-scale consumers. One of the ways of such utilization can be gasification, which makes it possible to obtain a combustible gas suitable for thermal and electric energy production. The aim of this study is to estimate the efficiency of sewage sludge co-conversion with woody biomass using mathematical model that allows to investigate process characteristics under different process conditions (air stoichiometric ratio, fuel mixture composition, initial moisture of sewage sludge). Dependencies of gasification process characteristics are evaluated and compared with published experimental data. Fixed-bed downdraft process is investigated related to using of wood and sewage sludge mixtures. New results are obtained considering process efficiency dependence on input fuel composition, method is proposed to estimate acceptable fuel mixtures based on agglomeration and efficiency requirements. © The Authors, published by EDP Sciences.
Библиографическая ссылка Donskoy I.G. Numerical study on the efficiency of biomass and municipal waste fixed-bed co-gasification // E3S Web of Conferences. Vol.114. ID: 06006. 2019. DOI: 10.1051/e3sconf/201911406006
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