Review Article
Chemical Recycling of PET Wastes with Different Catalysts
Table 3
Formulation and amount of materials used in glycolysis [
8].
| | Run | Type of PET waste | Temperature °C | Amount of EG, g
(EG : PET molar ratio) | Catalyst salt | Amount of catalyst, g
(PET : catalyst molar ratio) |
| | 1 | Clear | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 2 | Clear | 180 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 3 | Clear | 165 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 4 | Clear | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.09 (381 : 1) | | 5 | Clear | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.14 (245 : 1) | | 6 | Clear | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.035 (980 : 1) | | 7 | Clear | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.0035 (9800 : 1) | | 8 | Clear | 196 | 73.5 (7.6 : 1) | Na2CO3 | 0.045 (381 : 1) | | 9 | Clear | 196 | 73.5 (7.6 : 1) | NaHCO3 | 0.034 (381 : 1) | | 10 | Clear | 196 | 73.5 (7.6 : 1) | Na2SO4 | 0.058 (381 : 1) | | 11 | Clear | 196 | 73.5 (7.6 : 1) | K2SO4 | 0.071 (381 : 1) | | 12 | Clear | 196 | 73.5 (7.6 : 1) | Na2CO3 | 0.168 (98 : 1) | | 13 | Clear | 196 | 73.5 (7.6 : 1) | Na2CO3 | 0.068 (245 : 1) | | 14 | Clear | 196 | 73.5 (7.6 : 1) | Na2CO3 | 0.033 (503 : 1) | | 15 | Clear | 196 | 73.5 (7.6 : 1) | NaHCO3 | 0.069 (190 : 1) | | 16 | Green | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 17 | Amber | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 18 | Silver | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 19 | Blue | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 20 | White | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) | | 21 | Multilayered | 196 | 73.5 (7.6 : 1) | Zn(Ac)2 | 0.35 (98 : 1) |
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30 gr of PET (0.25 mm particle size) waste was used in all experiments.
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