Converting and valorizing heavy metal-laden post-harvest hyperaccumulator (Pteris vittate L.) into biofuel via acid-pretreated pyrolysis and gasification

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dc.authorid0000-0003-1099-4363en_US
dc.contributor.authorHuang, Shengzheng
dc.contributor.authorLiu, Jingyong
dc.contributor.authorChen, Siqi
dc.contributor.authorWang, Jin
dc.contributor.authorChen, Zhibin
dc.contributor.authorEvrendilek, Fatih
dc.date.accessioned2023-09-05T13:34:20Z
dc.date.available2023-09-05T13:34:20Z
dc.date.issued2023en_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), Guangdong Province Science and Technology Planning Project, China (No. 2022A0505050076), Open foundation of Key Laboratory of Radioactive and Rare Scattered Minerals, Ministry of Natural Resources (No. 2022-RRSM-01), the Scientific and Technological Planning Project of Guangzhou, China (No. 202103000004), and the Guangdong Basic and Applied Basic Research Foundation (No. 2022A1515010825) . We would like to thank Miss Chunxiao Yang at Analysis and Test Center of Guangdong University of Technology for assistance with TGA, FTIR, and TGA-IST-FTIR-GC/MS system analyses.en_US
dc.description.abstractNot only should post-harvest hyperaccumulators rich in heavy metals (HMs) be properly disposed to avoid secondary HMs pollution, but also they should be valorized to enhance circular economy. This study aimed to characterize how As-hyperaccumulator (Pteris vittate L.) (PV) pretreated with HCl or H3PO4 affected its physi-cochemical, HMs, decomposition, and volatile characteristics. The HCl-pretreated PV retained its original main components, physical properties, and chemical structures but introduced Cl to carbon chain, induced O loss, increased C content, and removed most minerals, in particular, alkali/alkaline earth metals. The favorable py-rolysis and gasification behaviors of PV were maintained via the HCl-pretreated PV, with the raised and nar-rowed temperature range of mass loss but with the increased energy demand for the decomposition. Compared with PV (276.74 kJ/mol), 5% HCl-pretreated PV reduced activation energy of its pyrolysis (260.62 kJ/mol). The H3PO4 pretreatment destroyed carbon chain, loaded phosphorus oxygen group, and removed more organics and minerals in PV than did the HCl-pretreated PV. This in turn allowed for an earlier start and finish of devolati-lization stage, an easier breaking of potential energy barrier, and improvement of reaction favorability. Unlike the two atmospheres, the acid pretreatments changed the temperature dependency of volatile products during the main reaction-temperature range. The volatile products which released from the pyrolysis and gasification at the temperature of maximum mass loss peak or 350 degrees C were collected. HCl-pretreated PV reduced the formation of ring-opening products, while H3PO4-pretreated PV emitted more aromatic compounds and selectively generated ketone, such as levoglucanone. More HMs were dissolved with the increased acid concentration, with HMs in HCl-pretreated PV being at a higher leaching concentration than those in the other treatments. H3PO4- pretreated PV retained As, Cd, and Pb at a low leachable rate. The best joint optimization was achieved with the combined settings of 5% HCl-pretreated PV or 10% H3PO4-pretreated PV at 10 degrees C/min in the N2 atmosphere. Overall, findings provide new insights into how to best manage and valorize post-harvest and HM-laden hyperaccumulators.en_US
dc.description.sponsorshipNational Natural Science Foundation of China [51978175]; Guangdong Province Science and Technology Planning Project, China [2022A0505050076]; Open foundation of Key Laboratory of Radioactive and Rare Scattered Minerals; Ministry of Natural Resources [2022-RRSM-01]; Scientific and Technological Planning Project of Guangzhou, China [202103000004]; Guangdong Basic and Applied Basic Research Foundation [2022A1515010825]en_US
dc.identifier.citationHuang, S., Liu, J., Chen, S., Wang, J., Chen, Z., Evrendilek, F., ... & Sun, S. (2023). Converting and valorizing heavy metal-laden post-harvest hyperaccumulator (Pteris vittate L.) into biofuel via acid-pretreated pyrolysis and gasification. Chemical Engineering Journal, 468, 143490.en_US
dc.identifier.doi10.1016/j.cej.2023.143490
dc.identifier.endpage28en_US
dc.identifier.issn1385-8947
dc.identifier.issn1873-3212
dc.identifier.scopus2-s2.0-85160548222en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.cej.2023.143490
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11663
dc.identifier.volume468en_US
dc.identifier.wosWOS:001013370000001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorEvrendilek, Fatih
dc.language.isoenen_US
dc.publisherElsevier Science SAen_US
dc.relation.ispartofChemical Engineering Journalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHyperaccumulatoren_US
dc.subjectAcid Pretreatmenten_US
dc.subjectPyrolysis and Gasificationen_US
dc.subjectThermodynamic Analysisen_US
dc.subjectThermal-Degradationen_US
dc.subjectCattle Manureen_US
dc.titleConverting and valorizing heavy metal-laden post-harvest hyperaccumulator (Pteris vittate L.) into biofuel via acid-pretreated pyrolysis and gasificationen_US
dc.typeArticleen_US

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