International Journal of Interdisciplinary Research
From: Poly (ethylene terephthalate) recycling for high value added textiles
Catalysts | BHET yield(%) | Temp. (°C) | Time(min) | Ethylene glycol /PET mol ratio | PET/Catalyst weight ratio | Refs |
---|---|---|---|---|---|---|
Lithium chloride | 59.46 | 197 | 480 | 10 | 0.005 | (a) |
Zinc chloride | 73.24 | |||||
Didymium chloride | 71.01 | |||||
Magnesium chloride | 55.67 | |||||
Ferric chloride | 56.28 | |||||
Zinc acetate | 85.6 | 196 | 180 | 5 (w/w) | 0.01 | (b) |
Zinc acetate | 62.8 | 200 | 150 | 2.77 | 0.003 | (c) |
Titanium phosphate | 97.5 | |||||
Zinc acetate | 62.51 | 190 | 480 | 6 | 0.005 | (d) |
Lead acetate | 61.65 | |||||
Sodium carbonate | 61.5 | |||||
Sodium bicarbonate | 61.94 | |||||
β-zeolite | 66 | 196 | 480 | 6 | 0.01 | (e) |
γ-zeolite | 65 | |||||
Zinc oxide on silica | ~85 | 300 | 80 | 11 | 0.01 | (f) |
Magnesium oxide on silica nanoparticle | >90 | |||||
Ionic liquids | - | 190 | 120 | 10 (w/w) | 0.05 | (g) |
[bmim] OH | 71.2 | 190 | 120 | 10 | 0.05 | (h) |