| Title | Increased CO2 fixation and reduced embodied energy of mycelium bio-composite materials grown on a mixed substrate over diurnal temperature cycles |
|---|---|
| ID_Doc | 24227 |
| Authors | Livne, A; Pearlmutter, D; Gal, E; Wösten, HAB |
| Title | Increased CO2 fixation and reduced embodied energy of mycelium bio-composite materials grown on a mixed substrate over diurnal temperature cycles |
| Year | 2024 |
| Published | |
| Abstract | There is a pressing need for alternative construction materials that can facilitate the transition to a sustainable circular economy. Mycelium-based bio-composites are an example of such materials. They have a low embodied energy compared to concrete-based materials and commercial thermal insulators, and act as a net CO2 sink. So far, mycelium materials have been produced using homogenous substrates and by growing at a fixed temperature. Growth at a fixed temperature accounts for 73% of the embodied energy and more than 40% of the CO2 emissions. Here, mycelium bio-composites were grown using temperature cycles mimicking ambient temperature conditions during an Israeli transition season or a summer day in the Netherlands without impacting material qualities or time of production. These results verify a possible strategy to dramatically reduce energetic and CO2 cost of mycelium materials fabrication, and the findings imply that monolithic structures can be grown in situ at outdoor construction sites. The use of mixed substrates allows a wide range of final properties that can be tuned by the composition. Also, thermal conductivity values as low as 0.026 W m-1 K-1 were obtained by growing the mycelium bio-composite on mixed or homogenous substrates. These results show that mycelium materials with superior thermal insulation properties can be grown at ambient temperature using mixed as well as homogenous waste streams. |
Similar Articles
| ID | Score | Article |
|---|---|---|
22574
|
Livne, A; Wösten, HAB; Pearlmutter, D; Gal, E Fungal Mycelium Bio-Composite Acts as a CO2-Sink Building Material with Low Embodied Energy(2022)Acs Sustainable Chemistry & Engineering, 10.0, 37 | |
| 12748
|
Alaux, N; Vasatko, H; Maierhofer, D; Saade, MRM; Stavric, M; Passer, A Environmental potential of fungal insulation: a prospective life cycle assessment of mycelium-based composites(2024)International Journal Of Life Cycle Assessment, 29.0, 2 | |
| 16925
|
Muiruri, JK; Yeo, JCC; Zhu, Q; Ye, EY; Loh, XJ; Li, ZB Sustainable Mycelium-Bound Biocomposites: Design Strategies, Materials Properties, and Emerging Applications(2023)Acs Sustainable Chemistry & Engineering, 11, 18 | |
| 3473
|
Globa, A; Lee, R; Bram-Billa, A WASTE NOT: BUILDING MATERIALS FOR A SUSTAINABLE FUTURE Implementation of circular economy and living mycelium materials for architecture(2024) | |
| 9121
|
Saglam, SS; Özgünler, SA Production Of Mycelium-Based Composite Materials And Evaluation Of Thermal Insulation Performance(2024)Journal Of Green Building, 19.0, 2 | |
| 24029
|
Derme, T; Schwarze, FWMR; Dillenburger, B Understanding the Role of Controlled Environments for Producing Mycelium-bound Composites: Advancing Circular Practices for Integrating Biotechnology into the Construction Industry(2024)Global Challenges, 8, 7 | |
| 7994
|
Brudny, K; Lach, M; Kozub, B; Korniejenko, K Development of fungal biocomposites for construction applications(2024)Materialwissenschaft Und Werkstofftechnik, 55, 5 | |
| 8935
|
Girometta, C; Picco, AM; Baiguera, RM; Dondi, D; Babbini, S; Cartabia, M; Pellegrini, M; Savino, E Physico-Mechanical and Thermodynamic Properties of Mycelium-Based Biocomposites: A Review(2019)Sustainability, 11.0, 1 |