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- W4308793205 endingPage "122621" @default.
- W4308793205 startingPage "122621" @default.
- W4308793205 abstract "• Hollow spherical-shell NiO was prepared by a ligand modulation MOFs-derived method. • Hollow NiO improved benzene conversion and CO 2 selectivity, reducing energy consumption significantly. • Abundant surface O species of NiO are activated by plasma and thus induce superior catalytic ability. • Synergistic effect was clarified as NiO enhancing plasma field while plasma inspiring NiO oxidation ability. While catalyst morphology plays an essential role in traditional thermal catalysis, the specific effects in plasma catalysis deserve further in-depth study. In the present study, hollow NiO nanospheres with a rambutan-like structure were successfully prepared by MOFs-derived method involving morphology modulation, and employed for the in-plasma catalytic oxidation of benzene. The results show an enhancement of 60% for benzene removal, while CO 2 selectivity was increased by 20%. The energy consumption for 95% benzene removal efficiency (RE 95% ) was also reduced from 3600 J/L to 1100 J/L. Specifically, the hollow spherical shell structure is more abundant in surface oxygen species, including chemisorbed oxygen and surface lattice oxygen, which can be activated by plasma; the hollow structure also modulates the plasma discharge by shielding effect. The plasma field in turn also excites the oxidation activity of NiO, thus achieving the synergistic effect. In addition, a more comprehensive benzene decomposition pathway is proposed by analysis of the gaseous and non-gaseous intermediates (tar), where the plasma non-selectively breaks the chemical bonds of reactants and the catalyst selectively oxidizes the organic intermediates to CO 2 , and they promote each other to achieve synergistic effects." @default.
- W4308793205 created "2022-11-15" @default.
- W4308793205 creator A5009097237 @default.
- W4308793205 creator A5013763694 @default.
- W4308793205 creator A5015199487 @default.
- W4308793205 creator A5037004693 @default.
- W4308793205 creator A5065544396 @default.
- W4308793205 creator A5077559483 @default.
- W4308793205 date "2023-02-01" @default.
- W4308793205 modified "2023-09-29" @default.
- W4308793205 title "Morphology-modulated rambutan-like hollow NiO catalyst for plasma-coupled benzene removal: Enriched O species and synergistic effects" @default.
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- W4308793205 doi "https://doi.org/10.1016/j.seppur.2022.122621" @default.
- W4308793205 hasPublicationYear "2023" @default.