Analysis of removal of cadmium by action of immobilized Chlorella sp. micro-algae in alginate beads

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Abstract

Cadmium (Cd) is a metal that can negatively interfere with the metabolic systems of living beings. The objective of this work was to evaluate the capacity for cadmium removal in aqueous solutions by immobilized Chlorella sp. in calcium alginate beads. Beads without Chlorella sp. were used as a control. All the treatments were established in triplicate for 80 min, at four concentrations of cadmium (0, 20, 100 and 200 ppm), taking samples of aqueous solution every 10 min, to be read using atomic absorption equipment. The study determined that the treatment of alginate beads with immobilized Chlorella sp. removed 59.67% of cadmium at an initial concentration of 20 ppm, this being the best removal result.

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Mátyás, B., Valdez, C., Perengüez, Y., & Guevara, M. F. (2018). Analysis of removal of cadmium by action of immobilized Chlorella sp. micro-algae in alginate beads. F1000Research, 7. https://doi.org/10.12688/f1000research.13527.1

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