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Effect of A-site element on the performance of three-dimensionally ordered macroporous manganese-based perovskite catalyst

dc.contributor.authorXin Liu
dc.contributor.authorYongqiang Wang
dc.contributor.authorMeng Zang
dc.contributor.authorLin Shi
dc.contributor.authorHuiying Zhang
dc.contributor.authorChaocheng Zhao
dc.contributor.otherCollege of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
dc.contributor.otherCollege of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China; State Key Laboratory of Petroleum Pollution Control, China University of Petroleum (East China), Qingdao 266580, PR China; Corresponding author at: College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
dc.contributor.otherCollege of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
dc.contributor.otherCollege of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
dc.contributor.otherCollege of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
dc.contributor.otherCollege of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China; State Key Laboratory of Petroleum Pollution Control, China University of Petroleum (East China), Qingdao 266580, PR China
dc.date.accessioned2020-05-01T05:10:41Z
dc.date.available2025-10-02T03:57:33Z
dc.date.issued01-05-2020
dc.identifier.issn-
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S1319610320300314
dc.description.abstractThree-dimensionally ordered macroporous manganese-based perovskite catalyst (3DOM AMnO3, A = Ce, La, Ni) were synthesized by PMMA hard-templating and impregnation method. Physicochemical properties of the samples were characterized by means of various techniques including XRD, BET, SEM, TEM, XPS and H2-TPR, and their catalytic activities were evaluated by toluene combustion. It was found that the 3DOM AMnO3 in each of the samples was perovskite in crystal structure, and only the samples possessed a good quality 3DOM architecture with a surface area of 48.8 m2/g. Due to the highest adsorbed oxygen species concentration (Oads/Olatt = 2.330), the best low-temperature reducibility (The low-temperature reduction peaks of 3DOM CeMnO3 catalysts occur at 425 °C) and the strong interaction between CeO2 and MnOx formed during calcination. The 3DOM CeMnO3 sample showed lower apparent activation energy (34.51 kJ·mol−1, SV = 15,000 h−1) and the best catalytic activity for toluene combustion, with the reaction temperatures (T50%, and T90%) required for achieving toluene conversions of 50%, and 90% being 100 °C, 172 °C at SV = 15,000 h−1, respectively. Keywords: 3DOM, Manganese-based, Perovskite catalyst, A-site element, Catalytic combustion
dc.format-
dc.language.isoEN
dc.publisherElsevier
dc.relation.uri['https://journals.uio.no/index.php/viking', 'https://journals.uio.no/viking/about', 'https://journals.uio.no/index.php/viking/about/submissions#authorGuidelines']
dc.rightsCC BY-NC-ND
dc.subject['archaeology', 'prehistory', 'historical archaeology', 'heritage management', 'cultural history', 'Archaeology', 'CC1-960']
dc.subject.lccChemistry
dc.titleEffect of A-site element on the performance of three-dimensionally ordered macroporous manganese-based perovskite catalyst
dc.typeArticle
dc.description.pages417-424
dc.description.doi10.1016/j.jscs.2020.03.005
dc.title.journalJournal of Saudi Chemical Society
dc.identifier.e-issn-
dc.identifier.oaioai:doaj.org/journal:10229b174b464842a18a14ef8453e5ee
dc.journal.infoVolume 24, Issue 5


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