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REACTION KINETICS OF OZONE GAS IN WHEAT FLOUR REA
Paes,Juliana L.; Faroni,Lêda R. A.; Martins,Marcio A.; Cecon,Paulo R.; Heleno,Fernanda F..
ABSTRACT The implementation of the ozonation process in the milling industry to control insect pests and improve wheat flour qualities requires understanding the behavior of ozone during ozonation. Therefore, this study aimed to investigate the reaction kinetics of ozone gas in wheat flour. Wheat flour ozonation at concentrations of 0.54, 1.07, 1.61 and 2.14 mg L−1 was used in a prototype consisting of a cylinder and a mixing system with a helical thread. The iodometric titration method was used to quantify the ozone concentration in the air stream. The reaction kinetics were characterized by determining the saturation time and the decomposition kinetics (decay rate and half-life time). With increasing ozone concentration, less time was required to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ozonation; Saturation; Decay rate; Half-life time.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000300520
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