Nath, S K and Mukherjee, S and Maitra, S and Kumar, Sanjay (2017) Kinetics study of geopolymerization of fly ash using isothermal conduction calorimetry. Journal of Thermal Analysis and Calorimetry, 127(3) (IF-1.953). pp. 1953-1961.
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Isothermal conduction calorimetry has been used to study the reaction kinetics of early geopolymerization of fly ash. Fly ash particles were subjected to react with NaOH solution in 2:1 ratio at isothermal temperatures of 34, 39, 45, 52, and 60 A degrees C. The reaction kinetic parameters such as activation energy, rate of reaction, and pre-exponential function were calculated using the rate of heat evolution data. It is observed that the geopolymerization reaction followed a nucleation and growth mechanism. The activation energy obtained from an Arrhenius plot was around similar to 100 kJ mol(-1).
|Uncontrolled Keywords:||Fly ash geopolymerization; Isothermal conduction calorimetry; Reaction kinetics; Nucleation and growth; Activation energy|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||18 Aug 2017 09:53|
|Last Modified:||18 Sep 2017 16:45|
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