Degradation of Methylene Blue Using Hydrothermally Synthesized α-Manganese Oxide Nanostructures as a Heterogeneous Fenton Catalyst

Table 3

Comparison of catalytic degradation of MB with literature.

S.N.	Catalyst	Chemicals used	MB degradation	Time (min)	References
1	β-MnO2 nanorods	(100 mg/L); , (30%)	96%	60	[22]
2	β-MnO2 nanopincers	(20 mg/L); , (30%)	90.2%	120	[23]
3	CuO-BiVO4	(10 mg/L); (1%)	40%	240	[24]
4	Fe2O3 nanowires	,	90.2%	120	[25]
5	MnO2/Fe3O4/diatomite nanocomposite	(10 mg/L); ,	100%	45	[26]
6	MnOx	(30 mg/L); , (30%)	50%	120	[27]
7	Maltose-MnOx	(50 mg/L); , (30%)	50%	120	[28]
8	MnOx	(50 mg/L); ,	95%	120	[29]
9	K2Fe4O7	,	100%	35	[30]
10	α-MnO2/AgBr nanocomposite		100%	80	[31]
11	CuO nanoparticles		43.5%	300	[32]
12	MgO nanoparticles	(20 mg/L)	98%	150	[33]
13	α-MnO2 nanostructures	(100 mg/L); , (30%)	73.05%	110	Present work