Table 2 Parameters characterizing the microporous structure of the activated carbons developed by chemical activation of Pine cones with KOH, obtained with different impregnation ratios and process temperatures, based on the analysis of CO2 adsorption isotherms using the DR, LBET, and QSDFT methods.

From: Mathematical analysis of the effect of process conditions on the porous structure development of activated carbons derived from Pine cones

Sample

Vmicro (cm3/g)

LBET M No.

VhA (cm3/g)

QA/RT

BC

h

α

β

ACL1

0.28

14

0.351

− 8.41

1.00

9

1.00

1.77

ACL2

0.34

15

0.396

− 7.13

2.32

9

0.81

4.00

ACL3

0.52

15

0.807

− 5.11

1.10

9

0.90

3.97

ACM1

0.30

15

0.365

− 7.37

3.06

9

0.81

4.08

ACM2

0.47

15

0.552

− 6.09

1.11

9

0.86

4.00

ACM3

0.56

15

0.845

− 5.34

1.10

9

0.90

3.51

ACH1

0.42

15

0.482

− 6.31

1.06

9

0.86

4.10

ACH2

0.54

15

0.899

− 5.43

2.36

9

0.87

4.00

ACH3

0.53

15

0.952

− 5.00

1.36

9

0.88

2.83