Synthetic mechanisms of K2−x Mn8O16 nanorods for removal of acetaldehyde

Volatile organic compounds (VOCs) severely threaten the ecological environment and human health even at low concentration because most of them are toxic, mutagenic and carcinogenic. In this study, a hydrothermal synthetic manganese-based compound, namely cryptomelane manganese oxide (K2−x Mn8O16) na...

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Bibliographic Details
Published in:Micro & nano letters 2019-08, Vol.14 (9), p.995
Main Authors: Chen, Ying, Shi, Jianling, Liang, Yuning
Format: Article
Language:English
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Summary:Volatile organic compounds (VOCs) severely threaten the ecological environment and human health even at low concentration because most of them are toxic, mutagenic and carcinogenic. In this study, a hydrothermal synthetic manganese-based compound, namely cryptomelane manganese oxide (K2−x Mn8O16) nanorod aerogels and a redox product of K2S2O8 and MnSO4, is chosen as an adsorbent for acetaldehyde removal. Insights were gained into the functions of potassium sulphate (K2SO4) and the mechanisms of generating nanorods in the solution phase. The structures, morphologies, specific area and pore size distribution of composites were characterised by N2 adsorption–desorption isotherms, scanning electron microscopy, and X-ray diffraction, and the results showed that VOCs removal by adsorption onto K2−x Mn8O16 nanorod aerogels could be used as a potential method for eliminating VOCs in terms of efficiency.
ISSN:1750-0443
DOI:10.1049/mnl.2019.0169