Julien Jaxel
Research Engineer at Mines ParisTech- Claim this Profile
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Français Native or bilingual proficiency
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Espagnol Limited working proficiency
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Anglais Full professional proficiency
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Allemand Elementary proficiency
Topline Score
Bio
Credentials
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DELE Nivel B1
Instituto CervantesFeb, 2016- Oct, 2024 -
TOEIC (925)
-Jun, 2014- Oct, 2024
Experience
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Mines Paris
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France
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Higher Education
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300 - 400 Employee
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Research Engineer
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Jun 2021 - Present
Responsible of the chemistry laboratories of the Centre for Processes, Renewable Energies and Energy Systems (PERSEE): - Active participation in the centre's research projects: Synthesis and characterisation of materials related to our research activities with, for example, materials for thermal super-insulation or catalysts for fuel cells (hydrogen). - Design or 3D printing (FDM) of laboratory pieces for experimental set-ups - Training of employees (trainees, doctoral students… Show more Responsible of the chemistry laboratories of the Centre for Processes, Renewable Energies and Energy Systems (PERSEE): - Active participation in the centre's research projects: Synthesis and characterisation of materials related to our research activities with, for example, materials for thermal super-insulation or catalysts for fuel cells (hydrogen). - Design or 3D printing (FDM) of laboratory pieces for experimental set-ups - Training of employees (trainees, doctoral students, post-doctoral students) in good laboratory practices (GLP) and laboratory safety - Supervision of students in the laboratories - Direct contact with suppliers (equipment, consumables, etc.) and subcontractors of the laboratory - Maintenance (and/or improvements) of characterisation equipment: FTIR, ATG, DSC, nitrogen sorption apparatus, climatic chamber, thermal conductivity meter, supercritical CO2 equipment and various small laboratory equipment - Trained user for the PERSEE centre of a high resolution scanning electron microscope (SEM) Co-supervisor of PhD thesis and research internships (MSc level) : - Biobased materials for thermal insulation (PhD thesis) Show less Responsible of the chemistry laboratories of the Centre for Processes, Renewable Energies and Energy Systems (PERSEE): - Active participation in the centre's research projects: Synthesis and characterisation of materials related to our research activities with, for example, materials for thermal super-insulation or catalysts for fuel cells (hydrogen). - Design or 3D printing (FDM) of laboratory pieces for experimental set-ups - Training of employees (trainees, doctoral students… Show more Responsible of the chemistry laboratories of the Centre for Processes, Renewable Energies and Energy Systems (PERSEE): - Active participation in the centre's research projects: Synthesis and characterisation of materials related to our research activities with, for example, materials for thermal super-insulation or catalysts for fuel cells (hydrogen). - Design or 3D printing (FDM) of laboratory pieces for experimental set-ups - Training of employees (trainees, doctoral students, post-doctoral students) in good laboratory practices (GLP) and laboratory safety - Supervision of students in the laboratories - Direct contact with suppliers (equipment, consumables, etc.) and subcontractors of the laboratory - Maintenance (and/or improvements) of characterisation equipment: FTIR, ATG, DSC, nitrogen sorption apparatus, climatic chamber, thermal conductivity meter, supercritical CO2 equipment and various small laboratory equipment - Trained user for the PERSEE centre of a high resolution scanning electron microscope (SEM) Co-supervisor of PhD thesis and research internships (MSc level) : - Biobased materials for thermal insulation (PhD thesis) Show less
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University of Natural Resources and Life Sciences, Vienna (BOKU)
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Austria
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Higher Education
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700 & Above Employee
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Research Associate
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Feb 2021 - Apr 2021
Main tasks: - Carbohydrate synthesis for chromatography applications - 3D printing (SLA and FDM technologies) - Involvement in the laboratory safety team
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Research Associate
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Oct 2020 - Jan 2021
Participation in several projects on the following themes - Chemical modification of cellulose gels for biomedical applications - Porous biomaterials for thermal insulation - 3D printing (SLA and FDM technologies)
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Wood K plus - Kompetenzzentrum Holz GmbH
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Austria
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Research Services
