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.
- 1 Similar Profiles
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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Circular use of plastics in open field and horticulture
Post, W., Alvarado Chacon, F., van der Zee, M., Thoden van Velzen, U., Van Nguyen, V., Barouta, D., Workala, Y., Kuijpers, B., Zijlstra, M. & Boedijn, A., 2025, Wageningen: Wageningen University & Research. 53 p.Research output: Book/Report › Report › Professional
Open Access -
Efficient Recycling of PET-PE Multilayer Packaging Materials Based on Enzymatic Depolymerization of PET
van Vliet, D. M., Mateman, J. J., van de Vondervoort, R. H. A. M., Moers, A. P. H. A., Collazo, L., Werten, M. W. T., Thiyagarajan, S., Thoden van Velzen, E. U., Tamayo-Ramos, J. A., Julsing, M. K. & Ewing, T. A., 2025, In: ACS Sustainable Chemistry and Engineering. 13, 22, p. 8212-8219Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Unlocking the biobased future: Investigating recycling lock‑ins and corporate power in the adoption of biobased food packaging
Aramyan, L., Thoden van Velzen, E. U., Herceglic, N., Splinter, G. M. & Susa, A., 7 Apr 2025, (E-pub ahead of print) In: Environmental Economics and Policy Studies. 39 p.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Verplichte inzet van recyclaat in kunststofverpakkingen
Thoden van Velzen, E. U., Smeding-Zuurendonk, I. W. & Ruhl, R., 10 Mar 2025, In: Voedingsindustrie : vakblad.Research output: Contribution to journal › Article › Professional
Open Access -
Effect van het toevoegen van zuivelflessen op het statiegeldsysteem: Presentatie van onderzoeksresultaten
Thoden van Velzen, U., 2024, Wageningen: Wageningen Food & Biobased Research. 104 p. (Report / Wageningen Food & Biobased Research; no. 2698)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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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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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
Activities
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Towards food-grade recycling of plastic packages, understanding contamination pathways
Thoden van Velzen, U. (Invited speaker)
22 Jan 2025Activity: Talk/presentation/lecture › Oral presentation › Academic
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Seminar duurzaam verpakken voor de voedings- en verpakkingsindustrie
Kühlkamp, A. (Organiser) & Thoden van Velzen, U. (Organiser)
11 Mar 2025Activity: Participating in or organising an event › Participation in or organising a workshop, seminar, course › Professional
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Recycling van kunststoffen
Thoden van Velzen, U. (Speaker)
16 Apr 2025Activity: Talk/presentation/lecture › Oral presentation › Professional
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Bron- of nascheiden?
Thoden van Velzen, U. (Speaker)
4 Mar 2025Activity: Talk/presentation/lecture › Lecture/seminar/webinar › Professional
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Het belang van circulaire en biobased economie, waarin duurzame verpakkingen een belangrijke rol spelen
Thoden van Velzen, U. (Speaker)
11 Mar 2025Activity: Talk/presentation/lecture › Oral presentation › Professional
Press/Media
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Geen flesjes met shampoo meer in hotels, minder folie om groenten
17/12/24
1 Media contribution
Press/Media: Expert Comment › Popular
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Geen shampooflesjes meer in hotels, minder folie om groenten: dit zijn de gevolgen van de nieuwe EU-verpakkingsregels
17/12/24
1 Media contribution
Press/Media: Expert Comment › Popular
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Geen shampooflesjes meer in hotels, minder folie om groenten: dit zijn de gevolgen van de nieuwe EU-verpakkingsregels
17/12/24
1 Media contribution
Press/Media: Expert Comment › Popular
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Packaging food with recycled plastic: plastic recycling
Thoden van Velzen, U. & van Leeuwen, E.
10/12/24 → 11/12/24
2 Media contributions
Press/Media: Research › Professional
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Ook gerecycled plastic komt nu uit Azië
5/11/24
1 Media contribution
Press/Media: Expert Comment › Popular
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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), Chen, W.-S. (Co-promotor), Thoden van Velzen, U. (Co-promotor) & van Leeuwen, J. (Co-promotor)
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