BRAND-NEW
Regeneration for Rolling Mill Lubricants
C
old forming processes utilize large
Net oils and isoparaffins are mainly
With the development of new
amount of net oils and isoparaffins
used in the rolling (of aluminium,
ultrafiltration lipophilic membranes
necessary mainly to cool down
yellow metal alloys and stainless steel
it is today possible to remove the
the tools, prevent the oxidation of the
Sendzimir) in the cold heading and in
listed pollutants keeping the oil
equipment and the material, reduce the
cleaning operations.
constantly clean and efficient.
friction and keep clean the processed
During the processes, even with
In particular the regeneration unit
surfaces.
the use of standard filtration and
model DIANA is applied in “dialysis”
During the use, the fluids get contaminated
purification technologies, the pollutants
mode to the rolling oil storage tank.
and a partial or total renewal of them have
increase in the time requiring a
According to the treatment capacity
to be considered.
periodical renewal of the entire volume
of the unit the pollutant is kept
With the development of new membranes,
of the products.
to a standard value that must be
the ultrafiltration technology can answer
The pollutants that mainly affect a good
a compromise between the cost
to the increasing demand in line with the
result in terms of quality of the surfaces
of the unit and the result of the
so-called “Circular Economy”.
and performances of the machine are
operation.
In particular with the use of membrane
the followings:
Obviously, the use of a regeneration
separation systems it is today possible to
- Total residue (>0,1 μ)
unit eliminates the need for the
minimize the waste production through
- Particles contamination (according to,
periodical renewal of the oil.
the regeneration of the fluid itself or,
for example, NAS 1638 table) For further information:
material.
- Metal complex (ICP).
www.condoroil.com
© Condoroil
- Water content (KF-DIN 5177-1)
© Condoroil
at least, the recovery of secondary raw
DIANA C 12 is the device by Condoroil for the regeneration of 1.000.000 litre/year of oil.
16
N. 59 - SEPTEMBER/OCTOBER 2019 - international PAINT&COATING magazine