TY - JOUR
T1 - Household solid waste combustion with wood increases particulate trace metal and lung deposited surface area emissions
AU - Timonen, H.
AU - Mylläri, F.
AU - Simonen, P.
AU - Aurela, M.
AU - Maasikmets, M.
AU - Bloss, M.
AU - Kupri, H. L.
AU - Vainumäe, K.
AU - Lepistö, T.
AU - Salo, L.
AU - Niemelä, V.
AU - Seppälä, S.
AU - Jalava, P. I.
AU - Teinemaa, E.
AU - Saarikoski, S.
AU - Rönkkö, T.
N1 - Funding Information:
This work was supported by the Estonian Environmental Investment Centre project no. 10627 , BC Footprint project (528/31/2019) funded by Business Finland and participating companies and Strategic Research Council at the Academy of Finland , project Transition to a resource efficient and climate neutral electricity system (EL-TRAN, grant number 314319 ) and Academy of Finland Flagship funding (grant no. 337552 , 337551 ).
Publisher Copyright:
© 2021 The Author(s)
PY - 2021/9/1
Y1 - 2021/9/1
N2 - In households, municipal solid waste (MSW) is often burned along with wood to get rid of waste, to help in ignition or simply to reduce fuel costs. The aim of this study was to characterize the influence of household waste combustion, along with wood, on the physical and chemical properties of particulate emissions in a flue gas of a masonry heater. The MSW burning alongside wood increased average particulate matter (PM) mass (65%), lung deposited surface areas (LDSA, 15%), black carbon (BC, 65%) concentrations and the average particle size in the flue gas. The influence of MSW was smaller during ignition and burning phases, but especially during fuel additions, the mass, number, and LDSA concentrations increased significantly and their size distributions moved towards larger particles. For wood burning the trace metal emissions were relatively low, but significant increase (3.3–179 -fold increase over cycle) was seen when MSW was burned along the wood. High ratios were observed especially during fuel addition phases but, depending on compounds, also during ignition and burning end phases. The highest ratios were observed for chloride compounds (HCl, KCl, NaCl). The observed increase in light-absorbing particle, trace metal and BC concentrations in flue gas when adding wood with MSW are likely to have negative impacts on air quality, visibility, human health and climate. Furthermore, metals may also affect the condition and lifetime of the burning device due to corrosion.
AB - In households, municipal solid waste (MSW) is often burned along with wood to get rid of waste, to help in ignition or simply to reduce fuel costs. The aim of this study was to characterize the influence of household waste combustion, along with wood, on the physical and chemical properties of particulate emissions in a flue gas of a masonry heater. The MSW burning alongside wood increased average particulate matter (PM) mass (65%), lung deposited surface areas (LDSA, 15%), black carbon (BC, 65%) concentrations and the average particle size in the flue gas. The influence of MSW was smaller during ignition and burning phases, but especially during fuel additions, the mass, number, and LDSA concentrations increased significantly and their size distributions moved towards larger particles. For wood burning the trace metal emissions were relatively low, but significant increase (3.3–179 -fold increase over cycle) was seen when MSW was burned along the wood. High ratios were observed especially during fuel addition phases but, depending on compounds, also during ignition and burning end phases. The highest ratios were observed for chloride compounds (HCl, KCl, NaCl). The observed increase in light-absorbing particle, trace metal and BC concentrations in flue gas when adding wood with MSW are likely to have negative impacts on air quality, visibility, human health and climate. Furthermore, metals may also affect the condition and lifetime of the burning device due to corrosion.
KW - Biomass burning
KW - Black carbon
KW - Chemical characterization
KW - LDSA
KW - Metals
KW - Municipal solid waste burning
KW - Particulate emissions
U2 - 10.1016/j.jenvman.2021.112793
DO - 10.1016/j.jenvman.2021.112793
M3 - Article
C2 - 34058452
AN - SCOPUS:85107784851
VL - 293
JO - Journal of Environmental Management
JF - Journal of Environmental Management
SN - 0301-4797
M1 - 112793
ER -