Variation of Addition of Nutrients (Liquid NPK) in Microalgae Cultivation of Chlorella Sp.
Nutrients are an important factor in the growth of microalgae. Ammonia is one of the most preferred nutrient sources by microalgae because it can be used directly in the body of the microalgae. Although ammonia is most preferred, its presence in large quantities can have a negative impact on microalgae. The toxicity of ammonia can cause death in microalgae. This study aims to find the most suitable composition for adding nutrients to the microalgae cultivation process. Variations in the addition of liquid NPK (nutrients) selected in this study were 0 mL; 0.3 mL; 1 mL; and 2 mL. The research was conducted with an aerated batch system. The variation that was considered the most suitable for the microalgae cultivation process was the 0.3 mL NPK addition variation.
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