Synthesis of Zeolites Prepared from Coal Bottom Ash: Influence of Time, Temperature and NaOH Concentration
Authors: Matsinhe,J. V., Macuvele,D. L.P., Santos,E.S.W., Moreira,J. C., Uamusse, M. M., Muller,L., Riella,H. G.
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Nowadays, the main application of coal mine in the world is to produce energy through thermoelectric power
plants. Energy generation is always associated with the production of enormous amounts of ashes, both bottom
and fly ashes. The main objective of this work is to study the effect of time, temperate and concentration on
Synthetic zeolites produced from utilizing minerals of coal bottom ash. However, for the factor significance
analysis, factorial planning of two levels and three factors was used, where eight experiments were obtained, and
the results of FTIR transmittance showed favorable variation in time and temperature, and the variation of the
NaOH concentration was not significant. It was concluded that the concentration of NaOH only influences the
zeolites formation when combined with the crystallization time.