THE DEFINITION OF EFFICIENCY PHOTOBIOSYNTHESIS AT DIFFERENT DENSITIES OF THE SPIRULINA PLATENSIS CULTURE
Key words
Buger-Lambert-Beer law
energy absorption coefficient
caloric value of biomass
Conclusion
The density of the culture, B, 0,39 g SV / l
Absorption coefficient, a sp. = 0.97
Efficiency of photobiosynthesis, 5.09%
Material and methods
object of study
Spirulina (Arthrospira) platensis
Installation for the cultivation of microalgae
Uniko 4802 spectrophotometer dual beam
Concentration photoelectric colorimeter KFK-2
Results and discussion
maximum productivity was 0.23 g DM / (l • day)
on the surface of the culture, drops about 1.09 W PAR
The average caloric content of 1 g of S. platensis biomass is 5 kcal or 20.86 kJ