Table 2
(continued)
Microalgae
Carbohydrate
content (% w/
w)
Biomass
(g/L)
Pretreatment
Inoculum
Operational
conditions
a
H
2 yield
Reference
Lipid and
pigment
extractedNannochloropsis
sp.
–
2.5
Milling +
supercritical
fluid
extraction
Enterobacter
aerogenes
ATCC 13048
Glass bottles,
T
= 35 °C
60.6 mL/g TS
Nobre et al. (2013)
Scenedesmus
obliquus
30.7
2.5
Autoclave
Enterobacter
aerogenes
ATCC 13048
Serum bottles,
T
= 30°C
45.1 mL/gTS
Batista et al. (2014)
50
Autoclave
Clostridium
butyricum
DSM
10702
Serum bottles,
T
= 37 °C
90.3 mL/gTS
Anabaena
sp. PCC 7120
–
12
Enzymatic
Enriched
thermophilic
mixed culture
Double jacketed
reactor,
T
= 60 °C,
pH = 5.5
143.8 mL/g
COD
Nayak et al. (2014)
Chlorella
sorokiniana
14.5
14
Steam heating with
dilute HCl
Enriched
thermophilic
mixed culture
Double jacketed
reactor,
T
= 60 °C,
pH = 6.5
333.5 mL/g
hexose
Roy et al. (2014)
a
All the hydrogen production studies were carried out in batch mode
218
H. Singh and D. Das
(continued)
Microalgae
Carbohydrate
content (% w/
w)
Biomass
(g/L)
Pretreatment
Inoculum
Operational
conditions
a
H
2 yield
Reference
Lipid and
pigment
extractedNannochloropsis
sp.
–
2.5
Milling +
supercritical
fluid
extraction
Enterobacter
aerogenes
ATCC 13048
Glass bottles,
T
= 35 °C
60.6 mL/g TS
Nobre et al. (2013)
Scenedesmus
obliquus
30.7
2.5
Autoclave
Enterobacter
aerogenes
ATCC 13048
Serum bottles,
T
= 30°C
45.1 mL/gTS
Batista et al. (2014)
50
Autoclave
Clostridium
butyricum
DSM
10702
Serum bottles,
T
= 37 °C
90.3 mL/gTS
Anabaena
sp. PCC 7120
–
12
Enzymatic
Enriched
thermophilic
mixed culture
Double jacketed
reactor,
T
= 60 °C,
pH = 5.5
143.8 mL/g
COD
Nayak et al. (2014)
Chlorella
sorokiniana
14.5
14
Steam heating with
dilute HCl
Enriched
thermophilic
mixed culture
Double jacketed
reactor,
T
= 60 °C,
pH = 6.5
333.5 mL/g
hexose
Roy et al. (2014)
a
All the hydrogen production studies were carried out in batch mode
218
H. Singh and D. Das