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- Title
Comparative studies on biomass of Anabaena ambigua grown in an external loop airlift photobioreactor using cross-shaped and circular sparger.
- Authors
Reddy, M. B. Venkataramana; Vani, M. Mukunda
- Abstract
An external loop airlift photobioreactor of 5 litre capacity was fabricated with glass as per the design. Blue green algae Anabaena ambigua was cultured in this external loop airlift photobioreactor using cross-shaped and circular sparger. For each type of sparger different sets of air velocities viz., 1 m/s, 1.5 m/s, 2 m/s, 2.5 m/s and 3 m/s were maintained and, once the culture reached stationary phase, the biomass was estimated by gravimetric method. For cross-shaped sparger maximum biomass was obtained at air velocity of 1.5 m/s and for circular sparger maximum biomass was obtained at air velocity of 2 m/s. Statistical analysis two-way analysis of variance (ANOVA) was performed using Microsoft Excel 2007. It was observed that there is a significant change in the biomass formed by changing the air velocity as well as changing the type of sparger. A maximum biomass of 0.809 g/L was obtained using cross-shaped sparger at air velocity of 1.5 m/s.
- Subjects
BIOMASS; PHOTOBIOREACTORS; ANABAENA; PHYCOBILIPROTEINS; CHROMOPHORES; FLUORESCENCE microscopy
- Publication
Indian Journal of Biotechnology, 2019, Vol 18, Issue 2, p126
- ISSN
0972-5849
- Publication type
Article