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Carbon Negative Biochar-based Building Insulation Materials (CarNe)

Description

This research project proposes the development of bio-based, carbon negative building insulation material building upon a successful previous feasibility study. The material development is based on the use of organic waste material which is further processed using natural binders and a subsequent carbonization step. Beyond the mere tuning and upscaling of the insulation material to macro-scale insulation boards the project systematically screens for potential raw materials, evaluating their availability as well as eventual competition with other uses.

Further, a full cradle-to-grave analysis of the insulation material is being performed, identifying the carbon dioxide removal potential along with the environmental impact with reference to standard fossil-based insulation materials. Research is carried out in an interdisciplinary team including experts in the domain of building application, material science, chemistry and life cycle assessment.

Key Data

Project team

Dr. Hanna Kröhnert, Dr. Hans-Joachim Nägele, Michèle Nathalie Senn, Matthias Stucki, Dr. Jannis Wernery

Project partners

Eidgenössische Materialprüfungs- und Forschungsanstalt EMPA

Project status

completed, 11/2022 - 11/2023

Funding partner

Bundesamt für Energie BFE / Projekt Nr. SI/502522