The biogenic content of process streams from mechanical–biological treatment plants producing solid recovered fuel. Do the manual sorting and selective dissolution determination methods correlate? |
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| Authors: | Mélanie Séverin Costas A Velis Phil J Longhurst Simon JT Pollard |
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| Institution: | 1. Department of Chemical Engineering, University of Salamanca, Plaza de los Caídos 1-5, 37008 Salamanca, Spain;2. Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 115, 2800 Kgs. Lyngby, Denmark;1. Department of Mechanical Engineering, The St. Thomas University Tunja, St. 19 #11-64, Tunja, Boyacá, Colombia;2. NEST – Excellence Group in Thermal Power and Distributed Generation, Institute of Mechanical Engineering, Federal University of Itajubá, Av. BPS 1303, Itajubá, Minas Gerais State CEP: 37500-903, Brazil;3. Seamans Center for the Engineering Arts and Sciences, University of Iowa, 3131 Iowa City, IA 52242, United States;1. INEGI-FEUP, Faculty of Engineering, University of Porto, Porto, Portugal;2. University of Trás-os-Montes and Alto Douro, Vila Real, Portugal;3. MEAM Department, University of Pennsylvania, PA, 19020, Philadelphia, USA;1. Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, no. 1, 6th floor, 08028 Barcelona, Spain;2. Centre for Solid Waste Bioprocessing, Schools of Civil and Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia;3. Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia;4. Ecoparc del Mediterrani, S.A., Av. Eduard Maristany s/n, 08930 Sant Adrià del Besós, Spain;5. CESPA, S.A., C/ Número 4, 08040 Barcelona, Spain;1. School of Engineering, University of Basilicata, Viale dell’Ateneo Lucano, 10, I-85100 Potenza, Italy;2. Department of Theoretical and Applied Sciences, University of Insubria, Via G.B. Vico 46, I-21100 Varese, Italy |
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| Abstract: | The carbon emissions trading market has created a need for standard methods for the determination of biogenic content (χB) in solid recovered fuels (SRF). We compare the manual sorting (MSM) and selective dissolution methods (SDM), as amended by recent research, for a range of process streams from a mechanical–biological treatment (MBT) plant. The two methods provide statistically different biogenic content values, as expressed on a dry mass basis, uncorrected for ash content. However, they correlate well (r2 > 0.9) and the relative difference between them was <5% for χB between 21% w/wd and 72% w/wd (uncorrected for ash content). This range includes the average SRF biogenic content of ca. 68% w/wd. Methodological improvements are discussed in light of recent studies. The repeatability of the SDM is characterised by relative standard deviations on triplicates of <2.5% for the studied population. |
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