The New Techpap NIR Spectroscopy for Recycled Bale Inspection, 2007 TAPPI 8th Research Forum on Recycling

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This paper sums up all the different steps broached in the MONITOR project, for the development of a new sensor, based on NIR spectrometry, for the direct control at delivery of recovered paper bales in term of moisture, unusable materials and grade (according to EN643).

The NIR spectroscopy technique has been studied and implemented using a mobile spectrometer device and different optical materials. In add, methods, based on statistical data analysis (in particular PLS regressions), have been investigated.