Table 1 Physical properties of absorbents
From: Improved efficiency of butanol production by absorbent fermentation with a renewable carrier
Materials | Specific gravity (g/mL) | Bulk density (g/mL) | Porosity (%) | Specific surface area (m2/g) |
|---|---|---|---|---|
SECSAT | 0.983±0.053 | 0.188±0.017 | 75.7±2.3 | 0.231±0.013 |
SECSAP | 1.021±0.067 | 0.126±0.009 | 82.7±2.2 | 0.171±0.009 |
SEWSAT | 1.169±0.043 | 0.149±0.013 | 82.9±2.2 | 0.138±0.003 |
SEWAT | 0.619±0.040 | 0.352±0.007 | 35.1±1.0 | 0.116±0.003 |
Non-woven fabric | 0.402±0.035 | 0.15±0.010 | 50.2±0.7 | 0.127±0.002 |
Polyurethane foam | 1.509±0.058 | 0.105±0.008 | 89.7±2.4 | 0.217±0.005 |