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M/F - PhD student in Valorization of algae by advanced hydrothermal synthesis

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : mercredi 1 juin 2022

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General information

Reference : UMR7340-SOPBAU-018
Date of publication : Wednesday, May 11, 2022
Scientific Responsible name : Jean-Henry FERRASSE - Olivier BOUTIN
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 3 October 2022
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

The algal biomasses are valorized in a targeted way by recovery of lipids and molecules with high added value, such as pigments (very small quantity). The important issue of developing other value chains is identified as a strategic need to develop by 2030 a production and value chain of algae in France, with in particular the obtaining of platform molecules for chemistry by processes called "3G+". Among the possible routes, the hydrothermal liquefaction, catalytic and with partial oxidation (150-300°C, 5-15 MPa) of algal biomasses (micro and macro algae) into platform molecules (chemistry, pharmacy, biomaterials ...) is chosen for this project. This pathway presents a scientific barrier to its development: the reaction products are multiple due to lack of selectivity and leading to a costly downstream separation. The main objective of the project will be to determine the possible reaction routes by acting on two levers: the type of catalyst used and the "cursor" of the O2 stoichiometry (partial oxidation) which will be varied between 0 (direct liquefaction condition "LD") and 1 or more (wet oxidation condition "OVH").

Work Context

The proposed work is an experimental work consolidated by a modeling work of conversion kinetics based in Aix en Provence at the M2P2 laboratory.

Constraints and risks

Candidates with a Master's degree or equivalent in Chemical Engineering with excellent academic results.
Practical training acquired in a research laboratory or in industry as well as skills in modeling.

Additional Information

The doctoral contract will be established by AIX MARSEILLE UNIVERSITY

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