Summary
Hyperconcentrated microalgae cultures (up to 3,29 g dry weight/L) were immobilized in kappa-carrageenan beads. It appears that entrapped algae are able to remove efficiently nitrogen and phosphorus from urban secondary effluent and then perform a tertiary wastewater treatment.
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Chevalier, P., de la Noüe, J. Efficiency of immobilized hyperconcentrated algae for ammonium and orthophosphate removal from wastewaters. Biotechnol Lett 7, 395–400 (1985). https://doi.org/10.1007/BF01166210
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DOI: https://doi.org/10.1007/BF01166210