Vol. 5, Issue 5 (2017)
Mass cultivation and harvesting of microalgae (Chlorella Sorokiniana) for biomass and lipid production
Author(s): Preet Sagar Singh, Manpreet Singh and Monica Sachdeva Taggar
Abstract: Mass accumulation of microalgae was studied and different parameters such as pH and absorbance (OD at 600nm) were observed during the growth studies. At 32oC, the absorbance varied from 0.011 to a maximum value of 0.985 on the 7th day while in the experiment at 36oC the absorbance varied from 0.082 to a maximum value of 0.935 on the 7th day. The pH values varied from 7.85-8.55 for 32oC and 7.59-8.01 for 36oC. During harvesting the centrifugation efficiency was found out to be 98.4% at 10,000rpm after 10min of centrifugation at 4oC.Maximum flocculation efficiency (97.23%) was achieved for 200ppm sample followed by 95.42% for 100ppm sample followed by 77.42% for 80 ppm sample after 30min of flocculation. For centrifugation, the biomass yield was 0.4923 gL-1 at 36oC as compared to 0.4665 gL-1 at 32oC. For flocculation, the biomass yield was 0.4683 gL-1 at 36oC as compared to 0.4425 gL-1 at 32oC. Calorific value for dried biomass after centrifugation was found out to be 23.13MJ/kg as compared to flocculated sample which was found out to be 15.16MJ/kg. Total lipids from dried biomass harvested using centrifugation was found out to be 12.25% as compared to flocculated sample which was found out to be 11.51%.
Pages: 173-178 | 1211 Views 83 Downloads
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How to cite this article:
Preet Sagar Singh, Manpreet Singh, Monica Sachdeva Taggar. Mass cultivation and harvesting of microalgae (Chlorella Sorokiniana) for biomass and lipid production. Int J Chem Stud 2017;5(5):173-178.
