Open AccessExperimental Study on the Removal of Formaldehyde by Plasma-Catalyst
Author(s) -
Junfa Yuan,
Pei Xu,
Hua Wang,
Weiwei Zhang,
Jiecai Zhou,
Anxing Lai,
Lei Wang
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/435/1/012004
Subject(s) - corona discharge , ozone , formaldehyde , pollutant , degradation (telecommunications) , catalysis , plasma , adsorption , corona (planetary geology) , chemical engineering , nonthermal plasma , materials science , pollution , environmental science , chemistry , environmental chemistry , waste management , electrode , electrical engineering , engineering , organic chemistry , physics , ecology , quantum mechanics , astrobiology , venus , biology
In this paper, a new type of indoor air purification device was designed. Corona discharge combined with catalysis and physical adsorption was used in this device. Formaldehyde (PA), a typical indoor air pollutant, was chosen as the model pollutant. The effects of MnO 2 in degradation of PA by electrical discharge were discussed. The results showed that corona discharge can effectively remove PA, and the addition of MnO 2 can not only accelerate the degradation rate, but also solve the problem of excessive ozone (O 3 ). Besides, the corona discharge plasma also has the function of in-situ cleaning for MnO 2 . The new reactor has the characteristics of high efficiency, energy-saving, without secondary pollution.