METHOD AND DEVICE FOR DETECTING LEAD-CONTAINING GLASS PIECES

摘要

The invention relates to a method and an apparatus for detecting leaded pieces of glass in a single-layer material flow of objects composed predominantly of waste glass, with the objects being irradiated with substantially monochromatic UV light (3) and the fluorescent light resulting therefrom being detected. It is provided therein that the object is additionally irradiated with visible or infrared light (4); the transmission light of the visible or infrared light (4) is detected after the passage through the object; and an object is defined as containing lead if both the fluorescent light for at least one predetermined wavelength range corresponding to the fluorescence of leaded glasses is present in a predetermined intensity range and also transmission light in a predetermined intensity range with an intensity of larger zero.