Supercritical hydrothermal degradation of hazardous organic wastes with a view to utilizing the potential energy of gaseous products |
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| Authors: | A V Roshchin V S Grigor’ev A V Strelets A I Nikolaev E G Raevskaya V V Usin T N Korneeva |
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| Institution: | 1.Semenov Institute of Chemical Physics,Russian Academy of Sciences,Moscow,Russia;2.All-Russia Research and Development and Technology Institute of Machine and Tractor Fleet Operation and Repair,Moscow,Russia;3.Mendeleev University of Chemical Technology of Russia,Moscow,Russia |
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| Abstract: | The method of supercritical hydrothermal degradation was applied to neutralize hazardous organic-containing substances and persistent organic pollutants (polychlorinated biphenyls, organochlorine pesticides, wastewater, and agro-industrial waste) in the autothermal and allothermic modes. It has been established that the realizable modes of supercritical hydrothermal oxidation and pyrolysis provide a degree of decomposition of the investigated organic-containing waste not less than 99.5%, accompanied by the formation of a high-enthalpy steam?gas mixture or combustible gases. The possibility of utilization of the potential energy of gaseous reaction products on a specially designed experimental setup with a multi-tubular spiral-type reactor, which is a part of an autonomous energy complex for generating heat and electric power, is examined. |
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