Concept

Réacteur nucléaire à sels fondus

Publications associées (463)

Bacterial Selection during the Formation of Early-Stage Aerobic Granules in Wastewater Treatment Systems Operated Under Wash-Out Dynamics

Christof Holliger, Julien Maillard, Pierre Rossi, David Gregory Weissbrodt, Samuel Lochmatter, Sirous Ebrahimi

Aerobic granular sludge is attractive for high-rate biological wastewater treatment. Biomass wash-out conditions stimulate the formation of aerobic granules. Deteriorated performances in biomass settling and nutrient removal during start-up have however of ...

2012

From Particles to Pillars

Josias Basil Wacker

Metal oxide nanoparticles and their applications (e.g. in nano-electronics, nano-optics or drug delivery) have seen a growing interest in the past decades. Traditional procedures to synthesize, functionalize and integrate nanoparticles in devices mostly ha ...

EPFL2012

Convolution and iterative methods applied to low frequency waves in 3D configurations

Laurent Villard, Wilfred Anthony Cooper, Stephan Brunner, Nicolas Mellet

Kinetic effects have been implemented in the three-dimensional full-wave code LEMan. These allow modeling Landau damping as well as the Kinetic Alfvén Wave (KAW). Special attention has been taken on the exact computation of the parallel wave vector as it c ...

Elsevier2011

Microstructured reactors and supports for ionic liquids

Albert Renken, Lioubov Kiwi, Madhvanand Namadeo Kashid

Different types of microstructures and their applicationswith respect to the synthesis and the use of ionic liquids are presented. Microstructured reactors are suitable for reactions with fast intrinsic kinetics, requiring high mass and heat transfer perfo ...

Elsevier2011

Dynamics of Microbial Community Structure of and Enhanced Biological Phosphorus Removal by Aerobic Granules Cultivated on Propionate or Acetate

Christof Holliger, Graciela Gonzalez Gil

Aerobic granules are dense microbial aggregates with the potential to replace floccular sludge for the treatment of wastewaters. In bubble-column sequencing batch reactors, distinct microbial populations dominated propionate-and acetate-cultivated aerobic ...

American Society for Microbiology2011

Extents of Reaction and Mass Transfer in the Analysis of Chemical Reaction Systems

Nirav Pravinbhai Bhatt

Monitoring, control and optimization of chemical reaction systems often requires in-depth analysis of the underlying reaction mechanisms. This dissertation investigates appropriate tools that facilitate the analysis of homogeneous and gas-liquid reaction s ...

EPFL2011

Theoretical treatment and numerical simulation of potentiometric and amperometric enzyme electrodes and of enzyme reactors. Part 2: Time-dependent concentration profiles, fluxes, and responses

Nico de Rooij, Peter Van der Wal

The time-dependent behavior of sensor systems based on enzyme membranes is treated theoretically. The comparative treatment covers traditional potentiometric and amperometric enzyme electrodes as well as enzyme reactors. Theoretical solutions are derived b ...

2011

Gas-liquid and liquid-liquid mass transfer in microstructured reactors

Albert Renken, Lioubov Kiwi, Madhvanand Namadeo Kashid

This article is a comprehensive overview of gas-liquid and liquid-liquid mass transfer in microstructured reactors (MSR). MSR are known to offer high heat and mass transfer rates for two phase systems due to high surface to volume ratio as compared to conv ...

Elsevier2011

The generation IV gas-cooled fast reactor

Manuel Alexandre Pouchon, Konstantin Mikityuk

The gas cooled fast reactor (GFR) is a helium-cooled fast spectrum reactor operating within a closed fuel cycle. It combines the advantages of fast reactors, in terms of a more sustainable use of uranium resources and waste minimisation, with the wider app ...

Societe Francaise d'Energie Nucleaire2011

Fission Rates Measured Using High-Energy Gamma-Rays from Short Half-Life Fission Products in Fresh and Spent Nuclear Fuel

Hanna Kröhnert

In recent years, higher discharge burn-ups and initial fuel enrichments have led to more and more heterogeneous core configurations in light water reactors (LWRs), especially at the beginning of cycle when fresh fuel assemblies are loaded next to highly bu ...

EPFL2011

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