2025 SMSI Bannerklein

OT4.78 - Detection of SF6 in soundproof windows

Event
EUROSENSORS XXXVI
2024-09-01 - 2024-09-04
Debrecen (Hungary)
Band
Lectures
Chapter
OT4 - Physical Sensors and Actuators
Author(s)
H. F. Pernau, C. Basler, G. Stiefvater, J. Wöllenstein, K. Schmitt - Fraunhofer Institute (IPM), Freiburg (Germany)
Pages
69 - 70
DOI
10.5162/EUROSENSORSXXXVI/OT4.78
ISBN
978-3-910600-03-4
Price
free

Abstract

SF6 has a greenhouse effect 25,200 times greater than CO2 and was widely used as a gas in soundproof windows until 2006. In 2020, Germany was responsible for 55.3 % of SF6 emissions within the European Union. Without emissions from soundproof windows, this value could be reduced to 14.6%. Since the filling of most windows is unknown, a reliable detection method is required to identify SF6- filled windows to be able to safely extract and recycle the filling when disposing of them. In our study, we were able to identify LIBS (Laser-Induced Breakdown Spectroscopy) as the most promising technology for identifying filling gases in soundproof windows and show a way of what a mobile detection and recovery unit for SF6 could look like.

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