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. 2013 Jan 28;6:15. doi: 10.1186/1754-6834-6-15

Table 5.

Specific surface area and pore volume before and after pretreatment for different substrates[108,109]

Substrate Pretreatment conditions Specific surface area (m2/g) Pore volume (ml/g)
Rice straw
untreated
1.33
0.004
 
130°C, 2% H2SO4, 15 min
4.48
0.012
 
150°C, 2% H2SO4, 4 min
5.35
0.020
 
160°C, 2% H2SO4, 2 min
5.76
0.022
 
170°C, 2% H2SO4, 1 min
8.94
0.027
Sugarcane bagasse
untreated
1.00
NA
 
130°C, 2% H2SO4, 5 min
1.80
NA
 
160°C, 2% H2SO4, 5 min
2.38
NA
 
190°C, 2% H2SO4, 5 min
6.31
NA
 
160°C, 2% H2SO4, 10 min
0.98
NA
  190°C, 2% H2SO4, 10 min 5.00 NA