%0 Conference Proceedings %T POSCEA3: A SuperCritical Water Oxidation process to destroy organic liquid and solid waste %+ CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)) %A Ruiz, J.-C. %A Grandjean, Agnès %A Leybros, A. %A Turc, H., A. %A Tronc-Reynard, J. %A Venditti, P. %< avec comité de lecture %B DEM 2018 - Dismantling Challenges Industrial Reality, Prospects and Feedback Experience %C Avignon, France %8 2018-10-22 %D 2018 %K POSCEA3 %K Supercritical water oxidation %K continuous reactors %K batch reactor %Z Physics [physics]/Nuclear Experiment [nucl-ex] %Z Physics [physics]/Nuclear Theory [nucl-th]Conference papers %X In case of organic liquid waste treatment, SuperCritical Water Oxidation (SCWO) offers a promising process to destroy radioactive organic liquids. Under supercritical conditions (P> 22.1 MPa ; T> 647 K), water, organic compounds and gases are completely miscible enabling a fast and complete oxidation reaction. Ionic contaminants remained in the aqueous effluent can be further recovered, for example by conventional precipitation or adsorption processes, leading to a decontaminated final aqueous effluent. The gases generated by this low temperature process are only CO$_2$, O$_2$ and N$_2$, without producing by-products such as NOx or SOx compared to other thermal oxidation processes. %G English %2 https://cea.hal.science/cea-02338581/document %2 https://cea.hal.science/cea-02338581/file/201800002592.pdf %L cea-02338581 %U https://cea.hal.science/cea-02338581 %~ CEA %~ DEN