Non-isothermal thermogravimetric kinetic analysis of the thermochemical conversion of human faeces

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dc.contributor.authorFidalgo, Beatriz
dc.contributor.authorChilmeran, M.
dc.contributor.authorSomorin, Tosin Onabanjo
dc.contributor.authorSowale, Ayodeji
dc.contributor.authorKolios, Athanasios
dc.contributor.authorParker, Alison
dc.contributor.authorWilliams, Leon
dc.contributor.authorCollins, Matt
dc.contributor.authorMcAdam, Ewan J.
dc.contributor.authorTyrrel, Sean F.
dc.date.accessioned2018-09-10T15:27:05Z
dc.date.available2018-09-10T15:27:05Z
dc.date.issued2018-08-29
dc.description.abstractThe “Reinvent the Toilet Challenge” set by the Bill & Melinda Gates Foundation aims to bring access to adequate sanitary systems to billions of people. In response to this challenge, on-site sanitation systems are proposed and being developed globally. These systems require in-situ thermal treatment, processes that are not well understood for human faeces (HF). Thermogravimetric analysis has been used to investigate the pyrolysis, gasification and combustion of HF. The results are compared to the thermal behaviour of simulant faeces (SF) and woody biomass (WB), along with the blends of HF and WB. Kinetic analysis was conducted using non-isothermal kinetics model-free methods, and the thermogravimetric data obtained for the combustion of HF, SS and WB. The results show that the devolatilisation of HF requires higher temperatures and rates are slower those of WB. Minimum temperatures of 475 K are required for fuel ignition. HF and SF showed similar thermal behaviour under pyrolysis, but not under combustion conditions. The activation energy for HF is 157.4 kJ/mol, relatively higher than SS and WB. Reaction order for HF is lower (n = 0.4) to WB (n = 0.6). In-situ treatment of HF in on-site sanitary systems can be designed for slow progressive burn.en_UK
dc.identifier.citationBeatriz Fidalgo, M. Chilmeran, Tosin Somorin, et al., Non-isothermal thermogravimetric kinetic analysis of the thermochemical conversion of human faeces. Renewable Energy, Volume 132, March 2019, Pages 1177-1184en_UK
dc.identifier.issn0960-1481
dc.identifier.urihttps://doi.org/10.1016/j.renene.2018.08.090
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13472
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectPyrolysisen_UK
dc.subjectCombustionen_UK
dc.subjectThermogravimetric analysisen_UK
dc.subjectKineticsen_UK
dc.subjectHuman faecesen_UK
dc.subjectNano membrane toileten_UK
dc.titleNon-isothermal thermogravimetric kinetic analysis of the thermochemical conversion of human faecesen_UK
dc.typeArticleen_UK

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