ASSESSMENT OF ALGAL CULTURE AND ELECTRICAL OUTPUT:
After 50 mL of highly concentrated algae culture was obtained, it was
immediately transferred to a 500 mL nutrient rich bioreactor medium
composed of an initial 2 mg of All-Purpose growth media (1 mg/250ml).
Cell concentration, pH, aquatic temperature, salinity, sterilization,
and lux levels were assessed. Cell concentrations were obtained with a
spectrophotometer. After two days of cultivation, the algae was
transferred to a 450 mL MFC anode chamber. Electrical testing was
executed with a multimeter. After all conditions and parameters were
assessed in the anode and cathode chambers, cell concentration was
maintained at a stationary phase in each algal culture bioreactor.
Photosynthetic absorption levels served as the magnitude and benchmark
of electrical production. The indirect correlation between absorption
levels and electrical output were further investigated as a proportional
increase from the stationary phase. Due to the proliferative nature of
the stationary development, optimal electrical output (mW) were highly
expected. The following photometric absorbance rates presented the most
efficiency: