5 years ago

Kinetics of Performic Acid Synthesis and Decomposition

Kinetics of Performic Acid Synthesis and Decomposition
Vincenzo Russo, Martino Di Serio, Rosa Turco, Riccardo Tesser, Elio Santacesaria
The kinetics of performic acid decomposition was studied with a gas-volumetric technique in which we measured the volume of gas developed over time as a consequence of the reaction. Several kinetic runs were performed in the presence of catalytic amounts of H2SO4 and H3PO4 and in autocatalytic conditions by mixing solutions of HCOOH and H2O2. The trends of the curves of the gas volume (CO2) released, as a function of time, were all characterized by a more or less long induction time, followed by a straight line. Induction time appeared to be related to the kinetics of performic acid formation, rapidly reaching the equilibrium, while the successive linear trends corresponded to performic acid decomposition. A kinetic model was developed to interpret all the kinetic runs performed. The kinetic parameters with the best fits were determined, and the model was used to also simulate kinetic runs performed by other authors.

Publisher URL: http://dx.doi.org/10.1021/acs.iecr.7b00593

DOI: 10.1021/acs.iecr.7b00593

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