| 摘要 |
PROBLEM TO BE SOLVED: To enhance the reaction efficiency of ozone while extending the life of a catalyst, in a wastewater treatment apparatus bringing ozone-containing gas into contact with wastewater in the presence of the catalyst to catalytically oxidize and decompose impurities in wastewater. SOLUTION: In the wastewater treatment apparatus bringing the ozone- containing gas into contact with wastewater in a catalyst filled part to catalytically oxidize and decompose impurities in wastewater, a net with a mesh size of 50-500μm is provided to the bottom part of the catalyst filled part.
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