Membrane Systems
Ultra-pure water. Precisely engineered at the molecular level.
The Challenge
When your process demands water purity that municipal supply cannot deliver.
Pharmaceutical manufacturers require USP-grade purified water (PW) and water for injection (WFI). Data centers need ultra-low conductivity cooling water to prevent corrosion. Food processors need water free of pathogens and chemical residues. Standard municipal or groundwater supply — with TDS of 500–3,000 mg/L — cannot meet these demands without advanced membrane treatment.
Conductivity achievable with NWPL's double-pass RO + EDI systems for pharma PW
How It Works
Four membrane technologies. One precision outcome.
NWPL deploys RO, UF, NF, and MF membranes selectively — often in combination — to achieve the exact water quality your process requires. No over-engineering. No under-specification.
Reverse Osmosis
High-pressure (15–80 bar) rejection of dissolved salts, organics, and 99%+ of bacteria. Used for desalination, DM water production, and ZLD brine concentration. Recovery: 65–85%. TDS rejection: >98%.
Ultrafiltration
Operates at low pressure (1–4 bar). Rejects bacteria, viruses, colloidal particles, and macromolecules. Pore size 0.01–0.1 micron. Used as RO pre-treatment and for MBR STP systems. Recovery: 90–95%.
Nanofiltration & Microfiltration
NF softens water and removes divalent ions and colour. MF pre-filters turbid feeds. Used in food & beverage, textiles, and pharmaceutical applications where full desalination is not required.
Interactive Guide
Membrane Technology Selection Guide
Click any membrane zone on the spectrum to see details.
Technical Specifications
Built for precision.
| Parameter | Value / Range |
|---|---|
| RO capacity range | 1 KLD – 5 MLD |
| RO TDS rejection | > 98% |
| RO permeate conductivity | 10 – 500µS/cm |
| EDI polished water conductivity | < 0.1µS/cm |
| UF flux rate | 20 – 80LMH |
| Operating pressure (RO) | 8 – 80bar |
| Membrane material | PA TFC (RO), PVDF (UF/MF) |
| Clean-In-Place (CIP) | Automated, pH 2–12 tolerance |
Case Study
Proven in the field.
Pharmaceutical PW System — 50 KLD, Hyderabad, Telangana
Double-pass RO + EDI system delivering USP purified water at 0.06 µS/cm conductivity. System validated to USFDA 21 CFR Part 11 requirements. Three years of operation with zero OOS (out-of-specification) incidents. TOC consistently <100 ppb.
View all projectsCompliance Context
Pharma PW validated. Data centre specs met. Food-grade certified.
Each application has distinct water quality standards. NWPL's membrane systems are designed and validated against the applicable standard for your industry. Pharmaceutical PW systems undergo full DQ/IQ/OQ/PQ qualification with documentation packages. Data centre systems meet ASHRAE Guideline 12 and BSRIA BG 50 water treatment specifications.
USP 40 <1231> — Water for Pharmaceutical Purposes (Purified Water, WFI)
USFDA 21 CFR Part 211 — Current Good Manufacturing Practice
ASHRAE Guideline 12-2000 — Cooling Tower Water Treatment
FSSAI Regulations, 2011 — Process water quality for food manufacturing
BIS IS 10500 — Drinking water specification (for potable water systems)
What could you save?
Calculate your NPV, IRR & payback period
Frequently Asked
Common questions answered.
Related Industries
Designed for your sector.
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