Process Membranes

Flat Sheet Membranes

We offer the MF/UF/NF/RO membranes with various molecular weight cut-offs (MWCO) and different polymer chemistries. Flat sheet membranes are made with a variety of materials including Polyvinylidene fluoride (PVDF), Modified Polyether sulfone (PES), Unmodified Polyether Sulfone (PES), Polysulfone (PS), Polyamide (PA).

They offer extensive benefits including high thermal and chemical resistance, precise MWCO, high flux capacity, fouling resistance, acid and caustic resistance, high temperature resistance etc.

Membrane Features Applications

HFT Series

Flatsheet Sharp cut off Polyamide NF membranes

  • Alcohol-stable
  • High-temperature stable
  • Net outer wrap for sanitary application in 8038/ 3838 sizes
  • Net outer wrap in standard 8040/4040 sizes
  • Ph range of 2-11
  • Dyes
  • OBA’s
  • Peptides
  • Polysaccharides
  • Desalting/ Purification
  • Product API concentration (Pharma, herbal, biobased streams)
  • Dye concentration
  • Dye-bath recovery
  • Whey de-ashing
  • Brine recovery
  • Alcohol recovery from ML
  • Peptide concentration & desalting
  • Separation of API from impurities

HFN – AR Series

Flatsheet Non polyamide PES chemistry membranes stable in Acid and Alkali

  • Alkali-stable
  • Ph range 0-14
  • Chlorine-sanitizable
  • Food & beverage applications
  • Alkaline brine recovery
  • Spent-brine purification
  • Caustic recovery.

HFN Series

Flatsheet Non polyamide PES chemistry membranes

  • Acid-stable
  • Chlorine-sanitizable
  • Food & beverage applications
  • Colour removal
  • Spent-brine purification
  • Whey de-ashing
  • Acid, alkali, and metal recovery

Spiral Membranes

Sanitary-type membranes for pharmaceutical, biotech, food processing, glass-fiber, and general industrial applications.

We manufacture spiral-wound membranes with a wide variety of materials and MWCO. All our membranes have a compact design and an optimum ratio of surface area to volume. The height of the feed channel can be varied by the thickness of the feed-spacer material (28 to 120 mil).

This helps adapt the viscosity or the solid content of the liquid. The design features provide excellent hydrodynamics in combination with low energy demand. Membrane modules for specialty applications for acidic/caustic solvent resistance or high temperature are available.

Membrane Features Applications
Spiral MF Membranes

Typical particle size suitable to MF membranes ranges from 0.1 to 0.45 μm.

These membranes can prevent particles such as suspended solids, bacteria, and macromolecular colloids–while allowing clarified feed with dissolved solutes, inorganic salts, and other macromolecules.

Spiral UF Membranes

Characterized by their molecular weight cut-off (MWCO) between 1,000 – 200,000 Dalton, and higher cut-offs spill into the MF range.

  • Clarification of fermentation broth in the pharmaceutical and biotechnology industries.
  • Concentration of skimmed milk protein, whey protein, gelatin, and other natural extracts, protein, and pectins
  • Clarification of juices and wine
  • Size-based product
  • Fractionation
  • Endotoxins removal from API/
  • Injectables
  • Products purification, decolourization
  • and concentrations
Spiral NF Membranes

Cross-flow nanofiltration is a pressure–driven membrane process capable of separating divalent from monovalent anionic salts such as sodium sulphate, sodium chloride, etc., including uses such as groundwater softening, desalting of organic process streams (to separate dissolved salts from an organic solute) – when the organic solute has a molecular weight between 150 to 1000 (mainly the MWCO range in which NF membranes are available).

  • Precious metal recovery
  • Caustic and acid recovery using our special HFN series
  • Concentration of proteins, amino acids, and vitamins in food, beverage, and pharmaceutical industry
  • Dye concentrations and desalting
Spiral RO Membranes

Cross flow Reverse Osmosis is a pressure–driven membrane process capable of separating water from its solutes, in applications such as desalination of seawater, brackish water, etc. In process applications, RO plays an important part in the concentration and dewatering of dilute solutions as an upstream,

  • High thermal and chemical resistance
  • High-quality raw material in module making
  • Sanitary design without dead space
  • High resistance to fouling
  • Simple and economic module replacement
  • High packing density
  • Various choices of module dimension


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