Ref.

This work

[2]

[34]

[18]

[12]

[5]

E kJ/mole

27.66

256

136

95

51.7

44

Catalyst type

Sulfonic resin

Al₂O₃

Al₂O₃

Resin

(Ambelyst 16)

Resin

(Ambelyst 35)

Sulfonic resin