Torrefaction, temperature, and heating rate dependencies of pyrolysis of coffee grounds: Its performances, bio-oils, and emissions

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dc.authorid0000-0003-1099-4363en_US
dc.contributor.authorFu, Jiawei
dc.contributor.authorLiu, Jingyong
dc.contributor.authorXu, Weijie
dc.contributor.authorChen, Zhibin
dc.contributor.authorEvrendilek, Fatih
dc.contributor.authorSun, Shuiyu
dc.date.accessioned2023-05-29T08:59:19Z
dc.date.available2023-05-29T08:59:19Z
dc.date.issued2022en_US
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.descriptionThis research was financially supported by the National Natural Science Foundation of China (No. 51978175), the Scientific and Technological Planning Project of Guangzhou, China (No. 202103000004), and the Science and Technology Planning Project of Yunfu, Guangdong Province, China (No. 2020040401).en_US
dc.description.abstractThe torrefaction pretreatment is of great significance to the efficient conversion of biomass residues into bioenergy. In this study, the effects of the three torrefaction temperatures (200, 250, and 300 degrees C) on the pyrolysis performance and products of coffee grounds (CG) were quantified. The torrefaction treatment increased the initial devolatilization and maximum peak temperatures of the CG pyrolysis. Activation energy of CG250 was lower than that of CG and more conducive to the pyrolysis. Torrefaction altered the distributions of the pyrolytic products and promoted the generation of C=C. Torrefaction changed the composition ratio of the pyrolytic biooils although cyanoacetic acid and 2-butene still dominated the bio-oils. The joint optimization pointed to pyrolysis temperature > 600 degrees C and torrefaction temperature <= 270 degrees C as the optimal conditions. Our experimental results also verified that torrefaction of CG may be more suitable at 200 and 250 degrees C than 300 degrees C.en_US
dc.description.sponsorshipNational Natural Science Foundation of China [51978175]; Scientific and Technological Planning Project of Guangzhou, China [202103000004]; Science and Technology Planning Project of Yunfu, Guangdong Province, China [2020040401]en_US
dc.identifier.citationFu, J., Liu, J., Xu, W., Chen, Z., Evrendilek, F., & Sun, S. (2022). Torrefaction, temperature, and heating rate dependencies of pyrolysis of coffee grounds: Its performances, bio-oils, and emissions. Bioresource Technology, 345, 126346.en_US
dc.identifier.doi10.1016/j.biortech.2021.126346
dc.identifier.endpage12en_US
dc.identifier.issn0960-8524
dc.identifier.issn1873-2976
dc.identifier.pmid34856353en_US
dc.identifier.scopus2-s2.0-85120555094en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.biortech.2021.126346
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10987
dc.identifier.volume345en_US
dc.identifier.wosWOS:000732933200009en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorEvrendilek, Fatih
dc.language.isoenen_US
dc.publisherELSEVIER SCI LTDen_US
dc.relation.ispartofBioresource Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPyrolysisen_US
dc.subjectTorrefactionen_US
dc.subjectSecond-Generation Biofuelsen_US
dc.subjectTg-Ftiren_US
dc.subjectKinetic Analysesen_US
dc.subjectWaste Biomassen_US
dc.titleTorrefaction, temperature, and heating rate dependencies of pyrolysis of coffee grounds: Its performances, bio-oils, and emissionsen_US
dc.typeArticleen_US

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