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Proceedings Paper

Detection of fire protection and mineral glasses in industrial recycling using Raman mapping spectroscopy
Author(s): Martin De Biasio; Thomas Arnold; Gerald McGunnigle; Martin Kraft; Raimund Leitner; Dirk Balthasar; Volker Rehrmann
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Paper Abstract

Recycling of glass requires the removal of specialist glasses, such as fireproof and mineral glasses, and glass ceramics, which are regarded as contaminants. The sorting must take place before melting for efficient glass recycling. Here, we demonstrate the feasibility of a real-time Raman mapping system for detecting and discriminating a range of industrially relevant glass contaminants in recovered glass streams. The components used are suitable for industrial conditions and the chemometric model is robust against imaging geometry and excitation intensity. The proposed approach is a novel alternative to established glass sorting sensors.

Paper Details

Date Published: 12 May 2011
PDF: 8 pages
Proc. SPIE 8032, Next-Generation Spectroscopic Technologies IV, 80320H (12 May 2011); doi: 10.1117/12.884462
Show Author Affiliations
Martin De Biasio, Carinthian Tech Research AG (Austria)
Thomas Arnold, Carinthian Tech Research AG (Austria)
Gerald McGunnigle, Carinthian Tech Research AG (Austria)
Martin Kraft, Carinthian Tech Research AG (Austria)
Raimund Leitner, Carinthian Tech Research AG (Austria)
Dirk Balthasar, Titech GmbH (Germany)
Volker Rehrmann, Titech GmbH (Germany)

Published in SPIE Proceedings Vol. 8032:
Next-Generation Spectroscopic Technologies IV
Mark A. Druy; Richard A. Crocombe, Editor(s)

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