The flocculant dose is also determined according to its type, and
the algal species and concentration too. It may range from 10 to
50 mg/l and more. Thus, processing 1000 l of solution from a
photobioreactor with biomass concentration of 5 g/l may yield, in
theory, up to 5 kg of dry microalgae. For 50 mg/l dose, the flocculation
would have to use 50 g of flocculant. Obviously, commercial
production would refer to the processing scale of dozens or even
hundreds of tons of culture broth, so that the flocculant costs
would certainly contribute to the final product cost. Further, consider
the flocculant types that can be found useful in microalgae
recovery from aqueous medium.
The flocculant dose is also determined according to its type, andthe algal species and concentration too. It may range from 10 to50 mg/l and more. Thus, processing 1000 l of solution from aphotobioreactor with biomass concentration of 5 g/l may yield, intheory, up to 5 kg of dry microalgae. For 50 mg/l dose, the flocculationwould have to use 50 g of flocculant. Obviously, commercialproduction would refer to the processing scale of dozens or evenhundreds of tons of culture broth, so that the flocculant costswould certainly contribute to the final product cost. Further, considerthe flocculant types that can be found useful in microalgaerecovery from aqueous medium.
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