Effects of an aluminum-based chemical remediator on the cyanobacteria population: a study in the northeast of Brazil

  • José Osmar Andrade Guimarães NetoEmail author
  • Lafayette Dantas Luz
  • Terencio Rebello Aguiar Junior


Water sources destined to human supply are increasingly threatened worldwide due to various sources of pollution, either point or diffuse. In this sense, the objective of this work was to evaluate the efficiency of an aluminum-based chemical remediator in the Joanes River. An statistical analysis of physical, chemical, biological, and hydraulic monitoring data was performed relying on a 2013–2018 recording period, provided by the local sanitation service provider and the environmental agency. The results showed that even with the use of aluminum-based chemical remediators, the key parameters for controlling flowering events remained high with mean values of 0.18 mg P L−1, 176.155 cells mL−1 of cyanobacteria and peaks of 1.56 μg L−1 and 4.02 μg L−1 for microcystin and saxitoxin, respectively. At the end of this study, it was verified that the aluminum-based chemical remediator showed low effectiveness in the reduction of phosphorus and cyanobacteria, opposing to expectations of the sanitation provider.


Water quality Human supply reservoir Cyanotoxins Microcystins Saxitoxins 



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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Environmental Engineering, Polytechnic SchoolFederal University of Bahia (UFBA)SalvadorBrazil

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