Dynamic, synergistic, and optimal emissions and kinetics of volatiles during co-pyrolysis of soil remediation plants with kaolin/modified kaolin

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dc.contributor.authorChen, Zhibin
dc.contributor.authorLi, Weijie
dc.contributor.authorHuang, Shengzheng
dc.contributor.authorZhuang, Ping
dc.contributor.authorJia, Dajie
dc.contributor.authorEvrendilek, Fatih
dc.contributor.authorZhong, Sheng
dc.date.accessioned2024-09-25T20:00:00Z
dc.date.available2024-09-25T20:00:00Z
dc.date.issued2024
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümü en_US
dc.description.abstractThe post-harvest disposal of soil remediation plants (SRPs) needs to be eco-friendly for remediation techniques to be sustainable. Incorporating Al/Si-based materials as additives may prove to be an effective method for stabilizing heavy metals during the pyrolysis of Zn/Cd-enriched SRPs. Based on the coupling of thermogravimetry - Fourier-transform infrared spectrometry - mass spectrometry - two-dimensional correlation spectrum analyses (TG-FTIR-MS-2D-COS) and Gaussian modeling, this study aimed to quantify and unveil dynamic, synergistic, and optimal emissions and kinetics of volatile components in response to the co-pyrolysis of Pfaffia glomerata (PG) with kaolin (K) or modified kaolin (KH). The kinetic mechanism of the thermal decomposition stage of volatile components was best accounted for by the diffusion model (100-315 degrees C) and reaction order model (315-600 degrees C).The Al-OH group in K enhanced the evolution and emission of CO2, H2O, and CH4. PG mixed with 10 % K (PK91) reduced the average activation energy value of PG from 217.90 to 196.44 kJ/mol. Compared with K, KH demonstrated superior thermal stability and controlled the cleavage of carbonyl, ether, carboxyl, and methyl groups, thus reducing gaseous pollution. Specifically, PG mixed with 20 % KH (PKH82) minimized the mass loss of PG biochar by 112.81 %, while PG mixed with 10 % KH (PKH91) reduced the E-a value of PG to 155.91 kJ/mol. The sequential temperature dependency of volatiles in PG, identified through two-dimensional correlation spectroscopy, was altered by both K and KH. Given artificial neural network-based simulations, the simultaneously optimized reduction in total volatile emission and fuel mass was achieved with PKH91 but diminished with the rising temperature. These insights contribute to optimizing energy and controlling air pollution during the co-pyrolysis of SRPs with Al/Si-based materials.en_US
dc.description.sponsorshipGuangdong Province Science and Technology Planning Project, China [2022A0505050076]; Guangdong Basic and Applied Basic Research Foundation [2022A1515010825]; Scientific and Technological Planning Project of Guangzhou, China [202103000004]en_US
dc.description.sponsorshipThis research was financially supported by Guangdong Province Science and Technology Planning Project, China (No. 2022A0505050076) , the Guangdong Basic and Applied Basic Research Foundation (No. 2022A1515010825) and the Scientific and Technological Planning Project of Guangzhou, China (No. 202103000004) . We would like to thank Miss. Yang at Analysis and Test Center of Guangdong University of Technology for her assistance with TG-FTIR analysis. We also thank Shi yanjia Lab ( www.shiyanjia.com ) for the support of Py- GC/MS test.en_US
dc.identifier.doi10.1016/j.cej.2024.149214
dc.identifier.issn1385-8947
dc.identifier.issn1873-3212
dc.identifier.scopus2-s2.0-85183953494en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.cej.2024.149214
dc.identifier.urihttps://hdl.handle.net/20.500.12491/14037
dc.identifier.volume483en_US
dc.identifier.wosWOS:001176149800001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorNinomiya, Yoshihiko
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.snmzYK_20240925en_US
dc.subjectSoil Remediation Plantsen_US
dc.subjectKaolin Modificationen_US
dc.subjectKinetic Modelsen_US
dc.subjectDynamic Gas Evolutionen_US
dc.subjectSequential Temperature Dependencyen_US
dc.subjectPyrolysis of Zn/Cd-Enriched SRPs
dc.titleDynamic, synergistic, and optimal emissions and kinetics of volatiles during co-pyrolysis of soil remediation plants with kaolin/modified kaolinen_US
dc.typeArticleen_US

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