Projects per year
Abstract
Blueberry pruning waste (BPw), sourced as residues from agroforestry operations in Chile, was used to produce added-value products, including platform chemicals and materials. BPw fractionation was implemented using biobased solvents (gamma-valerolactone, GVL) and pyrolysis (500 degrees C), yielding solid fractions that are rich in phenols and antioxidants. The liquid fraction was found to be enriched in sugars, acids, and amides. Alongside, filaments and 3D-printed meshes were produced via wet spinning and Direct-Ink-Writing (DIW), respectively. For the latter purpose, BPw was dissolved in an ionic liquid, 1-ethyl-3-methylimidazolium acetate ([emim][OAc]), and regenerated into lignocellulose filaments with highly aligned nanofibrils (wide-angle X-ray scattering) that simultaneously showed extensibility (wet strain as high as 39%). BPw-derived lignocellulose filaments showed a tenacity (up to 2.3 cN dtex(-1)) that is comparable to that of rayon fibers and showed low light reflectance (R-ES factor
| Original language | English |
|---|---|
| Pages (from-to) | 3794-3804 |
| Number of pages | 11 |
| Journal | Green Chemistry |
| Volume | 24 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 10 May 2022 |
| MoE publication type | A1 Journal article-refereed |
Funding
This work was supported by the FinnCERES flagship program. GR acknowledges the contribution of UPM and support of the Academy of Finland's Flagship Program under Project Nos. 318890 and 318891 (Competence Center for Materials Bioeconomy, FinnCERES). GR, EP, and OJR are grateful for the support received from the ERC Advanced Grant Agreement No. 788489 ("BioElCell") and the Canada Excellence Research Chair Program (CERC-2018-00006), as well as the Canada Foundation for Innovation (Project number 38623). SAM is grateful for the support from Fondequip project EQM170077.The provision of facilities and technical support by Aalto University at OtaNano - Nanomicroscopy Center (Aalto-NMC) is also gratefully acknowledged. The coral testing in Mexico was funded with Patreon funds from Living Sea Sculpture.
Keywords
- LIGNOCELLULOSIC BIOMASS
- GAMMA-VALEROLACTONE
- BIO-OIL
- SUSTAINABLE PLATFORM
- IONIC LIQUID
- IONCELL-F
- SEPARATION
- PYROLYSIS
- ACID
- FRACTIONATION
Fingerprint
Dive into the research topics of 'Upcycling agro-industrial blueberry waste into platform chemicals and structured materials for application in marine environments'. Together they form a unique fingerprint.-
-: FinnCERES
Hämäläinen, J. (Principal investigator), Palasingh, C. (Project Member), Hellsten, S. (Project Member), Huynh, N. (Project Member), Witos, J. (Project Member), Hassinen, J. (Project Member), Lim, E. (Project Member), Zhao, B. (Project Member), Vlasova, M. (Project Member), Österberg, M. (Project Member), Henn, K. (Project Member), Nousiainen, P. (Project Member), Ahonen, L. (Project Member), Kimiaei, E. (Project Member), Truong, V. (Project Member), Lewicki, F. (Project Member), Vu-Lalli, V. (Project Member), Fang, W. (Project Member), Sharma, R. (Project Member), Ponomarev, N. (Project Member), Ikävalko, E. (Project Member), Kröger, M. (Project Member), Gustavsson, L. (Project Member), Kobets, A. (Project Member), Liu, C. (Project Member), Al Haj, Y. (Project Member), Joshi, A. (Project Member), Mennander, A. (Project Member), Phi, T.-L. (Project Member), De, S. (Project Member), Kokkonen, V. (Project Member), Mousavi, S. (Project Member), Kong, X. (Project Member), Makki, M. (Project Member), Meinander, K. (Project Member), Kalac, T. (Project Member), Tao, H. (Project Member), Kuribayashi, T. (Project Member), Jäntti, N. (Project Member), Seppälä, W. (Project Member) & Eklund, A. (Project Member)
01/05/2022 → 30/06/2026
Project: RCF Flagship
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BioELCell: Bioproducts Engineered from Lignocelluloses: from plants and upcycling to next generation materials
Rojas, O. (Principal investigator), Ressouche, E. (Project Member), Ajdary, R. (Project Member), Johansson, L.-S. (Project Member), Usai, L. (Project Member), Abidnejad, R. (Project Member), Tardy, B. (Project Member), Zhao, B. (Project Member), Greca, L. (Project Member), Bhattarai, M. (Project Member), Meng, Y. (Project Member), Majoinen, J. (Project Member), Zhu, Y. (Project Member), Klockars, K. (Project Member), Robertson, D. (Project Member), Reyes Torres, G. (Project Member), Kämäräinen, T. (Project Member), Dufau Mattos, B. (Project Member) & Zanjanizadeh Ezazi, N. (Project Member)
30/07/2018 → 31/07/2023
Project: EU: ERC grants
Equipment
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OtaNano - Nanomicroscopy Center
Seitsonen, J. (Manager) & Rissanen, A. (Other)
OtaNanoFacility/equipment: Facility