Biomedical Engineering Reference
In-Depth Information
Table 1.3 Comparison of biohydrogen yield with different plant biomasses
Biomass type (treatment conditions)
H
2
yield (ml H
2
/g TVS)
Reference
Corn stover (220
C for 3 min)
49.00
[
90
]
Corn husk
62.30
[
82
]
Corn straw
9.00
[
91
]
Corn stalk
3.00
[
92
]
Corn stalk waste
149.69
[
92
]
Corn cobs (1 % HCl + 100
C for 30 min)
107.9
[
93
]
Maize leaves
18.00
[
94
]
Rice husk
40.38
[
82
]
Wheat straw
6.40
[
95
]
Wheat powder
281.00
[
96
]
Sugarcane bagasse (130
C for 30 min)
19.70
[
94
,
97
]
Groundnut shell
44.12
[
82
]
Sweet sorghum plant (130
C for 30 min)
32.40
[
94
]
Whorled Rosinweed
leaves
10.30
[
94
]
Switchgrass
27.10
[
98
]
hydraulic retention time (HRT), and hydrogen gas partial pressure during anaerobic
fermentation [
79
,
80
] irrespective of the biomass used. A comparative account of
biohydrogen yields using different plant biomasses is shown in Table
1.3
.
Lipids
Sweet sorghum extract was also evaluated for production of lipid using
Chlorella
protothecoides.
This microalga exhibited dry cell yield and lipid content of
5.1 g L
1
and 52.5 %, respectively, when sweet sorghum extract was used as
carbon source. However, when the sorghum extract was supplemented with yeast
extract, the dry cell yield and lipid productivity of the microalga reached to
1.2 g L
1
day
1
and 586.8 mg L
1
day
1
, respectively [
99
]. Similarly, another
heterotrophic thraustochytrid,
Schizochytrium limacinum
SR21, was explored for
lipid production using sweet sorghum juice [
100
]. Semi-solid-state fermentation of
crushed sweet sorghum has been reported to produce single cell oils (SCO) using
the oleaginous fungus,
Mortierella isabellina
. The sugars and nitrogen present in
sweet sorghum were used by the fungus for oil accumulation, and the maximum oil
efficiency of 11 g/100 g dry weight of substrate was observed [
101
].
Nanomaterials
Sweet sorghum syrup-based facile, easy, reproducible, stable, spherical, and rapid
synthesis of stable gold and silver glyconanoparticles was demonstrated at room
temperature without the use any surfactants [
102
,
103
]. Glucose and fructose
present in the syrup were responsible as capping ligands along with sucrose
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