E3S Web Conf.
Volume 10, 20161st International Conference on the Sustainable Energy and Environment Development (SEED 2016)
|Number of page(s)||6|
|Published online||17 October 2016|
Analysis of sewage sludge ashes from air and oxy-fuel combustion in a circulating fluidized-bed
1 AGH University of Science and Technology, Mickiewicza 30 Av., 30-056 Krakow, Poland
2 Czestochowa University of Technology, Institute of Thermal Machinery, Armii Krajowej 21, 42-201 Czestochowa, Poland
a Corresponding author: email@example.com
The ashes from sewage sludge combustion in air versus O2/CO2 atmospheres with oxygen concentrations in the range of 21–40% vol. at temperature of 850°C in a 12 kW bench-scale CFB combustor were characterised. The chemical and phase composition of ashes were studied by XRF and XRD. The morphology of studied ashes were examined by SEM method. The slagging and fouling indices were calculated to study the deposition tendencies of ash. The thermal behaviour of ashes was studied by TG-DSC techniques, focusing on the mass loss and thermic effects with the increasing of temperature up to 1200°C.
© The Authors, published by EDP Sciences, 2016
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