Recycling of waste automotive laminated glass and valorization of polyvinyl butyral through mechanochemical separation

Environmental Research
Basudev SwainChan Gi Lee

Abstract

Due to strong binding, optical clarity, adhesion to many surfaces, toughness and flexibility polyvinyl butyral (PVB) resin films are commonly used in the automotive and architectural application as a protective interlayer in the laminated glass. Worldwide million tons of PVB waste generated from end-of-life automotive associated with various environmental issues. Stringent environmental directive, higher land cost eliminates land filling option, needs a study, we have developed a mechanochemical separation process to separate PVB resins from glass and characterized the separated PVB through various techniques, i.e., scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS), infrared spectroscopy (IR) and nuclear magnetic resonance spectroscopy (NMR). Commercial nonionic surfactants D201 used for the mechanochemical separation purpose. Through parameter optimization following conditions are considered to be the optimum condition; 30v ol% D201, stirring speed of 400 rpm, 35 °C temperature, operation time 1h, and dilute D201 volume to waste automotive laminated glass weight ratio of ≈25. The technology developed in our laboratory is sustainable, environmentally friendly, techno-economical feasible process, cap...Continue Reading

References

Mar 2, 2005·Waste Management·M P LudaM Zanetti
Jul 7, 2009·Waste Management·S M Al-SalemJ Baeyens
Jan 1, 2013·Waste Management·Bin HuGiuseppe Bonifazi
Jul 6, 2014·Waste Management·Jonathan MitchellChristopher Cheeseman
Apr 15, 2015·Waste Management·Chong-qing WangYou-nian Liu

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Citations

Feb 15, 2018·Environmental Science and Pollution Research International·Süreyya MericAtakan Ongen
Jan 29, 2021·Journal of the Air & Waste Management Association·Mahdi FarzadkiaQadir Ashournejad

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