General information
Organisation
The French Alternative Energies and Atomic Energy Commission (CEA) is a key player in research, development and innovation in four main areas :
• defence and security,
• nuclear energy (fission and fusion),
• technological research for industry,
• fundamental research in the physical sciences and life sciences.
Drawing on its widely acknowledged expertise, and thanks to its 16000 technicians, engineers, researchers and staff, the CEA actively participates in collaborative projects with a large number of academic and industrial partners.
The CEA is established in ten centers spread throughout France
Reference
SL-DRT-24-0760
Direction
DRT
Thesis topic details
Category
Technological challenges
Thesis topics
Contribution to the rapid assessment of the potential of photosynthetic microorganisms strains to be cultivated on pilot and industrial scales. Development and qualification of a laboratory device
Contract
Thèse
Job description
Photosynthetic microorganisms – microalgae and (cyano)bacteria – represent a biomass of interest for various applications: production of biofuels, bioremediation of liquid and/or gaseous effluents, production of bioplastic, food supplement, human or animal food, cosmetics,… Their ability to capture CO2 also makes them very promising for the circular carbon economy.
To meet the needs of mass markets, it is necessary to select particularly efficient strains of photosynthetic microorganisms among the immense natural diversity (more than 1 million species). The strains thus selected for their better productivity and/or their better capacity to capture CO2 will allow a reduction in production costs favorable to the opening of new applications and new markets.
For practical reasons, strain selection is carried out on a small scale in the laboratory. However, the results obtained are not directly transferable to pilot and industrial scales because the conditions there are very different (strong variations in particular of the weather conditions).
The objective of this PhD project will be to develop short tests reproducing the strong variations in temperature and sunshine encountered in real operating conditions which will make it possible to quickly evaluate in the laboratory the potential of strains of microalgae to be cultivated on pilot and industrial scales.
For this, an experimental tool is being developed on the MicroAlgae and Processes platform at CEA Cadarache. The PhD student will validate this tool and develop the tests on a model microalgae well known to the platform (Chlorella vulgaris NIES 227). The approach will be extended to other strains of microalgae and photosynthetic bacteria, other microorganisms of interest used to carry out the treatment of wastewater and/or the production of molecules of interest (bioplastic, biostimulant, etc.).
The main ambition of this PhD project is to define simple and rapid protocols allowing the selection of industrial strains of microalgae with increased productivity and CO2 capture capacity. It is part of the AlgAdvance project supported by the national research program PEPR B-Best – Biomass, biotechnologies, technologies for green chemistry and renewable energies – developed from 2023 to 2029 as part of the France 2030 investment program.
University / doctoral school
Sciences de l’Environnement (SE)
Aix-Marseille Université
Thesis topic location
Site
Grenoble
Requester
Position start date
01/09/2024
Person to be contacted by the applicant
DELRUE Florian florian.delrue@cea.fr
CEA
DRT/DSUD (CTReg)//Autre DPACA
CEA Cadarache
Batiment 980
13108 Saint-Paul-Lez-Durance
04 42 25 72 22
Tutor / Responsible thesis director
DELRUE Florian florian.delrue@cea.fr
CEA
DRT/DSUD (CTReg)//Autre DPACA
CEA Cadarache
Batiment 980
13108 Saint-Paul-Lez-Durance
04 42 25 72 22
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