TREATMENT OF ORGANIC MATERIAL-CONTAINING WATER

摘要

PURPOSE:To effectively treat org. materials by economically controlling the amt. of the oxidizing agent to be incorporated into the water to be treated at the time of adding the oxidizing agent under the irradiation of UV rays into the org. material-contg. water to oxidize and decompose the org. materials contained in the water to be treated. CONSTITUTION:The oxidizing agent such as H2O2 is added under the irradiation of the UV rays into the org. material-contg. water to oxidize and decompose the org. materials contained in the water to be treated. The amt. of the oxidizing agent to be added to the water to be treated is economically controlled within the range of 1-5 times the equiv. of the amt. of the oxidizing agent to be incorporated into said water relative to the TOC value in the total water to be treated. As a result, the org. materials in the org. material-contg. water are effectively treated. This method is widely applicable to the treatment of the waste water used for producing semiconductors and the reclamation and use of ultra-pure water.