Water Treatment Products 

We have a bouquet of products which are modular and containerised, allowing us to quickly build compact solutions to treat all types of waste water. 

These modules are typically built by us either for pre-treatment or post treatment for our Systems. 

Grewa O

Key Features
  • Ready-to-use
  • Plug-and-Play
  • Modular and compact
  • Programmable central control panel with logic controlled auto flushing
  • Optimized set points for Permeate Flow
  • High/Low pressure shutdown with auto restart
Ideal For
  • Residential and Commercial Complexes
  • Industrial Wastewater Treatment
  • Government and Municipal Projects
Specific use in Process
  • Roughing de-mineralisers to remove Total Dissolved Solid (TDS)
  • TOC reduction and polishing treatment for recycling high TDS wastewater re circulation


  • Sea Water Desalination
  • Brackish Water Desalination
Reuse of Treated Water
  • Potable water
  • Industrial process water
  • Industrial application water
  • Boiler feed

​​Grewa U

Key Features
  • Reduces Turbidity and other particles to <0.5 micron size
  • Built-in protection during power outages or intermittent power
  • Modular, Flexible & Scalable
  • Minimum installation work at site
  • Remote monitoring & operation (optional)
Ideal For
  • Tertiary treatment of Grewa-R or any other STP
  • Pre-Treatment to RO
Specific Use in Industrial Process
  • Remove of Colloidal Silica
  • Reduction of E-coli, Cysts and viruses
Reuse of Treated Water
  • Potable Water
  • Industrial Process Water
  • Industrial Application Water
  • Boiler Feed