Chemical Recycling of PET Wastes with Different Catalysts

Table 1

Catalytic effect of different ionic liquids on the PET glycolysis [9].

Entry	Ionic liquids	Temperature (°C)	Conversion of PET (%)
1	—	180	10.1
2	[bmim]H2PO4	175	6.9
3	[bmim]HSO4	170	0.5
4	[3a-C3P(C4)3][GLY]	180	100
5	[3a-C3P(C4)3][Ala]	180	100
6	[bmim]Cl	180	44.7
7	[bmim]Br	180	98.7

Reaction condition: 1 atm, 8 h, amount of ionic liquid 1.0 g.