Particulate matter emissions from combustion of wood in district heating applications

S. Ghafghazi, T. Sowlati, S. Sokhansanj, X. Bi and S. Melin

Renewable and Sustainable Energy Reviews, 2011, vol. 15, issue 6, 3019-3028

Abstract: The utilization of wood biomass to generate district heat and power in communities that have access to this energy source is increasing. In this paper the effect of wood fuel properties, combustion condition, and flue gas cleaning system on variation in the amount and formation of particles in the flue gas of typical district heating wood boilers are discussed based on the literature survey. Direct measurements of particulate matter (PM) emissions from wood boilers with district heating applications are reviewed and presented. Finally, recommendations are given regarding the selection of wood fuel, combustion system condition, and flue gas cleaning system in district heating systems in order to meet stringent air quality standards. It is concluded that utilization of high quality wood fuel, such as wood pellets produced from natural, uncontaminated stem wood, would generate the least PM emissions compared to other wood fuel types. Particulate matter emissions from grate burners equipped with electrostatic precipitators when using wood pellets can be well below stringent regulatory emission limit such as particulate emission limit of Metro Vancouver, Canada.

Keywords: Wood; biomass; Particulate; matter; emissions; Dioxin; and; furan; District; energy; systems; Biomass; combustion; systems; Flue; gas; cleaning; systems (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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