Life Cycle Assessment of Composites Additive Manufacturing Using Recycled Materials

被引:7
作者
Chatzipanagiotou, Konstantina-Roxani [1 ]
Antypa, Despoina [1 ]
Petrakli, Foteini [1 ]
Karatza, Anna [2 ]
Pikon, Krzysztof [3 ]
Bogacka, Magdalena [3 ]
Poranek, Nikolina [3 ]
Werle, Sebastian [3 ]
Amanatides, Eleftherios [4 ]
Mataras, Dimitrios [4 ]
Koumoulos, Elias P. [1 ]
机构
[1] IRES Innovat Res & Engn Solut, Rue Koningin Astridlaan 59B, B-1780 Wemmel, Belgium
[2] BioG3D PC, 1 Lavriou Str,Technol & Cultural Pk Lavrion, Lavrion 19500, Greece
[3] Silesian Tech Univ, Fac Energy & Environm Engn, PL-44100 Gliwice, Poland
[4] Univ Patras, Dept Chem Engn, Plasma Technol Lab, GR-26504 Patras, Greece
关键词
additive manufacturing; life cycle assessment; carbon fiber; recycled materials; solvolysis; ENVIRONMENTAL IMPACTS; CARBON-FIBERS; RECOVERY; PLASMA;
D O I
10.3390/su151712843
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Additive manufacturing (AM) of composite materials is promising to create customizable products with enhanced properties, utilizing materials like carbon fibers (CFs). To increase their circularity, composite recycling has been proposed to re-introduce the recovered components in AM. A careful evaluation of recycling is necessary, considering the sustainability and functionality (i.e., mechanical properties) of the recovered components. Thus, Life Cycle Assessment (LCA) is applied to estimate the environmental impacts of AM via Fused Filament Fabrication (FFF), using virgin or recycled CFs via solvolysis at a laboratory scale. This study aims to provide a detailed Life Cycle Inventory (LCI) of FFF and evaluate the sustainability of using recycled CFs in AM. For both virgin CF manufacturing and CF recycling, electricity consumption was the main contributor to environmental impacts. CF recovery via solvolysis resulted in lower impacts across most impact categories compared to AM with virgin CFs. Different scenarios were examined to account for the mechanical properties of recycled CFs. AM with 75% recycled CFs, compared to 100% virgin CFs undergoing landfilling, resulted in over 22% reduction in climate change potential, even after a 50% loss of recycled CF functionality. Overall, this study offers insights into the LCI of FFF and shows that CF recycling from composites is worth pursuing.
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页数:18
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