TOC Removal of 2,4,5-Trichlorophenol Synthetic Wastewater with H_2O_2/UV in a Batch Reactor

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2,4,5-Trichlorophenol (2,4,5-TCP) is one of the most toxic chlorophenols (CPs) and is very difficult to be biodegraded. The establishment of an appropriate treatment which is friendly to the earth environment for 2,4,5-TCP is an urgent matter to be solved. Total organic carbon (TOC) removal of the synthetic wastewater which contains 2,4,5-TCP at TOC of 405 g/m3 has been carried out by using hydrogen peroxide and ultraviolet irradiation (H2O2/UV). Experiments were carried out in a batch reactor with a low pressure UV lamp (500 W) irradiating ultraviolet at 254 nm and at 185 nm (5%). The chemical compounds included in the synthetic wastewater have been completely removed in the presence of hydrogen peroxide. It was found that the optimum concentration of hydrogen peroxide, which was added initially, exists.
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