Membrane Filtration Technology

Membrane Filtration Technology

Membrane technology can increase process performance, reduce costs, save energy and water, improve or create new sustainable revenue streams from By-products.

Benefits of using membrane technology include:

  • Separation without chemicals
  • Selective cut off
  • Small footprint
  • Wide range of applications
  • A physical separation process without the sensitivities of biological processing

Controlled separation takes place when pressure and velocity is applied to liquid flowing across a membrane surface.

Depending on the “molecular weight cut off” (MWCO) of a membrane, it is possible to isolate a wide rang of constituents in a feed stream including suspending solids, fibres, particles, protein, bacteria, virus, colour, dissolved salts and metal ions.

The technique produces a consistent, stable output which is ideal for quality sensitive and water recycling applications.  The physical simplicity of the process offers considerable nevironmental and operational advantages.

TECHNOLOGYTYPICAL OPERATING PRESSURETYPICAL MEMBRANE PORE SIZETYPICAL SEPARATION
Microfiltration0.5 - 60.1µm up to 1.0µmProteins, fats, suspended particles
Ultrafiltration1 - 10 0.001µm up to 0.1µmSugars, proteins, macromolecules
Nanofiltration7 - 400.001µm up to 0.01µmDivalent salts, dissociated acids, sugars
Reverse Osmosis20 - 680.0001µm Monovalent salts, organics, undissociated acids

Gale RuddMembrane Filtration Technology