Application of Vacuum Ultraviolet in Small Scale Water Purifiers
185 nm VUV is an advanced oxidation technology with strong oxidation capacity,which can effectively decompose trace organic matter in water.This paper conducted experimental research on the removal of trace organic substances in water using the oxidizing capability of 185 nm VUV emitted by low-pressure mercury lamps.By designing a single-lamp water purifier and a four-lamp parallel enhanced water purifier,this paper demonstrated the potential of 185 nm VUV in removing contaminants such as antibiotics.The experimental results showed that the use of the large quartz sleeves significantly improved the effectiveness of the water purifier.Additionally,this paper investigated the influence of flow rates,antibiotic concentrations,and the number of VUV lamps on the removal efficiency of the water purifier,as well as the relationship among flow rate variation,mixing disturbance,and removal rate.Finally,the disinfection efficacy of the enhanced water purifier was verified through disinfection experiments.This study provides an efficient solution for household water purification and contributes to the empirical and exploratory application of VUV technology in the field of water treatment.
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