Issue 39 of Science@IFPEN
News in brief

Ebullated bed reactors: paths and wakes hit the headlines!

THESIS OF CLÉMENT TOUPOINT
Individual page

Céline CHIZALLET

Project Leader, ab initio calculations for Catalysis
After a PhD in heterogeneous catalysis (Paris 6 Univ., 2003-2006), during which I acquired skills in mineral synthesis, spectroscopies, catalytic testing and computational modelling, I chose to
Issue 37 Science@ifpen
News in brief

For xylene separation, hierarchy is not all bad

The three xylenea isomers are each employed in numerous growth market applications (polymers, plastifiers and resins). It is thus vital to improve the efficiency of the separation processes for these
Issue 31 Science@ifpen
News in brief

Journey to the center of a droplet

THÈSE DE CHARLOTTE GALLOIS
Issue 28 Science@ifpen
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Extrusion: playing the SAXS for success!

Alumina, the archetypal material used for hydrotreatment catalyst supports, has a porous structure at supramolecular scales, determining the transport of oil feeds within it. This structure is largely
Issue 28 Science@ifpen
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Boehmite rhapsody! Controlled precipitation

Transition aluminasa, widely used as catalyst supports, play a key role in numerous refining processes. Today, the need to develop new and more efficient catalysts demands, among other things, better
Issue 28 Science@ifpen
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Surface characterization at the right TEMPO

The value of X-ray photoelectron spectroscopy (XPS) resides in its capacity to supply information on the surface elementary composition (a few nm) and the chemical environment of the atoms probed
Issue 28 Science@ifpen
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ROCK sets the rhythm for catalyst activation

The development of more efficient hydrotreatment catalysts, based on molybdenum (Mo), requires advanced characterization methods that allow materials to be studied in conditions that match those of
Issue 28 Science@ifpen
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Infrared and SOLEIL: good vibrations under the microscope

Improving the reactional performance of a catalytic material (obtained by applying an active phase onto oxide grains) requires a better understanding of the mechanisms involved in the reaction. More
Issue 28 Science@ifpen
News in brief

Characterizing catalysts for Fischer-Tropsch: a question of SWING

Fischer-Tropsch synthesis is a catalytic process to produce hydrocarbons from a syngas, which could come from biomass. It is therefore an alternative process to help reduce the share of oil in the