Laveglia, Agustin (2024)
Towards Net-Zero and Carbon-Negative Transformations in Lime-Based Construction Materials.
Technische Universität Darmstadt
doi: 10.26083/tuprints-00026734
Ph.D. Thesis, Primary publication, Publisher's Version

Abstract

This doctoral thesis thoroughly explores the feasibility of attaining net-zero and carbon-negative transformations in lime-based construction materials, with a particular focus on masonry applications, employing advanced life-cycle assessment modelling.

The primary focus lies in the production stage, where the research seamlessly integrates circular economy practices, a transition towards eco-friendlier energy sources, and optimized production systems, leveraging innovative kiln technologies. By successfully implementing these decarbonization strategies throughout the entire life cycle, the study envisions scenarios in which lime-based rendering materials serve as a carbon sink during their service life, leading to carbon-negative transformations.

The research underscores the transformative nature of repositioning CO2 from a critical emission to a valuable by-product, presenting a notable competitive advantage for the lime industry. Supported by quantitative evidence, the thesis envisages a future where CO2 evolves into a valuable resource for green energy and sustainable products. To bring this vision to fruition, the thesis proposes a comprehensive action plan finely tuned to environmental objectives within the 2050 European Action Plan, specifically tailored for the lime-based building materials industry. This research not only provides essential insights into sustainable practices but also delineates a strategic roadmap for the lime sector to embrace a more environmentally conscious and economically viable future.

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