Kinetics of heterogeneous oxidation of concentrated Ammonium sulfite (cas 10196-04-0)
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Add time:07/30/2019 Source:sciencedirect.com
The heterogeneous oxidation of ammonium sulfite solution was investigated in stirred cell and packing column. The concentration range of sulfite is 0.05–4.7gmol/l and that of oxygen in the gas phase is 21–100%, temperature range is 30–75°C. The results indicated that there is a critical sulfite concentration, below which the reaction order with respect to sulfite is 0.2, while above which the order turns to −1.0. The reaction order with respect to oxygen is 1. Apparently, the ionic strength was found to inhibit the oxidation. The apparent energy of activation determined is 32.7kJ/mol.
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