Containerized water treatment systems
Containerized water treatment systems
I. Key Features
1. Modular Design
- Integrates pretreatment, filtration, disinfection, and membrane separation (e.g., RO reverse osmosis, ultrafiltration) into a standardized container, forming a complete treatment chain.
- Standardized interfaces allow multi-container parallel expansion to meet varying capacity requirements.
2. Core Technologies
- Membrane Technology: Ultrafiltration (UF) and reverse osmosis (RO) for removing microorganisms, salts, and heavy metals.
- Smart Control: PLC or IoT-enabled remote monitoring and automated operation.
- Adaptable Processes: Customizable solutions like chemical coagulation, MBR (membrane bioreactor), and electrodialysis to address diverse water qualities (e.g., high turbidity, high-salinity wastewater).
3. Rapid Deployment
- Pre-commissioned before delivery; only requires on-site water and power connections, reducing setup time by over 70%.
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II. Core Advantages
- Flexibility and Mobility
- Suitable for remote areas, temporary sites, or emergency disaster relief, with no need for civil engineering.
- Cost Efficiency
- Reduces infrastructure costs; optimized energy consumption (e.g., energy recovery devices for RO systems).
- Regulatory Compliance
- Effluent meets standards such as GB 5749-2022 (drinking water) or GB 18918-2002 (wastewater discharge).
- Resilience to Fluctuations
- Maintains stable operation via adjustable chemical dosing or membrane cleaning cycles under variable water quality.
III. Typical Applications
1. Remote Area Water Supply
- Addresses freshwater shortages in rural regions, islands, etc., with a daily output of 10-500 tons.
2. Industrial Use
- Treats challenging wastewater (e.g., electroplating, oilfield produced water) for reuse or zero-liquid discharge.
3. Emergency Response
- Provides safe drinking water within 48 hours post-disaster (earthquakes, floods), supporting mobile or solar-powered operation.
4. Temporary Needs
- Serves construction sites, camps, or event venues; equipment can be reused after projects conclude.
IV. Technology Comparison
Technology Type |
Applicable Scenarios |
Treatment Performance |
Key Characteristics |
Reverse Osmosis (RO) |
Seawater desalination, high-salinity wastewater |
Desalination rate >99%, near-pure water output |
High energy consumption; requires pretreatment to prevent membrane fouling |
MBR Membrane Bioreactor |
Domestic sewage, organic wastewater |
Efficient COD/BOD removal, low sludge production |
Combines biological treatment + membrane filtration; compact footprint |
Electrochemical Oxidation |
Refractory industrial wastewater (e.g., pharmaceuticals) |
Degrades organics, decolorizes |
No secondary pollution; high electrode costs |
Ultrafiltration + UV |
Drinking water purification |
Removes bacteria/viruses, retains minerals |
Low energy use; ideal for low-turbidity sources |
V. Selection Guidelines
1. Water Quality Analysis: Test parameters like TDS, COD, and suspended solids to match treatment processes.
2. Capacity Needs: Choose 20ft or 40ft container configurations based on daily demand.
3. O&M Capabilities: Prioritize automated, robust systems for remote areas to minimize manual intervention.
4. Scalability: Reserve expansion ports for future upgrades (e.g., softening, fluoride removal).
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VI. Future Trends
- Renewable Energy Integration: Combine with solar PV and energy storage for off-grid operation.
- AI Optimization: Use machine learning to predict membrane fouling cycles and reduce maintenance costs.
- Material Innovations: Graphene membranes and anti-fouling coatings to enhance efficiency and lifespan.
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Containerized water treatment systems, with their "plug-and-play" design, are becoming a preferred solution for decentralized water supply and emergency scenarios. Users should select technologies tailored to specific needs and prioritize long-term operational strategies for sustained performance.