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Membranes, Resins & Materials for water desalination, water purification and separation processes
Application Uses

For the separation/concentration of value-added chemicals/salts from aqueous/organic medium

Salient Technical Features
  • High counter ion transport number >0.95
  • Low water uptake 12-15%
  • High ion exchange capacity 1.30-1.45 meqg-1
  • Stability to pH window 1 to 14
TRL
TRL 5
Scale of Development:

-

Business scope & opportunity

The technology is ready for technology transfer and can be implemented on commercial scale

Environment Considerations

Eco-friendly

Status of Licensing
Not yet licensed
Status Commercialization
Not applicable
Major Raw Materials Needed

Polyethylene, styrene, 4-methyl styrene, benzoyl peroxide, trimethyl amine, chlorosulfonic acid

Major Plant Equipment

Polymer making mixtruder, blow film extruder, glass column

Techno-Economics

The manufacturing cost of the membranes ₹2000/m2 while the commercial membranes price are around ₹8000-15000/m2

Technology Package
  • Preparation of acid and alkali stable polyethylene polystyrene interpolymer based cation exchange membrane
  • Preparation of acid and alkali stable polyethylene poly4-methyl styrene interpolymer based anion exchange membrane
  • Use of these membranes for the recovery and concentration of alkali
  • Use of these membranes for the separation/concentration of value-added chemicals/salts from aqueous/organic medium
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