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1 - 100 Employee
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Junior Research Scientist
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Jan 2017 - Jun 2020
Management of a research project: Tailoring of a dyeing process of wood assisted by supercritical carbon dioxide. Main problematics and missions: - Literature review - Study and optimisation of an impregnation process via supercritical CO2 - Organic synthesis of new dyes and their characterisation (NMR, FTIR, UV/Vis, Elemental Analysis, Melting points determination, ...) - Method development and validation - Written (publications and reports) and oral (talks during… Show more Management of a research project: Tailoring of a dyeing process of wood assisted by supercritical carbon dioxide. Main problematics and missions: - Literature review - Study and optimisation of an impregnation process via supercritical CO2 - Organic synthesis of new dyes and their characterisation (NMR, FTIR, UV/Vis, Elemental Analysis, Melting points determination, ...) - Method development and validation - Written (publications and reports) and oral (talks during international scientific conferences) communication in English - Supervision of students (Bachelor and Master) - Participations to other projects related to wood coatings and bio-based aerogels. Other activities: - Actively involved in laboratory safety with an innovative safety system for the introduction to new employees. Rewarded by BOKU University. - Design (with Autodesk Inventor) and printing of 3D models by Fused Deposition Modeling (FDM) Show less Management of a research project: Tailoring of a dyeing process of wood assisted by supercritical carbon dioxide. Main problematics and missions: - Literature review - Study and optimisation of an impregnation process via supercritical CO2 - Organic synthesis of new dyes and their characterisation (NMR, FTIR, UV/Vis, Elemental Analysis, Melting points determination, ...) - Method development and validation - Written (publications and reports) and oral (talks during… Show more Management of a research project: Tailoring of a dyeing process of wood assisted by supercritical carbon dioxide. Main problematics and missions: - Literature review - Study and optimisation of an impregnation process via supercritical CO2 - Organic synthesis of new dyes and their characterisation (NMR, FTIR, UV/Vis, Elemental Analysis, Melting points determination, ...) - Method development and validation - Written (publications and reports) and oral (talks during international scientific conferences) communication in English - Supervision of students (Bachelor and Master) - Participations to other projects related to wood coatings and bio-based aerogels. Other activities: - Actively involved in laboratory safety with an innovative safety system for the introduction to new employees. Rewarded by BOKU University. - Design (with Autodesk Inventor) and printing of 3D models by Fused Deposition Modeling (FDM) Show less
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SEPAREX
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France
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Chemical Manufacturing
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1 - 100 Employee
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Research Intern
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Jun 2016 - Dec 2016
Topic: Optimisation and scaling up of a discoloration process of polyester fibers via supercritical CO2. Main accomplishments: - Optimisation of an extraction process via a Design of Experiments methodology (Used software: STAVEX) - Scale up calculations - Trials performed at laboratory scale (100mL) and at a higher scale (5L) - Results analysis by UV-Visible spectrophotometry - Writings and presentations done in English and French Topic: Optimisation and scaling up of a discoloration process of polyester fibers via supercritical CO2. Main accomplishments: - Optimisation of an extraction process via a Design of Experiments methodology (Used software: STAVEX) - Scale up calculations - Trials performed at laboratory scale (100mL) and at a higher scale (5L) - Results analysis by UV-Visible spectrophotometry - Writings and presentations done in English and French
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CEMEF Mines Paris - PSL - UMR7635
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France
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Think Tanks
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1 - 100 Employee
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Research Intern
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Jan 2016 - Jun 2016
