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Performic acid (PFA) is an oxidant used in chemical processing, synthesis and bleaching. The macro kinetic models of synthesis, hydrolysis and decomposition of PFA were investigated via formic acid-autocatalyzed reaction. It was found that the intrinsic activation energies of PFA synthesis and hydrolysis were 75.2 kJ·mol-1 and 40.4 kJ·mol-1 respectively. The observed activation energy of PFA decomposition was 95.4 kJ·mol-1. The experi-mental results indicated that the decomposition of PFA was liable to occur even at the ambient temperature. Both the spontaneous decomposition and the radical-introduced decomposition contributed to the decomposition of PFA.
The macro kinetic models of synthesis, hydrolysis and decomposition of PFA were investigated via formic acid-autocatalyzed reaction. It was found that the intrinsic activation energies of PFA synthesis and The observed activation energy of PFA decomposition was 95.4 kJ · mol-1. The experi-mental results indicated that the decomposition of PFA was liable to occur even at the Both the spontaneous decomposition and the radical-introduced decomposition contributed to the decomposition of PFA.