Journal
APPLIED ENERGY
Volume 88, Issue 10, Pages 3307-3312Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2010.11.026
Keywords
Microalgae; Biomass; Thermogravimetry; Chlorella; Biofuel
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Funding
- ONGC, Jorhat, India
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Microalgae are promising biomass species owing to their fast growth rate and high CO2 fixation ability as compared to terrestrial plants. Microalgae have long been recognized as potentially good source for biofuel production because of their high oil content and rapid biomass production. In this study Chlorella sp. MP-1 biomass was examined for its physical and chemical characteristics using Bomb calorimeter, TGDTA, CHN and FTIR. The proximate composition was calculated using standard ASTM methodology. Chlorella sp. MP-1 biomass shows low ash (5.93%), whereas high energy (18.59 MJ/kg), carbohydrate (19.46%), and lipid (28.82%) content. The algal de-oiled cake was characterized by FTIR spectroscopy and thermogravimetric study at 10 degrees C/min and 30 degrees C/min to investigate its feasibility for thermo-chemical conversion. The present investigation suggests that within the realm of biomass energy technologies the algal biomass can be used as feedstock for bio and thermo-chemical whereas the de-oiled cake for thermo-chemical conversion thereby serving the demand of second generation biofuels. (C) 2010 Elsevier Ltd. All rights reserved.
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