Research intern in the Polymers and composites unit, more specifically in the team of Bio-based Polymers and composites. Topic of this Master 2 thesis: Influence of several cellulosic fibers on the thermal and mechanical properties of super-insulating porous materials (supercritically CO2-dried and ambient-dried aerogels). Main achievements and developed skills: - Sol-Gel chemistry - Supercritical CO2 drying - Thermogravimetric analysis (TAG) - 3-pt bending -… Show more Research intern in the Polymers and composites unit, more specifically in the team of Bio-based Polymers and composites. Topic of this Master 2 thesis: Influence of several cellulosic fibers on the thermal and mechanical properties of super-insulating porous materials (supercritically CO2-dried and ambient-dried aerogels). Main achievements and developed skills: - Sol-Gel chemistry - Supercritical CO2 drying - Thermogravimetric analysis (TAG) - 3-pt bending - Thermal conductivity measurements - Writings and oral presentations of the results in English and French --> Oral presentation of a poster at the 3rd International Seminar on Aerogels (Sophia Antipolis, September 2016) --> Publication of the results in a scientific journal: Julien Jaxel, Gediminas Markevicius, Arnaud Rigacci, Tatiana Budtova, Thermal superinsulating silica aerogels reinforced with short man-made cellulose fibers, Composites Part A: Applied Science and Manufacturing, Volume 103, 2017, Pages 113-121. Show less Research intern in the Polymers and composites unit, more specifically in the team of Bio-based Polymers and composites. Topic of this Master 2 thesis: Influence of several cellulosic fibers on the thermal and mechanical properties of super-insulating porous materials (supercritically CO2-dried and ambient-dried aerogels). Main achievements and developed skills: - Sol-Gel chemistry - Supercritical CO2 drying - Thermogravimetric analysis (TAG) - 3-pt bending -… Show more Research intern in the Polymers and composites unit, more specifically in the team of Bio-based Polymers and composites. Topic of this Master 2 thesis: Influence of several cellulosic fibers on the thermal and mechanical properties of super-insulating porous materials (supercritically CO2-dried and ambient-dried aerogels). Main achievements and developed skills: - Sol-Gel chemistry - Supercritical CO2 drying - Thermogravimetric analysis (TAG) - 3-pt bending - Thermal conductivity measurements - Writings and oral presentations of the results in English and French --> Oral presentation of a poster at the 3rd International Seminar on Aerogels (Sophia Antipolis, September 2016) --> Publication of the results in a scientific journal: Julien Jaxel, Gediminas Markevicius, Arnaud Rigacci, Tatiana Budtova, Thermal superinsulating silica aerogels reinforced with short man-made cellulose fibers, Composites Part A: Applied Science and Manufacturing, Volume 103, 2017, Pages 113-121. Show less
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LRGP I Laboratoire Réactions et Génie des Procédés
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France
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Chemical Manufacturing
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1 - 100 Employee
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Research Intern
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Jun 2015 - Jul 2015
Internship performed in the team of Engineering of polymerization processes (GP2) Topic: Chemical modification of cellulose nano-cristals Main achievements: - TEMPO-Oxidation of cellulose - Efficiency of the reaction measured by ionic conductivity Internship performed in the team of Engineering of polymerization processes (GP2) Topic: Chemical modification of cellulose nano-cristals Main achievements: - TEMPO-Oxidation of cellulose - Efficiency of the reaction measured by ionic conductivity
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Arkema
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France
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Chemical Manufacturing
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700 & Above Employee
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Research Intern
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Sep 2014 - Feb 2015
Research intern at the Centre de Recherche De l'Est (CRDE) in the Acrylates department Topic: Study of the β-propiolactone synthesis and its transformation into acrylic acid. Main achievements: - Polymerization reactions - Gas Chromatography (GC) analysis - Writing of a bibliographic report - Oral presentation of the results in French Research intern at the Centre de Recherche De l'Est (CRDE) in the Acrylates department Topic: Study of the β-propiolactone synthesis and its transformation into acrylic acid. Main achievements: - Polymerization reactions - Gas Chromatography (GC) analysis - Writing of a bibliographic report - Oral presentation of the results in French
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University of Natural Resources and Life Sciences, Vienna (BOKU)
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Austria
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Higher Education
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700 & Above Employee
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Research Intern
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Jun 2014 - Sep 2014
Research intern at the Laboratory of chemistry of renewable resources. Topic: Investigation of the loading and release of bioactive compounds on cellulosic aerogels. Research intern at the Laboratory of chemistry of renewable resources. Topic: Investigation of the loading and release of bioactive compounds on cellulosic aerogels.
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Education
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2017 - 2020
University of Natural Resources and Life Sciences, Vienna (BOKU)
Doctor of Philosophy (Ph.D.), Chemistry of renewable ressources -
2014 - 2016
ENSIC
Engineering Degree, Chemical Industries -
2012 - 2016
ENSAIA - Ecole Nationale Supérieure d'Agronomie et des Industries Alimentaires
Engineering Degree, Food Sciences -
2010 - 2012
Lycée Jacques Prévert
Classe Préparatoire BCPST, Biologie, Chimie, Physique, Mathématiques et Sciences de la Terre
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