Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11431
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dc.contributor.authorLi, Ting Yan-
dc.contributor.authorXiang, Huan-
dc.contributor.authorYang, Yang-
dc.contributor.authorWang, Jiawei-
dc.contributor.authorYıldız, Güray-
dc.date.accessioned2021-11-06T09:48:32Z-
dc.date.available2021-11-06T09:48:32Z-
dc.date.issued2021-
dc.identifier.issn0165-2370-
dc.identifier.issn1873-250X-
dc.identifier.urihttps://doi.org/10.1016/j.jaap.2021.105286-
dc.identifier.urihttps://hdl.handle.net/11147/11431-
dc.description.abstractChar produced from lignocellulosic biomass via slow pyrolysis have become one of the most feasible alternatives that can partially replace the utilisation of fossil fuels for energy production. In this study, the relationship between compositions of lignocellulosic biomass, operating conditions of slow pyrolysis, and characteristics of produced char have been analysed by using multiple nonlinear regression (MnLR) and artificial neural networks (ANN). Six input variables (temperature, solid residence time, production capacity, particle size, and fixed carbon and ash content) and five responses (char yield, and fixed carbon, volatile matter, ash content, HHV of produced char) were selected. A total of 57 literature references with 393-422 datasets were used to determine the correlation and coefficient of determination (R-2) between the input variables and responses. High correlation results (>0.5) existed between pyrolysis temperature and char yield (-0.502) and volatile matter of produced char (-0.619), ash content of feedstock and fixed carbon (-0.685), ash content (0.871) and HHV (-0.571) of produced char. Whilst the quadratic model was selected for the regression model, then the model was further optimised by eliminating any terms with p-values greater than 0.05. The optimised MnLR model results showed a reasonable prediction ability of char yield (R-2 = 0.5579), fixed carbon (R-2 = 0.7763), volatile matter (R-2 = 0.5709), ash (R-2 = 0.8613), and HHV (R-2 = 0.5728). ANN model optimisation was carried out as the results showed trainbr training algorithm, 10 neurons in the hidden layer, and tansig and purelin transfer function in hidden and output layers, respectively. The optimised ANN models had higher accuracy than MnLR models with the R-2 greater than 0.75, including 0.785 for char yield, 0.855 for fixed carbon, 0.752 for volatile matter, 0.951 for ash and 0.784 for HHV, respectively. The trained models can be used to predict and optimise the char production from slow pyrolysis of biomass without expensive experiments.en_US
dc.description.sponsorshipThe work was supported by an Institutional Links grant (No. 527641843) , under the Turkey partnership. The grant is funded by the UK Department for Business, Energy and Industrial Strategy together with the Scientific and Technological Research Council of Turkey (TuBITAK; Project no. 119N302) and delivered by the British Council.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal of Analytical and Applied Pyrolysisen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCharen_US
dc.subjectLignocellulosic biomassen_US
dc.subjectSlow pyrolysisen_US
dc.subjectArtificial neural networken_US
dc.subjectMultiple nonlinear regressionen_US
dc.titlePrediction of char production from slow pyrolysis of lignocellulosic biomass using multiple nonlinear regression and artificial neural networken_US
dc.typeArticleen_US
dc.authorid0000-0001-7399-0605-
dc.institutionauthorYıldız, Güray-
dc.departmentİzmir Institute of Technology. Energy Systems Engineeringen_US
dc.identifier.volume159en_US
dc.identifier.wosWOS:000697681700004en_US
dc.identifier.scopus2-s2.0-85113589251en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.jaap.2021.105286-
dc.authorwosidYildiz, Guray/AAC-4443-2020-
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
crisitem.author.dept03.06. Department of Energy Systems Engineering-
Appears in Collections:Energy Systems Engineering / Enerji Sistemleri Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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