3.2 BC Particle Characterisation
57
Table 3.1
Chemical composition and surface areas of NBCs and MBCs [9]
BC type
C (%)
H (%)
N (%)
O (%)
Ash (%)
S
BET (m 2
g −1
)
S
mic (m 2
g −1
)
S
ext (m 2
g −1
)
V
mic (cm 3
g −1
)
D
pore (nm)
NBC
84.18
2.22
0.66
4.6
8.34
624.81
415.46
209.35
0.17
2.87
MBC
80.04
2.54
0.52
9.86
6.93
527.41
390.84
136.57
0.16
4.14
O (%)
= 100-(C
+ H
+ N
+ Ash), S
BET
= surface area, S
mic
= smicropore area, S
ext
= external surface area, V
mic
= micropore volume and D
pore
= pore
diameter
57
Table 3.1
Chemical composition and surface areas of NBCs and MBCs [9]
BC type
C (%)
H (%)
N (%)
O (%)
Ash (%)
S
BET (m 2
g −1
)
S
mic (m 2
g −1
)
S
ext (m 2
g −1
)
V
mic (cm 3
g −1
)
D
pore (nm)
NBC
84.18
2.22
0.66
4.6
8.34
624.81
415.46
209.35
0.17
2.87
MBC
80.04
2.54
0.52
9.86
6.93
527.41
390.84
136.57
0.16
4.14
O (%)
= 100-(C
+ H
+ N
+ Ash), S
BET
= surface area, S
mic
= smicropore area, S
ext
= external surface area, V
mic
= micropore volume and D
pore
= pore
diameter