NEAR-INFRARED IDENTIFICATION AND SORTING OF POLYLACTIC ACID

نویسندگان

چکیده

Biobased plastics are often seen to be an environmentally friendly alternative conventional plastics, with their share, though being less now, is gradually increasing. This necessitates that the waste management of these possibly eco-friendly materials also at par growth. Near-infrared (NIR) sorting effective technology and already widely used for plastics. Thus, it would imperative analyse whether this existing infrastructure could successfully sort bioplastic. In present study, lab-scale NIR sensor-based system in Montanuniversität Leoben was polylactic acid (PLA) three sets experiments. First, spectra 7 were compared virgin PLA found has a distinct spectrum should ideally detected from mixed plastic fraction. Second, assessed different grades thicknesses samples produced there slight difference intensities without any wavelength shift recognizable peaks. Lastly, detection 10 product tested using recipe PLA. It observed blown out as all conducted trials. Additionally, appropriate backlight setting important able correctly transparent products chute-type sorter.

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ژورنال

عنوان ژورنال: Detritus

سال: 2022

ISSN: ['2611-4127', '2611-4135']

DOI: https://doi.org/10.31025/2611-4135/2022.15216