Product Overview
Industrial brackish groundwater reverse osmosis systems utilize semi-permeable polyamide composite membranes under high operating pressure to separate dissolved mineral ions, salts, and inorganic contaminants from high-TDS well water sources, systematically reducing ionic concentrations to meet municipal drinking water regulations or industrial process water standards.
Technical Specifications
|
Parameter |
Specification Range |
|
Permeate Capacity |
5 to 100 m3/h |
|
Feedwater TDS |
1,000 to 10,000 ppm |
|
Salt Rejection |
99.2% to 99.7% |
|
System Recovery |
75% to 85% |
|
Operating Pressure |
10 to 25 bar |
Core Technical Focus
Membrane Flux Optimization
Low-fouling elements operate at conservative flux rates to minimize particulate accumulation, extending operational lifespans in high-silica groundwater.
Energy Recovery Integration
High-efficiency recovery devices and variable-frequency drive pumps capture retentate hydraulic energy to reduce specific power consumption.
Concentrate Hydraulics
Automated flush routines and motorized control valves manage brine discharge pressures, preventing localized scaling on lead elements.
Chemical Dosing Control
Interlocked skids inject anti-scalants and pH adjusters upstream of cartridge filters, monitored by real-time transmitters.
Typical Applications
Municipal Potable Water
Converts inland well water into compliant drinking water for municipal distribution networks.
Boiler Feed Pretreatment
Reduces mineral ion concentrations prior to deionization or high-pressure steam systems.
Industrial Process Water
Supplies high-purity water for manufacturing, textile processing, and chemical synthesis plants.
Agricultural Irrigation
Lowers sodium and chloride levels in irrigation water to protect sensitive greenhouse crops.
System Workflow
Raw Water Pre-Filtration
Multi-media and 5-micron cartridge filters remove suspended solids, silt, and colloidal matter.
High-Pressure Pressurization
Multistage centrifugal pumps elevate feed pressure to overcome raw water osmotic pressure.
Membrane Separation
Pressurized water crosses spiral-wound elements; water molecules permeate while impurities concentrate in the brine stream.
Permeate Polishing
Purified water passes through post-treatment pH adjustment and disinfection prior to storage.
Skid Configuration
Structural Framework
Fabricated from heavy-gauge 304 or 316 stainless steel tubing, passivated to withstand corrosive industrial environments.
High-Pressure Plumbing
Manifolds utilize schedule 80 PVC, 316L stainless steel, or super duplex piping for operating pressures up to 30 bar.
Instrumentation Suite
Centralized PLC panel with industrial HMI monitors real-time flow rates, pressure differentials, and conductivity.
Valves and Actuation
Pneumatic and electric valves regulate feed input, concentrate throttling, and automated flush routines.
Feedwater Requirements
Total Dissolved Solids
Stable concentration profile between 1,000 mg/L and 10,000 mg/L.
Silt Density Index
Must maintain an SDI value below 3.0 to protect membrane feed channels.
Thermal Operating Window
Raw well water temperature between 5°C and 45°C with automated flux compensation.
Chemical Thresholds
Iron below 0.05 mg/L, manganese below 0.02 mg/L, and free chlorine at 0 mg/L.
Product Water Output
Permeate TDS
Treated water total dissolved solids concentration maintained below 50 mg/L.
Electrical Conductivity
Maintained below 50 uS/cm at 25°C across all operating cycles.
Silica Reduction
Removes 98% to 99% of reactive and colloidal silica from raw groundwater.
Biological Stability
Compatible with downstream ultraviolet sterilization for safe distribution.
Customization Options
Membrane Selection
High-rejection, fouling-resistant, or high-temperature tolerant modules based on water analysis reports.
Pump Wet-End Materials
Upgradeable from standard 316 stainless steel to Super Duplex stainless steel or nickel-based alloys.
Enclosure Integration
Open-frame industrial skids or fully insulated ISO shipping containers with climate control.
Communication Protocols
PLC logic compatible with Modbus TCP, Profibus, or Ethernet/IP for plant SCADA integration.
Quality Control Protocols
Hydrostatic Pressure Testing
Manifolds and pressure vessels tested at 1.5 times maximum design operating pressure.
Weld Inspection
Visual inspection and passivation treatments eliminate micro-crevices and prevent corrosion.
Factory Acceptance Testing
Complete operational run test utilizing simulated feed water to verify pump and instrument calibration.
Traceability Documentation
Material test reports, pressure vessel certificates, and electrical schematics compiled for every system.
Frequently Asked Questions
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