Valorization Strategies in CO2 Capture: A New Life for Exhausted Silica-Polyethylenimine Article Swipe
Irene Coralli
,
Demetra Giuri
,
Lorenzo Spada
,
Jacopo Ortolani
,
Laura Mazzocchetti
,
Claudia Tomasini
,
Lee A. Stevens
,
Colin E. Snape
,
Daniele Fabbri
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/ijms241914415
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/ijms241914415
The search for alternative ways to give a second life to materials paved the way for detailed investigation into three silica-polyethylenimine (Si-PEI) materials for the purpose of CO2 adsorption in carbon capture and storage. A solvent extraction procedure was investigated to recover degraded PEIs and silica, and concomitantly, pyrolysis was evaluated to obtain valuable chemicals such as alkylated pyrazines. An array of thermal (TGA, Py-GC-MS), mechanical (rheology), and spectroscopical (ATR-FTIR, 1H-13C-NMR) methods were applied to PEIs extracted with methanol to determine the relevant physico-chemical features of these polymers when subjected to degradation after use in CO2 capture. Proxies of degradation associated with the plausible formation of urea/carbamate moieties were revealed by Py-GC-MS, NMR, and ATR-FTIR. The yield of alkylpyrazines estimated by Py-GC-MS highlighted the potential of exhausted PEIs as possibly valuable materials in other applications.
Related Topics
Concepts
Polyethylenimine
Chemistry
Pyrolysis
Polymer
Fourier transform infrared spectroscopy
Degradation (telecommunications)
Thermogravimetric analysis
Methanol
Extraction (chemistry)
Yield (engineering)
Solvent
Adsorption
Chemical engineering
Organic chemistry
Materials science
Computer science
Transfection
Metallurgy
Engineering
Gene
Telecommunications
Biochemistry
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/ijms241914415
- https://www.mdpi.com/1422-0067/24/19/14415/pdf?version=1695357122
- OA Status
- gold
- Cited By
- 5
- References
- 61
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4386963722
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4386963722Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/ijms241914415Digital Object Identifier
- Title
-
Valorization Strategies in CO2 Capture: A New Life for Exhausted Silica-PolyethylenimineWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
-
2023-09-22Full publication date if available
- Authors
-
Irene Coralli, Demetra Giuri, Lorenzo Spada, Jacopo Ortolani, Laura Mazzocchetti, Claudia Tomasini, Lee A. Stevens, Colin E. Snape, Daniele FabbriList of authors in order
- Landing page
-
https://doi.org/10.3390/ijms241914415Publisher landing page
- PDF URL
-
https://www.mdpi.com/1422-0067/24/19/14415/pdf?version=1695357122Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
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https://www.mdpi.com/1422-0067/24/19/14415/pdf?version=1695357122Direct OA link when available
- Concepts
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Polyethylenimine, Chemistry, Pyrolysis, Polymer, Fourier transform infrared spectroscopy, Degradation (telecommunications), Thermogravimetric analysis, Methanol, Extraction (chemistry), Yield (engineering), Solvent, Adsorption, Chemical engineering, Organic chemistry, Materials science, Computer science, Transfection, Metallurgy, Engineering, Gene, Telecommunications, BiochemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
5Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 3, 2024: 1, 2023: 1Per-year citation counts (last 5 years)
- References (count)
-
61Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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