Fig. 1. Effect of initial concentration on the degradation of pyridine by EB: (a) C/C₀; (b) mineralization efficiency

Fig. 2. Effect of pH on degradation of pyridine by EB: (a) C/C₀; (b) mineralization efficiency

Fig. 3. Effects of different concentrations of synergistic reagents on the degradation of pyridine: (a) H₂O₂; (b) PMS

Fig. 4. Effects of ozone oxidation on pyridine degradation: (a) dosage; (b) inlet concentration

Fig. 5. Effect of different concentrations of H₂O₂ on the degradation of pyridine irradiation: (a) C/C₀; (b) mineralization efficiency

Fig. 6. Effect of different concentrations of PMS on the degradation of pyridine by irradiation: (a) C/C₀; (b) mineralization efficiency

Fig. 7. Effect of ozone on irradiation degradation of pyridine

Fig. 8. Pyridine degradation radical burst experiment

Fig. 9. Irradiation degradation pathway of pyridine

Fig. 10. Effects of ionizing irradiation and its coupled process in treating pyridine in coal chemical wastewater

Fig. 11. Effects of ionizing irradiation and its coupled process in treating pollutants in coal chemical wastewater: (a) COD; (b) NH₃-N; (C)TN