Using Diaper Waste to Prepare Magnetic Catalyst for the Synthesis of Glycerol Carbonate

Table 2

Comparison of the DW-Ni-700 with reported heterogeneous catalysts.

Entry	Catalyst	Feedstock	Yieldf (%)^a	Reuse times	Yieldr (%)^b	Ref.
1	LiCl/CaO	LiCl, CaO	94.2	5	87.3	[41]
2	Ti-SBA-15	SBA-15, titanium isopropoxide	81.8	3	66.4	[42]
3	OPFA	Oil palm fuel ash	94.5	5	81.5	[3]
4	RM-500	Red mud	92.0	4	8.2	[29]
5	CoFe2O4@(CaO-ZnO)	Co(NO3)2, Zn(NO3)2, CaCl2, Fe(NO3)3	96.9	4	86.8	[43]
6	DW-Ni-700	Diaper waste, Ni(NO3)2	93.2	4	89.6	Present work

^aGC yield when the fresh catalyst was applied. ^bGC yield after the catalyst was recycled for several times.