Paper Title:
Mangnese Dioxide Nano-Crystal as Catalyst to Remove Formaldehyde
  Abstract

The purification technology and material of indoor formaldehyde is a hot spot in the field of material at present. In this paper, MnSO4, KMnO4, NaOH and H2O2 etc. are used to make manganese dioxide nanocrystal with the method of liquid precipitation. X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscopy (TEM) were used to characterize the structure and properties. The results show that the products are nano-crystals of γ- MnO2 and δ-MnO2. The catalyze oxidation of formaldehyde using bothγ- MnO2 and δ-MnO2 as catalysts was investigated; and acetyl acetone method was used to characterize formaldehyde chroma. The catalytic ability ofγ-MnO2 nanocrystal to catalyze formaldehyde oxidation is better than that ofδ-MnO2.

  Info
Periodical
Edited by
Tianbiao Zhang and Jerry Tian
Pages
147-152
DOI
10.4028/www.scientific.net/AMR.298.147
Citation
W. Shao, X. J. Chu, K. Gao, H. Zhang, "Mangnese Dioxide Nano-Crystal as Catalyst to Remove Formaldehyde", Advanced Materials Research, Vol. 298, pp. 147-152, 2011
Online since
July 2011
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