Geosmin and 2-methylisoborneol removal in drinking water treatment

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4 Citas (Scopus)


Geosmin (GSM) and 2-methylisoborneol (2-MIB) are metabolites derived from cyanobacteria which produce taste and odor problems in drinking water treatment plants. Conventional treatment processes in water treatment are ineffective for the removal of 2-MIB/GSM. In this study, GSM and 2-MIB doses were applied to the raw water samples. Three powdered activated carbons (PAC), coconut shell, wood, and bituminous, and two oxidants, hydrogen peroxide and potassium permanganate, were evalu-ated. In addition, all the tests were made with and without flocculation aid (polyacrylamide). All the PACs evaluated showed better GSM and 2-MIB removals when conventional treatment was carried out with the addition of polyacrylamide as a flocculation aid. However, concentrations below the odor threshold were not reached. Regarding the oxidants, hydrogen peroxide presented the highest efficiency in eliminating GSM and 2-MIB when there is no presence of polyacrylamide.

Idioma originalInglés
Páginas (desde-hasta)159-167
Número de páginas9
PublicaciónWater Practice and Technology
EstadoPublicada - 1 ene. 2023

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© 2023 The Authors.

Palabras clave

  • hydrogen peroxide
  • polyacrylamide
  • powdered activated carbon
  • taste and odor compounds

Tipos de Productos Minciencias

  • Artículos de investigación con calidad Q3


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