- Qingqingquan
- Shandong
- 20 days
- 300 units per month
Professional brackish water desalination systems. Treats 1,000-10,000 ppm TDS water, 70-80% recovery rate, remote monitoring. Download technical specifications and case studies.
Underground Brackish Water Desalination Systems - 2025 Guide
Why Specialized Treatment is Essential for Brackish Water
✔ Removes 99% dissolved salts - Transforms undrinkable water into safe freshwater
✔ Eliminates heavy metals - Removes arsenic, fluoride, and other harmful contaminants
✔ Adapts to varying salinity - Handles TDS levels from 1,000 to 10,000 ppm
✔ Saves operation costs - 40% more energy-efficient than seawater desalination
Critical Fact: Over 1 billion people worldwide rely on brackish water sources for survival
3 System Configurations for Different Water Conditions
1. Standard Brackish RO System (1-5 m³/h)
For: Low to medium salinity (1,000-5,000 ppm TDS)
Recovery Rate: 70-80%
Energy Consumption: 1.8-2.5 kWh/m³
Features:
• Low-pressure membranes
• Automatic flush system
• Salt rejection: 99%
2. High-Efficiency System (5-20 m³/h)
For: Medium to high salinity (5,000-10,000 ppm TDS)
Recovery Rate: 65-75%
Energy Consumption: 2.5-3.5 kWh/m³
Features:
• Energy recovery device
• Advanced scale inhibition
• Remote monitoring capabilities
3. Containerized Mobile Units (2-10 m³/h)
For: Remote areas, emergency water supply, temporary sites
Recovery Rate: 60-70%
Features:
• Solar power compatible
• Quick deployment setup
• Minimal civil works required
Technical Specifications
| Parameter | Specification |
|---|---|
| Feed TDS | 1,000-10,000 ppm |
| Product TDS | <500 ppm |
| Operating Pressure | 15-25 bar |
| Membrane Life | 5-7 years |
5 Advanced Features for Brackish Water
✔ Advanced pretreatment - Multi-media filtration with antiscalant dosing
✔ FRP pressure vessels - Corrosion-resistant for harsh water conditions
✔ Variable frequency drives - Energy optimization based on water quality
✔ Automated chemical cleaning - Maintains membrane performance
✔ Remote monitoring - Real-time performance tracking and alert system
Case Study: Shangluo agricultural project achieved 95% cost reduction compared to water transportation
Treatment Process Overview
1. Comprehensive Pretreatment
• Oxidation: Iron and manganese removal
• Filtration: Multi-media filters for sediment removal
• Acid dosing: pH adjustment for scale prevention
• Cartridge filtration: 5μm final protection
2. Reverse Osmosis Core
• Brackish water membranes: Specialized for high sulfate rejection
• Staged array design: Optimized recovery and concentration
• High-pressure pumps: Stainless steel construction
3. Post-Treatment & Stabilization
• Remineralization: Calcium carbonate contactors
• Disinfection: UV and chlorine residual maintenance
• pH adjustment: Corrosion control in distribution
Performance Data
| Contaminant | Feed Concentration | Product Concentration | Removal Rate |
|---|---|---|---|
| Total Dissolved Solids | 4,500 ppm | <200 ppm | 95.6% |
| Sulfate | 1,200 ppm | <15 ppm | 98.8% |
| Fluoride | 3.8 ppm | <0.5 ppm | 86.8% |
| Arsenic | 85 ppb | <5 ppb | 94.1% |
Maintenance Protocol
✅ Daily: Pressure and flow monitoring
✅ Weekly: SDI testing and chemical dosing calibration
✅ Monthly: Membrane performance normalization
✅ Quarterly: Full chemical cleaning and inspection
✅ Annually: Comprehensive system overhaul
Pro Tip: Monitor Langelier Saturation Index (LSI) to prevent calcium carbonate scaling
Applications
1. Municipal Drinking Water
• Rural community water supply
• Emergency water sources
• Drought-resistant water systems
2. Agricultural Irrigation
• Crop irrigation water
• Livestock watering
• Greenhouse operations
3. Industrial Processes
• Boiler feed water
• Process water manufacturing
• Mining operations
Why Choose Our Brackish Water Systems?
✔ Years brackish water specialization
✔ 5000+ successful installations in challenging water conditions
✔ 24/7 technical support
✔ Custom design for specific water chemistry
