Show simple item record

dc.contributor.authorMiao, J.
dc.contributor.authorSunarso, J.
dc.contributor.authorDuan, Xiaoguang
dc.contributor.authorZhou, W.
dc.contributor.authorWang, Shaobin
dc.contributor.authorShao, Zongping
dc.identifier.citationMiao, J. and Sunarso, J. and Duan, X. and Zhou, W. and Wang, S. and Shao, Z. 2018. Nanostructured Co-Mn containing perovskites for degradation of pollutants: Insight into the activity and stability. Journal of Hazardous Materials. 349: pp. 177-185.

© 2018 Elsevier B.V. The efficient oxidative removal of persistent organic components in wastewater relies on low-cost heterogeneous catalysts that offer high catalytic activity, stability, and recyclability. Here, we designed a series of nanostructured Co-Mn containing perovskite catalysts, LaCo 1-x Mn x O 3+d (LCM, x = 0, 0.3, 0.5, 0.7, and 1.0), with over-stoichiometric oxygen (d > 0) to show superior catalytic activity for the degradation of a variety of persistent aqueous organic pollutants by activating peroxymonosulfate (PMS). The nature of LCM for catalysis was comprehensively investigated. A “volcano-shaped” correlation was observed between the catalytic activity and electron filling (e g ) of Co in LCM. Among these compounds, LaCo 0.5 Mn 0.5 O 3+d (LCM55) exhibited an excellent activity with e g = 1.27. The high interstitial oxygen ion diffusion rate (D O 2- = 1.58 ± 0.01 × 10 -13 cm 2 s -1 ) of LCM55 also contributes to its catalytic activity. The enhanced stability of LCM55 can be ascribed to its stronger relative acidity (3.22). Moreover, an increased solution pH (pH = 7) generated a faster organic degradation rate and a decrease in metal leaching (0.004 mM) for LCM55 perovskite, justifying it as a potential material for environmental remediation.

dc.publisherElsevier BV
dc.titleNanostructured Co-Mn containing perovskites for degradation of pollutants: Insight into the activity and stability
dc.typeJournal Article
dcterms.source.titleJournal of Hazardous Materials
curtin.departmentWASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
curtin.accessStatusFulltext not available

Files in this item


There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record