Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/159658
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dc.contributor.authorJia, Jingboen_US
dc.contributor.authorVeksha, Andreien_US
dc.contributor.authorLim, Teik-Thyeen_US
dc.contributor.authorLisak, Grzegorzen_US
dc.date.accessioned2022-06-28T08:11:25Z-
dc.date.available2022-06-28T08:11:25Z-
dc.date.issued2022-
dc.identifier.citationJia, J., Veksha, A., Lim, T. & Lisak, G. (2022). Temperature-dependent synthesis of multi-walled carbon nanotubes and hydrogen from plastic waste over A-site-deficient perovskite La₀.₈Ni₁-ₓCoₓO₃-δ. Chemosphere, 291 Pt 2, 132831-. https://dx.doi.org/10.1016/j.chemosphere.2021.132831en_US
dc.identifier.issn0045-6535en_US
dc.identifier.urihttps://hdl.handle.net/10356/159658-
dc.description.abstractThermochemical conversion of plastic wastes into carbon nanotubes (CNTs) and hydrogen is a promising management option to eliminate their hazardous effect. The yields and morphologies of CNTs strongly depend on the catalyst design and reaction conditions. To boost the efficiency, tuning of bimetallic nanoparticles as catalyst is an effective approach. For that reason, A-site-deficient perovskite La0·8Ni1-xCoxO3-δ (LN1-xCx, x = 0.15, 0.5, 0.85) was developed and used as a catalyst precursor to achieve in situ formation of bimetallic Ni-Co nanoparticles. At an optimized Ni-to-Co ratio, the LN0.5C0.5 exhibited the highest yields of multi-walled CNTs, namely 840 and 853 mg/gcatalyst from high density polyethylene and polypropylene, respectively. This could be attributed to the higher catalytic capability of LN0.5C0.5 catalyst for the decomposition of hydrocarbons into hydrogen and carbon. In both cases, multi-walled CNTs had regular shapes when the reaction temperature was 700 °C. At higher reaction temperatures, the morphological changes of carbon products were observed from multi-walled CNTs to carbon nano-onions. The Raman spectra showed that compared with the commercial multi-walled CNTs, the as-prepared multi-walled CNTs had a lower degree of defects.en_US
dc.language.isoenen_US
dc.relation.ispartofChemosphereen_US
dc.rights© 2021 Elsevier Ltd. All rights reserved.en_US
dc.subjectEngineering::Environmental engineeringen_US
dc.titleTemperature-dependent synthesis of multi-walled carbon nanotubes and hydrogen from plastic waste over A-site-deficient perovskite La₀.₈Ni₁-ₓCoₓO₃-δen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.contributor.researchNanyang Environment and Water Research Instituteen_US
dc.contributor.researchResidues and Resource Reclamation Centreen_US
dc.identifier.doi10.1016/j.chemosphere.2021.132831-
dc.identifier.pmid34767850-
dc.identifier.scopus2-s2.0-85118747063-
dc.identifier.volume291 Pt 2en_US
dc.identifier.spage132831en_US
dc.subject.keywordsPlastics Upcyclingen_US
dc.subject.keywordsMulti-Walled Carbon Nanotubesen_US
dc.description.acknowledgementThis work was supported by the Beijing Natural Science Foundation (8204065); the National Natural Science Foundation of China (No. 21908128); the Fundamental Research Funds for the Central Universities (JD2117).en_US
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item.grantfulltextnone-
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