2024-03-29T16:00:56Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/51782021-12-15T10:59:43Zcom_10261_35com_10261_5col_10261_288
DIGITAL.CSIC
author
Juan Mainar, Roberto
author
Hernández, Susana
author
Andrés Gimeno, José Manuel
author
Ruiz Alares, M. Carmen
funder
Ministerio de Educación y Ciencia (España)
funder
Ministerio de Ciencia y Tecnología (España)
2008-06-18T11:31:50Z
2008-06-18T11:31:50Z
2007-02-07
Fuel 86(12-13): 1811-1821 (2007)
0016-2361
http://hdl.handle.net/10261/5178
10.1016/j.fuel.2007.01.011
http://dx.doi.org/10.13039/501100006280
Fly ash from coal combustion is a potential source of pollution and there is continuous interest in its recycling by converting it into products such as zeolitic materials for use in retaining pollutants. In this paper, production of granular zeolitic material from a commercially-
unusable fine-fraction of a lightweight aggregate (LA) building material made from coal fly ash agglomerated with lime, by conventional
alkaline activation is described. NaP1 zeolite, K-F zeolite, K-Phillipsite and K-Chabazite were synthesised. The process was
optimised by combining four reaction parameters (temperature, alkali concentration, solution/fly ash ratio and reaction time). Zeolitic
materials with the highest zeolite yields and cation exchange capacities were selected for future application in environmental processes.
End-product zeolitic materials maintain its granular form and this could favour their use in some particular applications for environmental waste treatment (e.g. ionic exchange in column) without any further transformation stages.
eng
closedAccess
Coal fly ash
Zeolite synthesis
Cation exchange
Synthesis of granular zeolitic materials with high cation exchange capacity from agglomerated coal fly ash
artículo
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URL
https://digital.csic.es/bitstream/10261/5178/3/ARCHIVO%20COMODIN%20DIGITAL%20CSIC.pdf
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42637ae8545636bc41605c1740a9a84e
15753
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ARCHIVO COMODIN DIGITAL CSIC.pdf