Table 3 The amounts of each functional group obtained from the deconvolutions of the TPD spectra.
Sample | Phenol/ether (mmol/g) | Quinone/carbonyl and phosphate (mmol/g) | Carboxylic (mmol/g) | Lactone (mmol/g) | Anhydride (mmol/g) |
---|---|---|---|---|---|
AC(350) | 1.57 | 2.58 | 0.41 | 0.05 | 1.01 |
AC(400) | 0.46 | 2.37 | 0.18 | 0.02 | 0.65 |
AC(450) | 0.20 | 2.17 | 0.08 | 0.04 | 0.34 |
AC(500) | 0.21 | 2.02 | 0.04 | 0.05 | 0.16 |
AC(550) | 0.19 | 3.31 | 0.04 | 0.12 | 0.14 |