The new STEINERT CHUTEC chute sorter rounds off the portfolio of sensor-based sorting equipment for non-ferrous metals and allows heavy metals right down to a size of 5 mm to be sorted. This makes STEINERT the only provider to offer its customers both eddy current separators and high-resolution X-ray sorters for the highest possible level of recovery and cleaning from one source.

TAMApr02 STEINERTThe recovery of non-ferrous metals using the STEINERT EddyC and the sorting of light and heavy metals in small grain sizes using the STEINERT XSS-T is nothing new. However, the STEINERT CHUTEC provides the option of using X-ray fluorescence (XRF) to economically separate ultra-pure products down to a fine grain of 5 mm and recover zinc, brass and copper in their purest form at this grain size. After separation, the qualities are pure enough to be ready to smelt.

The operators of plants for sorting heavy non-ferrous metals from incineration bottom ash or automotive shredder residues will welcome this innovation. The objective of sorting remains the same, namely to separate and upgrade non-ferrous heavy metals into metal types such as aluminum, copper, zinc, brass or stainless steel. But now the fine-grain fraction can be processed too.

In metal analysis, X-ray fluorescence analysis (RFA) is a standard method for determining the elemental composition. With STEINERT CHUTEC, XRF is also used as a technology in sorting of metals. The chute sorting system combines the signals from the XRF unit with 3D information in order to achieve a precise level of classification and separation. For larger and heterogeneous material, the option of sorting with the STEINERT KSS | XF belt-based machine has proven its reliability in practice.

The sorting produces concentrates of different types of metal, which display a quality suitable for immediate use in reprocessing smelting plants. This refinement level thus makes an important contribution to returning metals to the raw material cycle.


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