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International Journal of Interdisciplinary Research

Table 3 Various reaction parameters for PET glycolysis ((a) Pingale, et al. 2010; (b) Xi, et al. 2005; (c) Troevet al. 2003; (d) Shukla and Kulkarni2002; (e) Shukla et al. 2008; (f) Imran, et al. 2011; (g) Wang et al. 2009; (h) Yue et al. 2011)

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)