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Fundamental Research
News 02 December 2018

Hollow zeolites for increased catalytic efficiency

Zeolites are crystalline aluminosilicates that can be used for the manufacture of catalysts thanks to their physical and chemical properties and, in particular, their organized and regular microporous network, within which some of the catalytic reactions take place.

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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
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For xylene separation, hierarchy is not all bad

The three xylene a 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 36 of Science@ifpen
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Raman: the secret of a successful separation

The development and optimization of chemical processes increasingly involves the instrumentation of pilot and industrial units with inline effluent analysis technologies, capable of supplying relevant
Catalyse
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Hélène Olivier-Bourbigou : Scientific Woman of the Year – The 2014 Irène Joliot-Curie Prize

Scientific Woman of the Year – The 2014 Irène Joliot-Curie Prize: Hélène Olivier-Bourbigou, Head of research in the field of molecular catalysis at IFPEN
Science@ifpen n°35
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Catalyst selectivity: spectral investigations

THESIS BY FABIEN CARON
Science@ifpen n°32
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Where aviation fuels are concerned... compromise is the name of the game

In the aviation sector, fuels derived from hydrotreated vegetable oils (HEFA a ) are seen as an alternative to petroleum based Jet A-1 b to reduce the environmental footprint of air transport
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
Issue 28 Science@ifpen
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Boehmite rhapsody! Controlled precipitation

Transition aluminas a , 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
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