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Conversion of municipal sewage sludge in supercritical water

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Abstract

The conversion of the organic matter of municipal sewage sludge in water under supercritical conditions (T≤750°C; P≤30 MPa) was studied. According to mass-spectrometric data, CO2, H2, CH4, and NH3 were predominant among volatile conversion products. The kinetic parameters of conversion were determined. It was found that the rate of the process increased with temperature and mainly depended on the interaction of water molecules with sewage sludge carbon T > 600°C.

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Correspondence to A. A. Vostrikov.

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Original Russian Text © A.A. Vostrikov, O.N. Fedyaeva, A.V. Shishkin, D.Yu. Dubov, M.Ya. Sokol, 2008, published in Khimiya Tverdogo Topliva, 2008, No. 6, pp. 70–80.

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Vostrikov, A.A., Fedyaeva, O.N., Shishkin, A.V. et al. Conversion of municipal sewage sludge in supercritical water. Soil Fuel Chem. 42, 384–393 (2008). https://doi.org/10.3103/S0361521908060116

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