Abstract
Approaches to the calculation of critical and engineering process parameters of the supercritical water oxidation (SCWO) of water-aromatic hydrocarbon (benzene, toluene, and phenol, which are the most hazardous chemicals contained in industrial wastewater) binary mixtures are discussed. The calculations were performed based on an example of the oxidation of 10% aqueous solutions of benzene, toluene, and phenol with the use of the Redlich-Kwong two-parameter equation of state. The critical parameters of the reaction mixture components, the parameters of the equation of state, the minimum oxygen amount required for complete oxidation, the fuel content of the reactor, the maximum values of the reaction temperature and pressure, the composition and critical parameters of the expected reaction products, etc., were calculated. The calculated critical reaction parameters can be used as control signals for an automatic control system in the development of a SCWO process for sewage destruction. The high ecological efficiency of the process was demonstrated using the bioassay testing of starting solutions and reaction products.
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Original Russian Text © A.E. Rozen, A.V. Roshchin, A.E. Zverovshchikov, V.A. Grachyov, V.S. Grigor’ev, E.V. Vorob’ev, K.M. Kolmakov, I.D. Epinat’ev, E.G. Raevskaya, 2015, published in Khimicheskaya Fizika, 2015, Vol. 34, No. 6, pp. 85–94.
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Rozen, A.E., Roshchin, A.V., Zverovshchikov, A.E. et al. Calculation of critical and engineering parameters for a supercritical water oxidation reaction system as exemplified by water-aromatic hydrocarbon binary mixtures. Russ. J. Phys. Chem. B 9, 481–489 (2015). https://doi.org/10.1134/S1990793115030185
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DOI: https://doi.org/10.1134/S1990793115030185