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Removal of Fluoride in Water with Mexican Natural Zeolite

Posgrados de la División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana, Mexico City 02200, Mexico
Departamento de Ciencias Básicas, Universidad Autónoma Metropolitana-Azcapotzalco, Mexico City 02200, Mexico
Author to whom correspondence should be addressed.
Presented at the 2nd International Research Conference on Sustainable Energy, Engineering, Materials and Environment (IRCSEEME), Mieres, Spain, 25–27 July 2018.
Proceedings 2018, 2(23), 1470;
Published: 7 November 2018
This work presents the results of the fluoride removal in water, through an adsorption process with the use of a natural Mexican zeolite conditioned with calcium, manganese or iron in a fixed bed column system. The XRD and FTIR characterization results demonstrated that the conditioning modifies the surface chemical composition of the zeolite and the SEM/EDS analysis corroborates the increase of the exchanged ions. The conditioning of the zeolite generated an increase in the adsorption capacity of fluorine, the best percentage of removal obtained from fluoride ions was 98%, for a water with a concentration of 10 mg·L−1 with the conditioned zeolite with iron.
Keywords: fluorine; natural zeolite; remove fluorine; natural zeolite; remove
MDPI and ACS Style

Sampedro-Duran, J.; Torres-Rodríguez, M.; Gutiérrez-Arzaluz, M.; Mugica-Álvarez, V. Removal of Fluoride in Water with Mexican Natural Zeolite. Proceedings 2018, 2, 1470.

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