Chlorophyll Extraction from Microalgae: A Review on the Process Engineering Aspects

Table 2

Comparison between microalgal cultivation systems [19].

System	Raceway ponds	Tubular photobioreactors
Light efficiency	Fairly good	Excellent
Temperature control	None	Excellent
Gas transfer	Poor	Low - high
Oxygen production	Low	High
Accumulation	Low	Low - high
Hydrodynamic stress on algae	Difficult	Easy
Species control	None	Achievable
Sterility	Low	High
Cost to scale-up	Low	High
Volumetric productivity	High	Low