Journal
BIORESOURCE TECHNOLOGY
Volume 207, Issue -, Pages 430-439Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.01.044
Keywords
Scenedesmus obtusus; CO2 concentration; Nitrogen source; Photoperiod; Biodiesel
Funding
- Department of Science and Technology (DST), Government of India [BT/PR6552/PBD/26/360/2012]
- Council of Scientific and Industrial Research (CSIR)
Ask authors/readers for more resources
Scenedesmus obtusus, a freshwater microalga, was evaluated for its growth and biochemical characteristics under various culture conditions. S. obtusus was tolerant at all tested CO2 concentrations up to 20%. Among the different nitrogen sources, urea showed enhanced biomass productivities up to 2-fold compared to control, where the nitrogen source was sodium nitrate. Light intensity and photoperiod had a significant effect on growth rate and biomass productivity. The growth rate was observed maximum under continuous light exposure at the light intensities, 30 lmol m (2) sec (1) and 60 lmol m (2) sec (1) The species was able to tolerate the salinity levels up to 25 mM NaCl, where, the increase in the concentration of NaCl suppressed the growth. Ammonium acetate and glycine showed better growth rate and biomass productivity indicating mixotrophic ability of S. obtusus. Supplementation of acetate and bicarbonate significantly enhanced the biomass productivity. Biodiesel properties of S. obtusus cultivated at various culture conditions were estimated. (C) 2016 Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available