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Steven De Meester

Professor at Ghent University

Ghent University
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Belgium

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Positions (3)

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Pieter Nachtergaele

University Name
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Ghent University

Doctoral Fellow in Green Chemistry and Technology – Polymer Recycling and Sensing

Ghent University invites applications for a full-time doctoral fellowship in the Department of Green Chemistry and Technology, focusing on advanced sensing methodologies for polymer recycling. The position is based in the Laboratory for Circular Process Engineering (LCPE) on the Kortrijk campus, supervised by Prof. Pieter Nachtergaele and Prof. Steven De Meester. The research group is dynamic, comprising 22 PhD students, 3 postdocs, and 4 technicians, and is renowned for its work on chemical engineering for the circular economy, with a strong emphasis on waste pretreatment and downstream processing. The doctoral project centers on developing and applying state-of-the-art spectroscopic techniques (such as NIR, Raman, and hyperspectral imaging), combined with machine learning and chemometric modelling, to monitor and control polymer recycling processes. The research will be conducted in close collaboration with LCPE colleagues and industrial partners, aiming to produce scientific publications in international peer-reviewed journals and presentations at international conferences. The ultimate goal is to complete a PhD thesis integrating these scientific findings. Applicants should have a master's degree in chemical engineering, bioscience engineering, materials science, civil engineering, industrial engineering, or equivalent. Degrees in applied physics or chemistry with a strong engineering focus are also considered. Candidates must demonstrate a genuine interest in scientific research, a drive for sustainable and circular solutions in the plastics industry, and the ability to work both independently and collaboratively in a multidisciplinary, international environment. Strong organizational skills, self-motivation, perseverance, and excellent academic writing and oral presentation skills are essential. Proficiency in English is required. Additional desirable qualifications include experience with inline or online spectroscopic sensing techniques (NIR, Raman, MIR, hyperspectral imaging), chemometric or multivariate data analysis (PLS, PCA, machine learning), polymer characterization (DSC, TGA, GPC, rheology), knowledge of plastic sorting and recycling technologies, laboratory work, experimental design, and programming skills in Python, MATLAB, or R. The fellowship is initially for 12 months, extendable up to 48 months after a positive evaluation. The salary is 100% of the net AAP member salary, determined by family status and seniority, and is tax-free. Ghent University offers a range of staff benefits, including training opportunities, 36 days of holiday leave, bicycle allowance, and eco vouchers. To apply, send your CV, diploma, motivation letter, and contact details of at least one reference to Prof. Pieter Nachtergaele ([email protected]) before 31 May 2026. File names should follow the format: Type of document_First Name_Last Name.docx. Late applications will not be accepted. For further information, contact Prof. Nachtergaele. Ghent University is committed to equal opportunities and diversity, and encourages all qualified candidates to apply.

3 months ago

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Steven De Meester

University Name
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Ghent University

Postdoctoral Researcher in Green Chemistry and Technology (LCPE)

Ghent University invites applications for a postdoctoral researcher position in Green Chemistry and Technology (LCPE) within the Faculty of Bioscience Engineering, Department BW24. The role is based at the Laboratory for Circular Process Engineering (Kortrijk campus), supervised by Professor Steven De Meester. The research group is a vibrant team comprising 22 PhD students, 3 postdocs, and 4 technicians, focusing on advancing chemical engineering for the circular economy, particularly in pretreatment and downstream processing of waste. The postdoc will contribute to projects centered on solvent-based recycling of plastic waste, addressing the challenges posed by heterogeneous waste streams and the sensitivity of recycling technologies to contaminants. The group leverages fundamental science and innovative approaches to improve processes used in waste treatment facilities, with strong industry connections and a deep understanding of the waste management landscape. Applicants must hold a PhD, preferably in bioscience engineering, chemical engineering, or a related discipline. Essential qualifications include a strong interest in sustainability, packaging, and recycling technology, excellent English communication skills, strong writing and presentation abilities, good organizational skills, and high motivation. Experience with quantitative and/or qualitative research is required, and industry networking is considered advantageous. Candidates with foreign diplomas in languages other than Dutch, French, German, or English must provide a translation. The position is offered as a contract of definite duration for 24 months, starting no earlier than July 1, 2026. Remuneration is based on salary scale PD1 to PD4 for doctoral degree holders. Ghent University provides a comprehensive benefits package, including training and education opportunities, 36 days of annual holiday leave, fixed bridge days, bicycle allowance, and eco vouchers. To apply, candidates must submit their application online via the Ghent University e-recruitment system before the deadline of May 1, 2026. Required documents include a CV and academic transcript (merged as one PDF), cover letter, diploma transcript, and other supporting materials such as reference letters and study results. Applications sent by email will not be considered. For further information about the vacancy, contact Prof. Steven De Meester at [email protected]. For questions regarding the application process, email [email protected]. Ghent University is committed to equal opportunities and diversity, encouraging all qualified candidates to apply.

4 months ago

Articles (20)

Plastic recycling stripped naked – from circular product to circular industry with recycling cascade

This perspective combines various expertise to develop and analyse the concept of technology cascade for recycling waste plastics with the goal of displacing as much fossil crude oil as possible. It thereby presents archetype recycling technologies with their strengths and weaknesses. It then combines them in various cascades to process a representative plastic mix, and determines how much (fossil) naphtha could be displaced and at which energy consumption. The cascades rely on a limited number of parameters that are fully reported in supplementary information and that were used in a simple and transparent spreadsheet model. The calculated results bust several common myths in plastic recycling, e. g. by prioritizing here recycled volume over recycling efficiency, and prioritizing circular industry over circular products . It unravels the energy cost of solvent‐based recycling processes, shows the key role of gasification and the possibility to displace up to 70 % of the fossil feedstock with recycled carbon, a recycling rate that compares well with that aluminium, steel or paper. It suggests that deeper naphtha displacement would require exorbitant amount of energy. It therefore argues for the need to complement recycling with the use of renewable carbon, e. g. based on biomass, to fully defossilise the plastic industry.

Year:

2024

Collaborators (13)

Rudinei Fiorio

University of Maastricht

NETHERLANDS

Ezra Bar-Ziv

Michigan Technological University

UNITED STATES

Anders Damgaard

Dr. at Technical University of Denmark

Technical University of Denmark

DENMARK

Katleen Raes

Ghent University

BELGIUM

Dimitris Achilias

Professor

Aristotle University of Thessaloniki

GREECE

Angeliki Lemonidou

Professor -Director of Petrochemical Technology Laboratory

Aristotle University of Thessaloniki

GREECE

Thomas Fruergaard Astrup

Technical University of Denmark

DENMARK

Sergei Gusev

Ghent University

BELGIUM

Kim Ragaert

-

NETHERLANDS

Marcel C. P. van Eijk

University of Maastricht

NETHERLANDS

Diego Vazquez-Brust

Academic, Associate Dean, Associate Dean (Research and Innovation)

University of Portsmouth

UNITED KINGDOM

regina frei

Associate Professor

University of Southampton

UNITED KINGDOM

Jeroen Lauwaert

Professor at Ghent University

Ghent University

BELGIUM
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