Research output per year
Research output per year
Personal profile
Education/Academic qualification
Doctoral degree, Engineering and Technology, LUT University
Award Date: 31 Dec 2013
Master's degree, Engineering and Technology, LUT University
Award Date: 19 Dec 2008
Bachelor's degree, Engineering and Technology, LUT University
Award Date: 18 Jun 2008
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 12 Responsible Consumption and Production
Fingerprint
Dive into the research topics where Sanna Hellsten 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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Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process
Sixta, H. (Inventor), Elsayed, S. (Inventor), Schlapp-Hackl, I. (Inventor), Witos, J. (Inventor), Hellsten, S. (Inventor), Uusi-Kyyny, P. (Inventor), Hummel, M. (Inventor) & Alopaeus, V. (Inventor), 30 Dec 2025, IPC No. C08J5/18, D01F13/02, D01F2/02, D01F13/00, Patent No. US12509801B2, 19 May 2021, Priority date 19 May 2020, Priority No. FI20200005500 20200519Research output: Patent
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Erratum: Recycling of Superbase-Based Ionic Liquid Solvents for the Production of Textile-Grade Regenerated Cellulose Fibers in the Lyocell Process (ACS Sustainable Chem. Eng. (2020) 8:37 (14217−14227) DOI: 10.1021/acssuschemeng.0c05330)
Elsayed, S., Helminen, J., Hellsten, S., Guizani, C., Witos, J., Rissanen, M., Rantamaki, A. H., Hyvari, P., Varis, P., Wiedmer, S. K., Kilpelainen, I. & Sixta, H., 14 Dec 2020, In: ACS Sustainable Chemistry & Engineering. 8, 49, p. 18345-18345 1 p., 18345.Research output: Contribution to journal › Comment/debate › Scientific › peer-review
Open Access4 Citations (Scopus) -
Limitations of Cellulose Dissolution and Fiber Spinning in the Lyocell Process Using [mTBDH][OAc] and [DBNH][OAc] Solvents
Elsayed, S., Viard, B., Guizani, C., Hellsten, S., Witos, J. & Sixta, H., 11 Nov 2020, In: Industrial and Engineering Chemistry Research. 59, 45, p. 20211-20220 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
27 Citations (Scopus) -
Quantitative Raman spectroscopy for the Ioncell (TM) process. Part 1 : comparison of univariate and multivariate calibration methods for the quantification of water and protic ionic liquid components
Guizani, C., Hellsten, S., Witos, J. & Sixta, H., 1 Jan 2020, In: Cellulose. 27, 1, p. 157-170 14 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Citations (Scopus)130 Downloads (Pure) -
Quantitative Raman spectroscopy for the Ioncell® process Part 2—quantification of ionic liquid degradation products and improvement of prediction performance through interval PLS
Guizani, C., Hellstén, S., Witos, J., Mäkelä, M., Hummel, M. & Sixta, H., Nov 2020, In: Cellulose. 27, 17, p. 9813-9824 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Citations (Scopus)172 Downloads (Pure)
Projects
- 6 Finished
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-: FinnCERES jatko II
Hämäläinen, J. (Principal investigator), Pirinen, L. (Project Member), Khanam, D. A. (Project Member), Velasco, J. (Project Member), Fiorella de Freitas, V. (Project Member), Ahmmed, G. (Project Member), Qie, R. (Project Member), Kerr, A. (Project Member), Nekoueian, K. (Project Member), Sajib, M. (Project Member), Real de Almeida, M. (Project Member), Leppänen, J. (Project Member), Chandra, S. (Project Member), Chiapponi, V. (Project Member), Ferrer Pascual, L. (Project Member), Vapaavuori, J. (Project Member), Hanhisalo, A. (Project Member), Mironova, A. (Project Member), Neves de Amorim, A. (Project Member), Sun, M. (Project Member), Vlasova, M. (Project Member), Ponomarev, N. (Project Member), Lauri, V. (Project Member), Hellsten, S. (Project Member), Witos, J. (Project Member), Nguyen, A. (Project Member), Sharma, R. (Project Member), Diment, D. (Project Member), Nousiainen, P. (Project Member), Tao, H. (Project Member), Zhao, B. (Project Member), Kobets, A. (Project Member), Ikävalko, E. (Project Member), Österberg, M. (Project Member), Perera, C. (Project Member), Valle Delgado, J. (Project Member), Liu, C. (Project Member), Solihat, N. (Project Member) & Thomas, N. (Project Member)
01/01/2025 → 31/07/2026
Project: RCF Flagship
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-: 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) & Gebeyehu, E. K. (Project Member)
01/05/2022 → 30/06/2026
Project: RCF Flagship
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SolvRec: Technical development of Ioncell-F with special emphasis on the solvent recycling
Sixta, H. (Principal investigator), Revitzer, H. (Project Member), Katajainen, L. (Project Member), Hellsten, S. (Project Member), Soili, H. (Project Member), Rissanen, M. (Project Member), Elsayed, S. (Project Member), Ojha, K. (Project Member) & Vinkvist, N. (Project Member)
01/07/2017 → 31/12/2019
Project: Business Finland: Other research funding
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TeKiDe: Tekstiilikuitujen kierrätyksen demonstraatioalusta Bioruukkiin
Sixta, H. (Principal investigator) & Hellsten, S. (Project Member)
01/01/2017 → 31/12/2018
Project: EU: Other research funding
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1.3.2-319 2017-04 IonCell-F
Oinas, P. (Principal investigator), Pastinen-Kurula, H. (Project Member) & Hellsten, S. (Project Member)
01/12/2016 → 31/05/2017
Project: EU: Framework programmes funding
Prizes
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DIA Design Intelligence Award, China
Kääriäinen, P. (Recipient), Sixta, H. (Supervising professor) & Hellsten, S. (Recipient), 8 May 2018
Prize: Invitation or ranking in competition
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Recycling of Ionic Liquid in the Cellulose Fibre Spinning
Hellsten, S. (Speaker)
31 Aug 2017Activity: Talk or presentation types › Conference presentation
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Foreign Organisation
Hellsten, S. (Visiting researcher)
1 May 2016 → 13 May 2016Activity: Visiting an external institution types › Visiting an external academic institution
Press/Media
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Recycling and Spinning of Superbase-Based Ionic Liquid Solutions in the Lyocell Process: Potential and Limitations
02/03/2021
1 item of Media coverage
Press/Media: Media appearance
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Gamla lakan och pappersavfall kan bli nya kläder i Aaltos prisbelönta projekt
10/01/2019
1 item of Media coverage
Press/Media: Media appearance
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Liukosellun tekijät jännittävät miten Jenni Haukion iltapuku laskeutuu
01/12/2018
1 item of Media coverage
Press/Media: Media appearance
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Sellua sovitetaan tekstiilialan pelastajaksi - "Suomi voisi kaapata kolmanneksen miljardien markkinasta"
26/05/2018
1 item of Media coverage
Press/Media: Media appearance