DM (Demineralized) Water Plant with RO Pre-Treatment – 1000 LPH
Suitable for Large Labs, Hospitals, & Medium Industrial Applications
Product Overview
This 1000 LPH DM Water Plant is a high-efficiency combined RO + DM system, designed to deliver ultra-pure demineralized water for sensitive industrial, laboratory, and medical applications.
The plant uses RO membranes for pre-treatment to remove most dissolved salts, hardness, and turbidity, followed by a mixed-bed DM resin housed in a 1665 FRP vessel for final polishing. This ensures TDS is consistently within 1–5 ppm and protects downstream equipment.
Ideal for medium-scale pharmaceutical plants, hospitals, laboratories, boiler feed, cooling systems, and electronics manufacturing, the system provides reliable, continuous, and low-maintenance production of high-purity water.
Key Technical Specifications
Rated Capacity: 1000 Liters Per Hour
End Use: Laboratories, pharma, hospitals, small-to-medium industrial DM water
Pre-Treatment Technology: Reverse Osmosis (RO)
Demineralization Technology: Mixed-bed Ion Exchange
FRP Vessel Size (DM Section): 16×65 (1665)
TDS of Product Water: 1–5 ppm (after DM stage)
Automation: Semi-automatic or fully automatic valves
System Components & Units
RO Pre-Treatment Section
Raw Water Feed Pump
Delivers water to RO and DM units with consistent pressure
RO Membrane Module
Removes the majority of TDS, hardness, salts, and suspended solids
RO Post-Cartridge Filter (5–10 Micron)
Protects DM resin from particulates and ensures consistent water quality
Demineralization Section
Cation Exchange Resin (Strong Acid Cation Resin)
Removes residual calcium, magnesium, and other cations
Anion Exchange Resin (Strong Base Anion Resin)
Removes chloride, sulfate, nitrate, and other anions
Mixed-Bed Resin in 1665 FRP Vessel
Final polishing to ultra-pure DM water
Control Valves, Flow Meters & TDS Monitors
Ensures optimal operation, regeneration scheduling, and output monitoring
Post-Treatment & Storage
DM Water Storage Tank (customized per site requirement)
Optional UV / Ozone Sterilizer
Provides microbial safety for sensitive applications
Working Principle
Raw water passes through RO membranes, removing bulk dissolved solids and hardness.
RO permeate is routed through cation and anion resins to remove residual ions.
Mixed-bed resin polishes water to achieve ultra-low TDS (1–5 ppm).
Periodic regeneration using acid and caustic restores resin capacity.
Typical Applications
Medium to large laboratories & analytical work
Hospitals & pharmaceutical production
Boiler feed and cooling water for medium-scale equipment
Electronics and sensitive industrial processes
Small industrial DM water needs
Key Advantages
High-purity DM water using RO + DM combination
1665 FRP vessel ensures a deep resin bed and efficient deionization
Protects downstream equipment and prolongs membrane life
Compact, skid-mounted design suitable for medium facilities
Minimal maintenance with scheduled regeneration
Consistent and reliable ultra-pure water output
Operation & Maintenance
Resin Regeneration: Acid for cation, caustic for anion resins
Filter Replacement: Sediment, carbon, and cartridge filters based on pressure drop
Monitoring: Flow, TDS, and pressure gauges
Resin Life: 2–5 years, depending on feed water quality
Design & Selection Guidelines
Feed water TDS, hardness, and chlorine must be analyzed before installation
Pre-treatment (softener/iron removal) may be required for high-hardness or iron water
Correct regeneration chemicals and schedule are critical for long-term performance
Standard Supply Scope
Skid-mounted DM + RO combined plant with 1665 FRP vessel
RO membrane module with high-pressure pump
Cation and anion resins (pre-loaded)
Sediment, carbon, and cartridge filters
Control valves, flow meters, and piping
Optional UV / ozone sterilizer
Electrical panel and base frame
Installation, commissioning, and operator training
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