Research output per year
Research output per year
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Dive into the research topics where Ulphard Thoden van Velzen is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Duurzaam verpakken: Wetenschappelijke kennis vertaald voor de praktijk
Thoden van Velzen, U., Ruhl, R. & Brouwer, M., 19 Mar 2026, Wageningen: Wageningen University & Research. 107 p.Research output: Book/Report › Report › Professional
Open Access -
Multi-Criteria Decision Analysis for Mechanical Recyclability Assessment of Different Types of PET Packaging Waste
Santomasi, G., Todaro, F., Notarnicola, M. & Thoden van Velzen, E. U., 28 Apr 2026, In: Polymers. 18, 9, p. 1-20 1063.Research output: Contribution to journal › Article › Academic › peer-review
Open Access1 Link opens in a new tab Citation (Scopus) -
Quickscan inzamelwijze drankflessen in Nederland: Focus op zuivel
Thoden van Velzen, U. & Smeding, I., 2026, Wageningen: Wageningen Food & Biobased Research. 43 p. (Rapport / Wageningen Food & Biobased Research; no. 2799)Research output: Book/Report › Report › Professional
Open Access -
Recycling mixed plastic materials by selective enzymatic hydrolysis
van Vliet, D. M., Mateman, J. J., van de Vondervoort, R. H. A. M., Moers, A. P. H. A., Collazo, L., Mencher, A., Werten, M. W. T., Thiyagarajan, S., Cordes, A., Sonnendecker, C., Thoden van Velzen, E. U., Domenech-Mata, R., Tamayo-Ramos, J. A., Julsing, M. K. & Ewing, T. A., 22 Sept 2026.Research output: Contribution to conference › Abstract
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The enduring value of metals : a scientific assessment of the properties of rigid metal packaging
Thoden van Velzen, U., Apr 2026, Wageningen: Wageningen Food & Biobased Research. 13 p. (Report / Wageningen Food & Biobased Research; no. 2811)Research output: Book/Report › Report › Professional
Open Access
Datasets
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The impact of collection portfolio expansion on key performance indicators of the Dutch recycling system for Post-Consumer Plastic Packaging Waste, a comparison between 2014 and 2017
Brouwer, M. (Creator), Picuno, C. (Creator) & Thoden van Velzen, U. (Creator), Wageningen University & Research, 17 Sept 2019
DOI: 10.17632/djj6fmbjzs
Dataset
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Separate collection of lightweight packages by 21 individual Dutch households in 2017
Thoden van Velzen, U. (Creator) & Brouwer, M. (Creator), Wageningen University & Research, 15 Apr 2019
DOI: 10.17632/wm4zfwkgzr
Dataset
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Plastic beverage bottles without a deposit on the Dutch market
Thoden van Velzen, U. (Creator) & Smeding-Zuurendonk, I. (Creator), Wageningen University & Research, 22 Jan 2026
DOI: 10.17632/84747xxmnc
Dataset
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Volatile organic compounds in Dutch HDPE milk bottles
Teunissen, W. (Creator), Workala, Y. (Creator), Smeding-Zuurendonk, I. (Creator) & Thoden van Velzen, U. (Creator), Wageningen University & Research, 15 May 2024
DOI: 10.17632/zw6b76yk7x
Dataset
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Volatile organic compounds identified in Dutch fresh cheese cups made from polypropylene
Teunissen, W. (Creator), Workala, Y. (Creator), Smeding-Zuurendonk, I. (Creator) & Thoden van Velzen, U. (Creator), Wageningen University & Research, 27 Mar 2026
Dataset
Activities
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Design-for-food-grade-recycling
Thoden van Velzen, U. (Speaker) & Smeding-Zuurendonk, I. (Contributor)
10 Mar 2026Activity: Talk/presentation/lecture › Oral presentation › Professional
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Design for food grade recycling
Thoden van Velzen, U. (Speaker)
16 Jul 2026Activity: Talk/presentation/lecture › Oral presentation › Professional
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Current developments in recycling and why they are concerning
Thoden van Velzen, U. (Speaker)
9 Feb 2026 → 10 Feb 2026Activity: Talk/presentation/lecture › Oral presentation › Professional
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Design for food grade recycling
Thoden van Velzen, U. (Speaker)
11 Jun 2026Activity: Talk/presentation/lecture › Oral presentation › Professional
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Mechanical recycling of PLA-based food packaging
Thoden van Velzen, U. (Speaker) & Smeding-Zuurendonk, I. (Speaker)
22 Sept 2026 → 24 Sept 2026Activity: Talk/presentation/lecture › Oral presentation › Professional
Press/Media
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Tussen Recyclass-score en recyclingpraktijk gebeurt veel
30/04/26
1 Media contribution
Press/Media: Research › Professional
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Bedrukking is de grootste vervuiler in recyclaat
22/04/26
1 Media contribution
Press/Media: Research › Professional
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De industrie moet de kop uit het zand halen
16/04/26
1 Media contribution
Press/Media: Research › Professional
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Blijf niet (af)wachten; begin nú! : retail meets foodindustrie
27/02/26
1 Media contribution
Press/Media: Expert Comment › Professional
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SUR-PLAS-path: co-create sustainable & renewable plastic transition pathways with stakeholders via developing and applying a novel transition design and multi-impact assessment tool
van Lith, Y. (PhD candidate), Strik, D. (Promotor), van Leeuwen, J. (Promotor), Chen, W.-S. (Co-promotor), Thoden van Velzen, U. (Co-promotor) & Brouwer, M. (Other)
1/09/22 → …
Project: PhD
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Biologisch afbreekbare verpakkingen: op stap naar toepassing (BO-12.09-002-005)
Thoden van Velzen, U. (Project Leader)
1/01/10 → 31/12/10
Project: LVVN project
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Milieueffecten biologisch afbreekbare verpakkingen (BO-04-006-138)
Thoden van Velzen, U. (Project Leader)
1/01/09 → 31/12/09
Project: LVVN project
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Biologisch Afbreekbare verpakkingen (BO-04-006-020)
Thoden van Velzen, U. (Project Leader)
1/01/08 → 31/12/08
Project: LVVN project