Table 4.

Comparison of dyes removal efficiency of Cu/Ni/rGO with Cu/Ni nanoparticles.

Adsorbing Catalyst	Synthesis Methdology	Light Source	Dye	Removal Efficiency	Degradation Time	Reference
Cu/NiO nanoparticles	Coprecipitaion method	Visible	Methylene blue	89%	50 min	[37]
Cu/NiO nanopartciles	Coprecipitaion method	Visible	Alizarin R	90%	60 min	[38]
Cu/NiO nanoparticles	Coprecipitaion method	Visible	Erichrome black-T Methylene blue	51%	90 min	[39]
Cu/NiO nanoparticles	Green synthesis (Okra plant)	UV-light	Methylene blue	78%	105 min	[40]
Cu/Ni nanoparticles	Green systhesis (Zingiber officinale)	UV-light	Crystal violet	95%	160 min	[41]
Cu/Ni/rGO	Green synthesis (Dypsislutescens plant)	Tungsten lamp	Rhodamin B	91%	20 min	Present work
Cu/Ni/rGO	Green synthesis (Dypsislutescens plant)	Tungsten lamp	Alizarin R	90%	20 min	Present work