6533b820fe1ef96bd127a516
RESEARCH PRODUCT
Continuous hydrothermal synthesis of inorganic nanopowders in supercritical water: towards a better control of the process
Frédéric BernardC. GentricF. Le CrasD. AymesAnne AimableAnne AimableH. Muhrsubject
EngineeringProcess (engineering)General Chemical EngineeringNanoparticleMechanical engineering02 engineering and technology7. Clean energy020401 chemical engineeringHeat transferHydrothermal synthesis[SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering0204 chemical engineeringProcess engineeringComputingMilieux_MISCELLANEOUSSupercritical waterbusiness.industry[ SPI.GPROC ] Engineering Sciences [physics]/Chemical and Process EngineeringContinuous mode[CHIM.MATE]Chemical Sciences/Material chemistry021001 nanoscience & nanotechnologySupercritical fluidContinuous synthesis process[ CHIM.MATE ] Chemical Sciences/Material chemistryScientific methodHeat transferNanoparticles0210 nano-technologybusinessCFDdescription
International audience; A hydrothermal synthesis process working in supercritical conditions (T > 374 °C, P > 22 MPa) and in a continuous mode has been developed for inorganic nanopowder synthesis. This paper presents a review of the past 5 years of research conducted on this process. Numerous materials (oxides: ZrO2, TiO2, Fe2O3..., ferrites: Fe2CoO4..., or BaZrO3) were obtained with specific features. Some technical issues have been solved, that are presented here. Heat transfer was studied, leading to a more efficient design of the reactor. Future developments have been examined through process engineering, in which our group is engaged, especially through CFD modelling.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2009-03-01 |