Beneficial effect of cerium excess on in situ grown Sr0.86Ce0.14FeO3–CeO2 thermocatalysts for the degradation of bisphenol A

Østergaard, Martin Bonderup; Deganello, Francesca; Parola, Valeria La; Liotta, Leonarda Francesca; Boffa, Vittorio; Jørgensen, Mads Koustrup

doi:10.1039/d3ra03404f

RSC Adv.

2023

DOI: 10.1039/d3ra03404f

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Beneficial effect of cerium excess on in situ grown Sr_0.86Ce_0.14FeO₃–CeO₂ thermocatalysts for the degradation of bisphenol A

Martin Bonderup Østergaard

Francesca Deganello

Valeria La Parola

et al.

Abstract: In situ grown perovskite and ceria biphasic system causes a structural distortion of the perovskite from cubic to tetragonal thus increasing oxygen availability and promoting the thermocatalytic activity in degradation of bisphenol A.

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Cited by 5 publications

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A Thermocatalytic Ceramic Membrane by Perovskite Incorporation in the Alumina Framework

Østergaard,

Veis,

Deganello

et al. 2023

Adv Materials Inter

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Access to clean water is limited by the increasing amount of persistent organic pollutants (POPs), since current methods fail to remove POPs completely. Therefore, new treatment technologies of surface water and wastewater are needed. In this study, two treatment methods are combined in one step, i.e., membrane filtration and thermocatalytic chemical oxidation of POPs. A perovskite‐type catalyst with formula Sr0.85Ce0.15FeO3‐δ (SCF) is incorporated into an alumina membrane using a simple two‐step heat treatment to minimize any chemical reaction of the catalytic active perovskite with alumina. First, a sintering process under inert atmosphere, then, a heat‐treatment under oxidative conditions to oxidize the iron species in the perovskite structure. The well‐known thermocatalytic properties of SCF make the membrane thermocatalytic and thus able to degrade pollutants under dark conditions without addition of oxidants. The SCF content in the membrane is varied between 0 and 15 wt% to explore the change in membrane properties. Results demonstrate that the thermocatalytic membranes have great potential for continuous membrane filtration and simultaneous degradation of POPs. When considering methyl orange, up to 100% removal is obtained at room temperature, whereas up to 93% of bisphenol A is removed at temperatures approaching 60 °C.

show abstract

A Thermocatalytic Ceramic Membrane by Perovskite Incorporation in the Alumina Framework

Østergaard,

Veis,

Deganello

et al. 2023

Adv Materials Inter

Self Cite

View full text Add to dashboard Cite

show abstract

Recent development in advanced photocatalytic materials for oxidative removal of bisphenol

Maitlo,

Hu,

Ali

et al. 2024

Journal of Cleaner Production

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Solar photothermo-catalytic conversion of CO2 on phyllosilicates modified with Ni and CeO2

Dativo,

La Greca,

Liotta

et al. 2024

Journal of CO2 Utilization

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Beneficial effect of cerium excess on in situ grown Sr_0.86Ce_0.14FeO₃–CeO₂ thermocatalysts for the degradation of bisphenol A

Abstract: In situ grown perovskite and ceria biphasic system causes a structural distortion of the perovskite from cubic to tetragonal thus increasing oxygen availability and promoting the thermocatalytic activity in degradation of bisphenol A.

Cited by 5 publications

References 56 publications

A Thermocatalytic Ceramic Membrane by Perovskite Incorporation in the Alumina Framework

A Thermocatalytic Ceramic Membrane by Perovskite Incorporation in the Alumina Framework

Recent development in advanced photocatalytic materials for oxidative removal of bisphenol

Solar photothermo-catalytic conversion of CO2 on phyllosilicates modified with Ni and CeO2

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