Effect of wood pre-treatment on operating conditions and PM emissions during combustion at laboratory scale


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Guillaume Schmidt, Gwenaëlle Trouvé, Gontrand Leyssens, Cornelius Schönnenbeck, Fabrice Cazier, Dorothée Dewaele, Paul Genevray, Stéphane Labbé, Yann Denance, Céline Le-Dreff, Noël Adam

Pp 100-105

DOI:10.14644/dust.2016.016

This work aims to study the influence of the nature of biomass fuel and its pre-treatment on both emission factors of gaseous and particulate pollutants generated by new domestic heat generation in real use conditions. Indeed, these last years, domestic wood heating manufacturers have highly optimised combustion conditions, thanks to new technologies development, to respect the new European legislation proposed in 2022. In order to increase the environmental performance of these installations, some properties of the biomass fuel used (type, size, thermal reactivity, chemical composition, moisture rate, ash content …) were linked to the emission factors of gaseous and particulate pollutants generated by combustion.
We focus on beech pretreatment by washing process at laboratory scale. Both untreated and washed woods were combusted in a pellet stove in order to compare the environmental impact of the wood washing process on gaseous and particulate emissions.

Keywords: Wood; Combustion; Washing pretreatment; Particulate emissions; Gaseous emissions; Minerals