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Journal Articles Waste and Biomass Valorization Year : 2017

Compatibility Study Between Synthetic Oil and Vitrified Wastes for Direct Thermal Energy Storage

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Abstract

Compatibility tests were conducted between synthetic oil and potential solid filler materials in a thermocline tank built at the PROMES-CNRS laboratory. These experiments consisted of placing the oil and the solid materials together in small crucibles (2.3 L) and performing compatibility tests at 300 °C and accelerated ageing tests at 330 °C for 500 h. The mutual influence of the oil and the solid materials was assessed through different measurements: X-ray diffraction and scanning electron microscopy. The influence of the solid on the oil was assessed by measuring thermo-physical and chemical properties. While no significant degradation of the oil is measured at 300 °C, at 330 °C, an increase in the oil degradation rate was observed. Its density, thermal conductivity and specific heat did not change, but its viscosity showed a significant increase. However, after accelerated ageing tests at 330 °C, the oil still shows good heat transfer performance. The solid crystalline structure did not change during the test but some of the samples seemed to absorb oil.
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Dates and versions

hal-01887776 , version 1 (04-10-2018)

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Thomas Fasquelle, Quentin Falcoz, Pierre Neveu, Jérémie Walker, Gilles Flamant. Compatibility Study Between Synthetic Oil and Vitrified Wastes for Direct Thermal Energy Storage. Waste and Biomass Valorization, 2017, 8 (3), pp.621 - 631. ⟨10.1007/s12649-016-9622-1⟩. ⟨hal-01887776⟩
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