Influence of Varieties and Organic Fertilizer in the Elaboration of a New Poplar-Straw Pellet and Its Emissions in a Domestic Boiler

Sergio Paniagua, Alba Prado-Guerra, Ana Isabel Neto, Teresa Nunes, Luís Tarelho, Célia Alves and Luis Fernando Calvo
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Sergio Paniagua: Department of Applied Chemistry and Physics, Chemical Engineering Area, Institute of Environment, Natural Resources and Biodiversity (IMARENABIO), University of León, 24071 León, Spain
Alba Prado-Guerra: Department of Applied Chemistry and Physics, Chemical Engineering Area, Institute of Environment, Natural Resources and Biodiversity (IMARENABIO), University of León, 24071 León, Spain
Ana Isabel Neto: Centre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal
Teresa Nunes: Centre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal
Luís Tarelho: Centre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal
Célia Alves: Centre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal
Luis Fernando Calvo: Department of Applied Chemistry and Physics, Chemical Engineering Area, Institute of Environment, Natural Resources and Biodiversity (IMARENABIO), University of León, 24071 León, Spain

Energies, 2020, vol. 13, issue 23, 1-17

Abstract: Pollutants resulting from domestic combustion would have harmful effects on public health, causing disturbances in the atmosphere chemistry and the climate. In this work, the emissions from the combustion of pellets made of 80% poplar (organically fertilized) and 20% cereal straw ( Triticum aestivum ) have been analysed. Poplar wood from I-214 and AF-8 clones was obtained from fertilized and non-fertilized plots (CONTROL). Dairy wastewater treatment (MUD) and dehydrated sewage sludge (BIOSOLIDS) were the fertilizers employed. BIOSOLIDS-I214 pellets had lower quality standards, so its combustion was omitted. A flue gas sample was sampled together with the particles emitted. The I-214 MUD sample had the highest emitted CO value (1505 mg/MJ). Regarding HCl emission factors, there was a homogeneity in the results linked with the Cl content present in the raw material. A higher particle emission was associated with pellets with higher ash content. Particles were composed mainly for elemental carbon (26–80 mg/MJ), except I-214 MUD. I-214 pellets had the indicators of incomplete combustion and, therefore, major contaminants emission and major environmental impact. Thus, both the poplar clone and the organic fertilizer influenced the parameters and emissions analysed. Therefore, special attention must be paid to both characteristics.

Keywords: biomass; combustion gases; emission factors; organic fertiliser; poplar clone (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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