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Manganese dioxide-coated biocarbon for integrated adsorption-photocatalytic degradation of formaldehyde in indoor conditions [Elektronski vir]Zouari, Mariem ...Formaldehyde is a common indoor air pollutant with hazardous effects on human health. This study investigated the efficiency of biocarbon (BC) functionalized with variable contents of MnO2 for ... formaldehyde removal in ambient conditions via integrated adsorption-photocatalytic degradation technology. The sample with the highest formaldehyde removal potential was used to prepare a functional coating made of acrylic binder mixed with 20 wt% of the particles and applied on beech (Fagus sylvatica L) substrate. SEM images showed that MnO2 was deposited around and inside the pores of the BC. EDX spectra indicated the presence of Mn peaks and increased content of oxygen in the doped BC compared to pure BC, which indicated the successful formation of MnO2. Raman spectra revealed that the disorder in the BC's structure increased with increasing MnO2 loadings. FTIR spectra of BC–MnO2 samples displayed additional peaks compared to the BC spectrum, which were attributed to MnO vibrations. Moreover, the deposition of increased MnO2 loadings decreased the porosity of the BC due to pores blockage. The BC sample containing 8 % Mn exhibited the highest formaldehyde removal efficiency in 8 h, which was 91 %. A synergetic effect between BC and MnO2 was observed. The formaldehyde removal efficiency and capacity of the coating reached 43 % and 6.1 mg/m2, respectively, suggesting that the developed coating can be potentially used to improve air quality in the built environment.Source: Heliyon [Elektronski vir]. - ISSN 2405-8440 (Vol. 10, iss. 9, art. E29993, 2024, str. 1-14)Type of material - e-article ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 196875523
Author
Zouari, Mariem |
Hribernik, Silvo |
Marrot, Laetitia Sarah Jennifer |
Tzolov, Marian |
DeVallance, David Brian
Topics
biocarbon |
manganese dioxide |
catalytic degradation |
functional coating |
built environment |
bioogljik |
manganov dioksid |
katalitska razgradnja |
funkcionalni premaz |
grajeno okolje
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Zouari, Mariem | 55495 |
Hribernik, Silvo | 27558 |
Marrot, Laetitia Sarah Jennifer | 52330 |
Tzolov, Marian | ![]() |
DeVallance, David Brian | 51449 |
Source: Personal bibliographies
and: SICRIS
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