The pH of test water with PCP was initially 4.5, and while the photocatalytic degradation of PCP took
place, the pH of the test water gradually increased up to 6.5. No
pH adjustment was made, since it was technically impossible to
harmonize the pH throughout all the treatments. As shown in
Fig. 2a–c, when only UV-A, UV-B, or solar light was applied,
The pH of test water with PCP was initially 4.5, and while the photocatalytic degradation of PCP tookplace, the pH of the test water gradually increased up to 6.5. NopH adjustment was made, since it was technically impossible toharmonize the pH throughout all the treatments. As shown inFig. 2a–c, when only UV-A, UV-B, or solar light was applied,
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