Emissions performance of high moisture wood fuels burned in a residential stove

A. Price-allison, Amanda Lea-Langton, E.j.s. Mitchell, B. Gudka, J.m. Jones, P.e. Mason, A. Williams

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    Abstract

    A study has been made of the effect of fuel moisture content on emissions from a wood burning domestic stove. Two fuel types were studied: beech which is a hardwood, and spruce which is a softwood. The moisture contents investigated were for a freshly felled wood, a seasoned wood and a kiln dried wood. The effect of the moisture measurement method was considered using a commercial electrical conductivity probe moisture meter which was compared with laboratory analysis by drying in an oven at 105 °C. It was shown that the probe can significantly underestimate the actual moisture content in certain cases. Correlations were made of the burning rate, the Emission Factors for the formation of gaseous and particulate pollutants as a function of the moisture content. We also studied the ratio of Black Carbon to Total Carbon (BC/TC) to obtain information on the organic content of the particles. The NOX emissions from this type of stove were only dependent on the fuel-nitrogen content and not on the moisture content.
    Original languageEnglish
    Pages (from-to)1038-1045
    JournalFuel
    Volume239
    Early online date29 Nov 2018
    DOIs
    Publication statusPublished - 1 Mar 2019

    Keywords

    • Combustion
    • Wood stove
    • Moisture content
    • Particulates

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