2026-04-23T20:26:42Zhttps://uvadoc.uva.es/oai/request
oai:uvadoc.uva.es:10324/284412021-06-24T07:44:43Zcom_10324_31661com_10324_952com_10324_894com_10324_1173com_10324_931col_10324_31662col_10324_1371
UVaDOC author Cabeza Pérez, Pablo author Silva Queiroz, Joao Paulo author Criado, Manuel author Jiménez, Cristina author Bermejo Roda, Maria Dolores author Mato Chaín, Fidel Antonio author Cocero Alonso, María José 2018-01-28T18:51:38Z 2018-01-28T18:51:38Z 2015 Energy, 2015, Volume 90, Part 2, pp. 1584-1594 0360-5442 http://uvadoc.uva.es/handle/10324/28441 10.1016/j.energy.2015.06.118 The cooled wall reactor has been modified by adding an additional upper outlet of products at 500–700 °C to improve energy recovery and make possible energy generation with the supercritical water oxidation of different waste. Experimental and modeling results of the performance of this new reactor configuration are presented as well as a theoretical analysis of the energy recovery of the reactor compared to other supercritical water oxidation reactors. Different flow distributions were tested to find the best elimination conditions. Total organic carbon removal over 99.99% was obtained at room injection temperatures, when the fraction of products leaving the reactor in the upper effluent is lower than 70% of feed flow. The performance of the reactor was tested with the oxidation of a recalcitrant compound such as ammonia. Removals higher than 99% of were achieved at temperatures near 700 °C. The behavior of the reactor working with feeds with up to 2.5% wt Na2SO4 could be injected in the reactor without plugging problems. Upper effluent always presented a concentration of salt lower than 30 ppm. Theoretical energetic analysis shows that the performance of this reactor is superior to other designs obtaining a maximum power efficiency of 27% (0.339 kW/kg-feed). eng Attribution-NonCommercial-NoDerivatives 4.0 International Supercritical water oxidation for energy production by hydrothermal flame as internal heat source. Experimental results and energetic study info:eu-repo/semantics/article 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URL https://uvadoc.uva.es/bitstream/10324/28441/1/Supercritical-water-oxidation.pdf File MD5 8b71109473dc6d97d97a9a295a2d8e3a 2796072 application/pdf Supercritical-water-oxidation.pdf