metals and separating
Sensor-based sorting solutions
protect customers from losing
sales in volatile export markets.
And this is not just in times of
crisis because purity and product
quality will always ensure the
maximum commercialisation of
A new e-book from the sorting specialist
Steinert explains how to maximise the separa-
tion of non-ferrous metals and heavy metals.
‘Customers that commit to maximum quality
when sorting secondary scrap can get a real
head start in commercialising their products,’
predicts Karl Hoffmann, sales director for
metal recycling at Steinert. X-ray transmission
and X-ray fluorescence are the two technolo-
gies used to produce pure fractions from alu-
minium, copper, zinc and brass.
For example, advanced X-ray transmission
sorting can be used to remove free magne-
sium from aluminium scrap, thereby producing
high-purity qualities ready for the furnace.
The application has been up and running in
customer plants for a year and is producing a
verifiable magnesium enrichment rate of up to
94 %. This is an effective and flexible alterna-
tive to sorting by density in a sink/float proce-
The technical application can be retrofitted on
most Steinert XSS-T X-ray transmission sorting
systems built since 2016 and is already being
used by many customers.
X-ray fluoreScence deliverS purity
When it comes to metals, X-ray fluorescence
analysis is a standard analytical method for
determining the elemental composition. With
the Steinert KSS |XF belt machine and Steinert
CHUTEC chute sorter, X-ray fluorescence (XRF)
is also used to sort 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 machine has proven its
reliability in practice.
The sorting produces concentrates of different
types of metal of a quality suitable for immedi-
ate use in reprocessing smelting plants. This
refinement level therefore makes an important
contribution to returning metals to the raw
Depending on material conditions, Steinert KSS | XF belt machine (left) or
Steinert CHUTEC (right) can sort material into pure heavy metal fractions.
Download your free E-book here:
out of metal scrap
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