Journal of Chemistry

Research Article

Synthesis and Characterization of Parthenium hysterophorus-Mediated ZnO Nanoparticles for Methylene Blue Dye Degradation

Table 2

Comparative overview of nanomaterials previously utilized in the removal of MB dye.


Nanomaterials	Pollutant	Reaction conditions	Removal efficiency (%)	References

MnTiO₃/TiO₂	MB dye	Visible light irradiation, 0.005 g of MnTiO₃/TiO₂, pH 6.4, 1 × 10⁵⁻ M of MB dye, 240 min	75	[40]
Iron titanate (Fe₂TiO₅)	MB dye	Natural sunlight, 50 mg of Fe₂TiO₅, 10 mg/L of MB dye, 250 min	>50	[56]
Zirconium oxide nanoparticles (ZrO₂ NPs)	MB dye	Solar irradiation, within 5 h	89.11	[72]
Doped zinc oxide nanoparticles	MB dye	Solar irradiation, pH 9, 10 ppm of MB dye, 100 mg/L of nanoparticle dose 2 hours	80	[73]
Tungsten trioxide (WO₃)	MB dye	Xenon light, 2.5 hours		[58]
ZnO	MB dye	UV irradiation, ZnO dosage of 250 mg/L, pH 10, 20 mg/L of MB, 2 hours	85	[41]
CeO₂ NPs/graphene oxide/polyacrylamide composite	MB dye	UV light, 2.5 mg of CeO₂, pH 12, 5 mg/L of MB, 90 min	90	[74]
ZnO-NPs	MB dye	UV irradiation, 10 mg/L of MB, pH 2, 1.8 g/L of ZnO NPs 140 min	86	[59]
2% Fe-ZnO	MB dye	UV irradiation, 10 mg/L of MB dye, 1.8 g/L of 2% Fe-ZnO, irradiation time 140 min, pH 2	92	[59]
CuO-NPs	MB dye	Visible light, 0.1 g of CuO, 10 ppm of MB, pH 9, 120 minutes	63.44	[54]
Iron oxide nanoparticles (Fe₃O₄)	MB dye	UV light, pH 7, 60 min	25	[75]
		pH 12, 60 min	99
		pH 3, 60 min	18
Parthenium hysterophorus-mediated ZnO NPs	MB dye	50 mg of ZnO NPs, 5 mg/L of MB, 1 mL of H₂O₂, 150 min	44.52	This study
		2.5 mg/L of MB, 10 mg of ZnO NPs, 1 mL of H₂O₂, 150 min	35.03
		5 mg/L of MB, 10 mg of ZnO NPs, pH 4, 1 mL of H₂O₂, 150 min	29.91
		5 mg/L of MB, 10 mg of ZnO NPs, pH 8, 1 mL of H₂O₂, 150 min	45.34
		5 mg/L of MB, 10 mg of ZnO NPs, 65°C, 150 min	53.08
		50 mg of ZnO NPs, 5 mg/L of MB, pH 12, 65°C, 1 mL of H₂O₂, 32 min	55.69