Comparison of the Efficiency of Ultraviolet/Zinc Oxide (UV/ZnO) and Ozone/Zinc Oxide (O₃/ZnO) Techniques as Advanced Oxidation Processes in the Removal of Trimethoprim from Aqueous Solutions

Table 2

TOC and ion measurements for degradation of trimethoprim using UV/ZnO process.

Time (min)	0	90	180
TOC	4.20	0.84	0.47
concentration (mg/L)	0.79	6.7	16.4
concentration (mg/L)	0.04	1.3	3.29