Effect of the fusion and aging process in the synthesis of zeotypes from fly ash


  • Jeimer Alexander Lizcano-Cabeza Industrial University of Santander
  • Luis Fernando Ávila-Ascanio Industrial University of Santander https://orcid.org/0000-0003-4039-6057
  • Carlos Alberto Ríos-Reyes Industrial University of Santander
  • Luz Yolanda Vargas-Fiallo Industrial University of Santander




fly ash, aging method, synthesis, zeotypes, fusion


In this study, we evaluate the use of a sample of fly ash from TERMOPAIPA (Boyacá, Colombia) as the starting material for the synthesis of zeotypes on laboratory scale through its transforming via alkaline fusion, using solid or water dissolved NaOH, followed by aging during 6, 12 and 24 h under static or ultrasound conditions prior to hydrothermal treatment during 6, 12 and 24 h of reaction time. Experimental data reveal that the method, state of alkaline fusion, temperature and time of reaction strongly affect the zeotype to be synthesized. Low-silica sodium zeotypes were synthesized, which include zeolite NaP1, faujasite, and traces of sodalite. The synthesis of zeotypes from fly ash represents an interesting alternative for the mitigation of the environmental problem associated to the disposal of industrial wastes. Therefore, fly ash-based zeotypes synthesized under optimum experimental conditions can be used in several applications for environmental waste treatment.

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Author Biographies

Jeimer Alexander Lizcano-Cabeza, Industrial University of Santander

Research Group in Basic and Applied Geology (GIGBA), School of Geology.

Luis Fernando Ávila-Ascanio, Industrial University of Santander

Research Group in Basic and Applied Geology (GIGBA), School of Geology.

Carlos Alberto Ríos-Reyes, Industrial University of Santander

Research Group in Basic and Applied Geology (GIGBA), School of Geology.

Luz Yolanda Vargas-Fiallo, Industrial University of Santander

Research Group in Basic and Applied Geology (GIGBA), School of Geology.


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How to Cite

Lizcano-Cabeza, J. A., Ávila-Ascanio, L. F., Ríos-Reyes, C. A., & Vargas-Fiallo, L. Y. (2015). Effect of the fusion and aging process in the synthesis of zeotypes from fly ash. Revista Facultad De Ingeniería Universidad De Antioquia, (74), 213–225. https://doi.org/10.17533/udea.redin.16484

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