TABLE 2.

Physical and chemical methods for diazinon degradation.

Processing methods	Reaction conditions	Comments	References
Fe-TiO2/Bent-Fe photocatalysis	0.5 g/L of catalyst Visible light (36-W compact bulb) pH = 5.6	58.3% of diazinon (25 mg/L) was degraded within 6 h	Phuong et al., 2019
WO3 photocatalysis	0.5 g/L of catalyst UV light (125- W medium-pressure UVC lamp) pH = 3	99.88% of diazinon (20 mg/L) was degraded within 2 h	Mohagheghian et al., 2016
Fe-TiO2 photocatalysis	0.1 g/L of catalyst UV light (125-W medium-pressure UVC lamp) pH = 7	98.53% of diazinon (50 mg/L) was degraded within 2 h	Dehghani et al., 2019
MgO photocatalysis	0.1 g/L of catalyst UV light (5 lamps) pH = 7	99.46% of diazinon (5 mg/L) was degraded within 2 h	Ahmadifard et al., 2019
Iron doped TiO2 photocatalysis	0.4 g/L of catalyst UV light (15-W low pressure UV lamp) pH = 5.5	76% of diazinon (30 mg/L) was degraded within 100 min	Tabasideh et al., 2017
Cu-doped ZnO nanorods	0.2 g/L of catalyst Gasoxygen gas = 2 L/min pH = 7	96.97% of diazinon (50 mg/L) was degraded within 2 h	Shirzad-Siboni et al., 2017
WO3 nanostructures	WO3 nanostructures: sulfuric acid (H2SO4) 1.5M, nitric acid (HNO3) 1.5M, methanesulfonic acid (CH4O3S) 1.5M UV light (500W xenon lamp)	90% of diazinon (20 mg/L) was degraded within 24 h	Roselló-Márquez et al., 2021
WO3-doped ZnO photocatalysis	10 mg/cm2 of catalyst UV light (6-W low pressure lamp) pH = 7	89% of diazinon (20 mg/L) was degraded within 2 h	Maleki et al., 2020
WO3-doped ZnO photocatalysis	10 mg/cm2 of catalyst Sunlight pH = 7	83% of diazinon (20 mg/L) was degraded within 2 h	Maleki et al., 2020
Chemically modified phosphoric acid adsorption	5.0 g/L of adsorbent pH = 7	98.96% of diazinon (1.0 mg/L) was degraded within 2 h	Baharum et al., 2020
Adsorption of multi-walled carbon nanotubes	0.1 g/L of adsorbent pH = 4	99.1% of diazinon (0.3 mg/L) was degraded within 15 min	Dehghani et al., 2019