Volume 12 Issue 1
Jan.  2022
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Article Navigation >  Journal of Environmental Engineering Technology  > 2022  >  12(1): 15-21
YANG C,LIN Z Y,WU J P,et al.An empirical study of ozone generation by ultraviolet photolysis and high-voltage static electricity in cooking oil fume purification technology[J].Journal of Environmental Engineering Technology，2022，12（1）：15-21 doi: 10.12153/j.issn.1674-991X.20210136
Citation: YANG C,LIN Z Y,WU J P,et al.An empirical study of ozone generation by ultraviolet photolysis and high-voltage static electricity in cooking oil fume purification technology[J].Journal of Environmental Engineering Technology，2022，12（1）：15-21 doi: 10.12153/j.issn.1674-991X.20210136
shu

An empirical study of ozone generation by ultraviolet photolysis and high-voltage static electricity in cooking oil fume purification technology

doi: 10.12153/j.issn.1674-991X.20210136

  • Shanghai Academy of Environmental Science

  • Received Date: 2021-04-16
    Abstract
  • The development of the catering industry continues to maintain a steady growth trend, while a series of oil fume pollution problems such as the contradiction between business and residents, odor complaints are increasingly prominent. At present, there are various types of purification facilities available for catering enterprises in the treatment of cooking oil fumes. The composite products of ultraviolet (UV) photolytic and high-voltage static electricity occupy a dominant position in oil fume purification market. However, UV photolytic and high-voltage static electricity may produce secondary pollution of ozone while purifying oil fumes. In this study, the ozone concentration under different operating combinations of UV photolysis and high-voltage static electricity was measured and analyzed in a certain practical application scenario. The results showed that both UV photolysis and high-voltage static electricity would produce ozone when used alone; under the same standard design of air volume, the ozone concentration produced by UV photolysis was 96% higher than that of high-voltage static electricity. The more the UV lamps with the same parameters used, the higher the ozone concentration produced. The ozone concentration had a certain correlation with cooking conditions.

     

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