Abstract
Raman spectroscopy has potential for application to waste plastic recycling when large-scale, accurate sorting processes are required. We developed a high-speed Raman identifier with a 3-ms measuring time. This identifier was successfully integrated with an on-line sorting system in a shredded plastic recycling plant. A practical-scale (200–600 kg/h) demonstration facility was constructed with 50 Raman apparatuses on a 30-cm-wide conveyor (speed: 100 m/min). This facility included preprocessing using specific gravity classification and putty removal. The Raman identification system was used to control air jets to sort polypropylene, polystyrene and acrylonitrile-butadiene-styrene copolymer with high accuracy from shredded plastics from post-consumer electrical appliances. Raman plastic identification can also provide solutions to problems at recycling sites such as the detection of brominated flame-retardants and the identification of black plastics.
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Lazarevica D, Aoustin E, Buclet N, Brandt N (2010) Plastic waste management in the context of a European recycling society: comparing results and uncertainties in a life cycle perspective. Resour Conservat Recycl 55:246–259
Dodbiba G, Takahashi K, Sadaki J, Fujita T (2006) The recycling of plastic wastes from discarded TV sets: comparing energy recovery with mechanical recycling in the context of life cycle assessment. J Clean Prod 16:458–470
Qu X, Stuart Williams JA, Grant ER (2006) Viable plastics recycling from end-of-life electronics. IEEE Trans Electron Packag Manuf 29:25–31
Anzano J, Casanova ME, Bermúdez MS, Lasheras RJ (2006) Rapid characterization of plastics using laser-induced plasma spectroscopy. Polymer Test 25:623–627
http://www.pellencst.com/en/21/les-systemes-de-detection. Accessed 25 Jun 2012
http://www.iosys-seidel.de/en/mirogun.html. Accessed 25 Jun 2012
Allen V, Kalivas JH, Rodriguez R (1999) Post-consumer plastic identification using Raman spectroscopy. Appl Spectrosc 53:672–681
Sommer EJ, Rich JT (2001) Application of Raman spectroscopy to identification and sorting of post-consumer plastics for recycling. US Patent 6,313,423
Naka J, Tanimura J, Hirano N, Kinugawa M, Sirouzu T (2008) Detection method of Br in polymers and sorting apparatus. Japan Patent JP-A-2008-126892
Acknowledgements
This work was supported by Grant-in-Aid for Scientific Research (B) 22510092. The authors have received financial support from The Ministry of Economy, Trade and Industry of Japan.
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Kawazumi, H., Tsuchida, A., Yoshida, T., Tsuchida, Y. (2014). High-Performance Recycling System for Waste Plastics Using Raman Identification. In: Dincer, I., Midilli, A., Kucuk, H. (eds) Progress in Sustainable Energy Technologies Vol II. Springer, Cham. https://doi.org/10.1007/978-3-319-07977-6_34
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DOI: https://doi.org/10.1007/978-3-319-07977-6_34
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