GRK 2802: IMPACT OF SUSTAINABLE BINDERS BASED ON LIGNIN AND COLLAGEN ON THE VOLUME STABILITY AND MECHANICAL PROPERTIES OF MgO-C RECYCLATES
References to related material | https://doi.org/10.1002/adem.202502889 | |
Type of the data | Dataset | |
Type of the data | Image | |
Total size of the dataset | 21353172 | |
Author | Stadtmüller, Till Manon Jannis | |
Author | Kerber, Florian | |
Author | Moritz, Kirsten | |
Author | Dudczig, Steffen | |
Author | Kraushaar, Konstantin | |
Author | Schemmel, Thomas | |
Author | Hubálková, Jana | |
Author | Gehre, Patrick | |
Author | Aneziris, Christos G. | |
Upload date | 2026-09-21T15:16:57Z | |
Publication date | 2026-09-21T15:16:57Z | |
Publication date | 2026-09-21 | |
Abstract of the dataset | This study investigates sustainable binders based on lignin and collagen hydrolysate as substitutes for conventional binders in MgO-C refractories, with a particular focus on volume stability after thermal treatments. Collagen hydrolysate undergoes thermally induced decomposition of peptide chains while simultaneously forming a cross-linked network, accompanied by the release of H2O, CO2, and NH3. During coking, this network forms a partially ordered carbon network that provides high oxidation resistance, bulk density, and strength of the MgO-C material both at room and elevated temperatures, comparable to reference samples bonded by a conventional mixed binder based on novolak and Carbores P. However, the combination of gas formation and cross-linking leads, in small laboratory samples, to a volume increase without structural damage. In large-format bricks the longer diffusion paths cause an increase of internal gas pressure, resulting in macroscopic cracking. The variation of the graphite grade, the partial replacement of virgin fused MgO and graphite with MgO-C recyclate, and lignin addition reveals that porous channels facilitate gas release and thereby significantly improve volume stability. | |
Public reference to this page | https://opara.zih.tu-dresden.de/handle/123456789/2911 | |
Publisher | Technische Universität Bergakademie Freiberg | |
Specification of the discipline(s) | 4::43 | |
Title of the dataset | GRK 2802: IMPACT OF SUSTAINABLE BINDERS BASED ON LIGNIN AND COLLAGEN ON THE VOLUME STABILITY AND MECHANICAL PROPERTIES OF MgO-C RECYCLATES | |
Project abstract | The focus of the doctoral research project P1 within the research training group GRK2802 was on the functionalization of sustainable binders as alternatives to conventional binders, with particular emphasis on collagen and lignin. In addition, the influence and interaction of MgO-C recyclates on sustainable MgO-C grades were investigated, with MgO-C recyclate contents of up to 47.5 wt.-%. In order to develop competitive and industrially applicable sustainable MgO-C types, suitable additives were employed to improve material properties, with a special focus on enhancing oxidation resistance and mechanical properties. | |
Funding Acknowledgement | The dataset was generated within the framework of the Research Training Group GRK 2802 (project ID: 461482547) funded by the German Research Foundation (DFG). | |
Public project website(s) | https://tu-freiberg.de/en/research/grk2802 | |
Project title | GRK2802_P1_Functionalization of Bio-Based Binders for Sustainable MgO-C Refractory Bricks with Recyclate Content |