Table 3
(continued)
Strain
Processing
conditions
Method of
pretreatment
Operating conditions
Biogas production
Reference
Before
pretreatment
After
pretreatment
Isochrysis
galbana
15 days (30 °C)
Mechanical
Stirring with 1 g of glass
beads, 1 min
22 mL of
biogas
12.7 mL of
biogas
Santos et al. (2014)
Chemical
40 °C, 0.2% v/v acid,
t = 16 h
26 mL of
biogas
Thermal
60 °C, 16 h
3.7 mL of
biogas
Thermal
40 °C, 16 h
3.0 mL of
biogas
Scenedesmus
35 days (38 °C)
Lipid extraction
In hexane, Soxhlet
apparatus, 6 h,
0.18 L CH
4 /
g VS
0.33 L CH
4 /
g VS
Keymer et al. (2013)
High pressure
thermal
hydrolysis
170 °C, 800 kPa, 30 min
0.24 L CH
4 /
g VS
LE and HPTH
0.38 L CH
4 /
g VS
MSGP
methane specific gas production, VS
volatile solids, LE
Lipid extracted, HPTH
high pressure thermal hydrolysis
4 Process Intensification of Biofuel Production …
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