BORSIG Membrane Technology GmbH
Bottroper Str. 279
D-45964 Gladbeck / Germany
Phone +49 (0) 2043 / 4006-01
Fax +49 (0) 2043 / 4006-6299


BORSIG Organic Solvent Nanofiltration Unit

The principle of the OSN Unit is the cross flow over the membrane, dividing the inlet flow into solute enriched solvent upstream (concentrate) and purified solvent downstream (permeate).

In addition to the membrane stage the BORSIG Organic Solvent Nanofiltration Unit usually consists of a feed pump and a circulation pump. The feed pump pressurises the process fluid to the filtration pressure and the circulation pump maintains the required membrane cross flow.
The mechanical design of the system is skid-mounted and pre-assembled for easy imple-mentation.

The benefits

  • Moderate operation conditions (T, p)
  • Low energy consumption in comparison to thermal processes
  • No degradation of temperature sensitive natural compounds (low temperatures)
  • Improved product quality and yield
  • Easy and safe operation
  • Flexible capacity due to modular concept
  • Easy integration e.g. membrane-assisted distillation



Organic Solvent Nanofiltration Unit
Organic Solvent Nanofiltration Unit