Activated combustion of biomass blends by microwave pre-treatment of straw
2021
Goldsteins, L., University of Latvia, Riga (Latvia). Inst. of Physics | Valdmanis, R., University of Latvia, Riga (Latvia). Inst. of Physics | Zake, M., University of Latvia, Riga (Latvia). Inst. of Physics
The aim of this study is to investigate the heat production and emissions of biomass blends consisting of commercial wood pellets and microwave (MW) pre-treated wheat straw pellets to intensify use of the straw in energy production. Three types of blends of wood and straw pellets with different pre-treatment conditions were used in this study. An experimental device consisting of a gasifier and combustor was used to analyse the effect of MW pre-treatment in blends on combustion characteristics: flame temperature, total heat power and product composition. The study revealed that MW pre-treatment of straw pellets enhances combustion characteristics of blends: faster thermal decomposition, increase of the flame temperature and combustion efficiency.
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