Featured Portable & Containerized Desalination Plants (Tier 1)
Discover our primary line of high-efficiency seawater desalination units, compact mobile water stations, and zero liquid discharge systems built to international engineering standards.
OEM Compact Seawater Desalination System
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China High-Ratio Water Reuse Process Equipment
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Modular Containerized Seawater Desalination Equipment
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Oilfield Fracturing Flowback Fluid Treatment System
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ODM Oilfield Flowback System with Zero-Discharge
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Containerized Seawater Desalination Plants
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Custom Precision Environmental Water Treatment
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Ultra-Pure Water System for Semiconductor Electronics
View Technical SpecsThe Paradigm Shift: From Megawatt Civil Plants to Portable Desalination Systems
How modular engineering, pressurized reverse osmosis, and standardized shipping footprints have altered the economics of water autonomy across arid and remote coastal economies.
Decentralization of Potable Water
Traditional mega-scale thermal and reverse osmosis desalination facilities require billions in capital expenditure, elaborate civil engineering, and decades of amortized lifecycle. Contemporary demand has sharply rotated toward portable, decentralized SWRO units that mitigate pipeline distribution losses, avoid local grid dependencies, and can be brought online in weeks rather than years.
- Eliminates coastal municipal transport infrastructure
- Rapid mobilization for island resorts and coastal industry
- Capital conservation through incremental capacity scaling
Pressure Recovery & Energy Dynamics
Early portable systems struggled with excessive specific energy consumption (SEC), frequently demanding >8 kWh/m³. With modern isobaric energy recovery devices (ERD) directly integrated into our containerized layouts, hydraulic pressure from the high-pressure concentrate stream is transferred with up to 96% efficiency, plummeting specific energy demand below 2.8 - 3.2 kWh/m³.
- Isobaric ceramic rotary and positive displacement ERDs
- VFD-governed high-pressure booster pumps
- Direct interface with solar PV microgrids
Environmental & Severe Marine Resilience
Portable desalination skids operating in equatorial, tropical, or Middle Eastern marine zones face brutal climatic factors: saline aerosols, high feed temperatures up to 45°C, severe bio-fouling, and red tide algae blooms. China-manufactured units by Shanghai Tongjie employ Super Duplex 2507 metallurgy, specialized antiscalant dosing, and UF pre-treatment modules.
- Corrosion-immune FRP high-pressure vessels (1000-1200 PSI)
- Automated chemical dosing (CIP) and biocide shock cycles
- Insulated, climate-controlled containerized enclosures
Why Global EPCs Settle on Chinese Portable Desalination Engineering
Delivering capital efficiency, shortened lead cycles, and comprehensive factory integration through Shanghai Tongjie's precision manufacturing hub.
Supply Chain Density
Our Shanghai facility leverages immediate access to specialized casting, machining, valve automation, and membrane element winding clusters, contracting procurement cycle times by 40% against Western equivalents.
Rigorous Pre-Shipment FAT
Every portable SWRO and DTRO unit is wet-tested at full hydrodynamic pressure in our Shanghai factory using synthetic high-salinity brine. Hydraulic checks, instrumentation calibration, and safety relief trips are certified prior to loading.
Full Process Customization
From custom 10-foot, 20-foot, and 40-foot HQ container footprints to explosion-proof ATEX/IECEx skid builds for offshore oilfields, our in-house engineering team crafts solutions mapped precisely to buyer site specifications.
Total Cost of Ownership (TCO)
By pairing high-efficiency isobaric ERDs with optimized membrane vessel arrays and local fabrication efficiencies, we reduce Levelized Cost of Water (LCOW) to $0.65 - $0.95 per cubic meter of finished potable product.
Engineered Scenarios: Where Tongjie Portable Units Operate Globally
From remote island archipelagos to upstream oilfields and emergency defense logistics, our mobile container systems ensure uninterrupted water security.
Remote Islands & Coastal Resorts
Islands in Southeast Asia, the Caribbean, and the Maldives lack freshwater aquifers. Our containerized plants integrate soundproofing, air-conditioned PLC cabins, and ultrafiltration pretreatment to silently convert raw seawater into WHO-standard drinking water for luxury resorts and civilian municipal networks.
Offshore Oil & Gas Platforms
Offshore drill rigs and production facilities demand compact, heavy-duty desalination capable of handling mechanical vibration, tight deck footprints, and explosive hydrocarbon atmospheres. Our explosion-proof skid units supply continuous boiler feed, turbine injection, and crew utility water.
Mining Operations & Exploration Camps
Arid extraction projects across Western Australia, Chile, and Central Asia depend on brackish and seawater pipelines. Our mobile skids treat high-TDS, highly alkaline raw water, preserving critical mining flotation lines and supplying isolated workforce settlements.
Humanitarian Relief & Defense
Following typhoons, tsunamis, or seismic destruction of civic utilities, rapid deployment is non-negotiable. Tongjie portable containerized units can be airlifted or flatbed-trucked into disaster zones, coupling directly with diesel gensets to produce fresh water within 4 hours of arrival.
Industrial Flowback & ZLD Processing
Beyond traditional ocean desalination, our advanced Disc Tube RO (DTRO) and high-ratio water reuse trailers handle hydraulic fracturing return fluids, chemical plant effluent, and landfill leachate, converting toxic, high-salinity wastewater into recyclable process distillate.
Semiconductor & Pharma Pretreatment
For coastal tech hubs, incoming municipal feed water often carries high chloride burdens. Our compact seawater and high-recovery RO trains serve as front-line desalination systems, providing low-conductivity feed for secondary RO/EDI and ultra-pure water polishers.
The Anatomy of an Industrial Containerized SWRO Plant
Every Shanghai Tongjie portable system incorporates a tightly integrated, five-stage physical, chemical, and membrane separation architecture.
Intake & Coagulation
Raw seawater intake passes through automatic backwashing disc filters and in-line flocculant dosing to aggregate colloidal particles and settle out silts.
Micro / UF Polishing
Dual-stage 5-micron and 1-micron sediment cartridges or hollow-fiber Ultrafiltration (UF) modules drop Silt Density Index (SDI15) strictly below 3.0.
High-Pressure Booster
Duplex stainless steel multi-stage centrifugal pumps boost intake stream pressure up to 60-70 bar, paired directly with isobaric Energy Recovery Devices.
SWRO Membrane Matrix
Polyamide thin-film composite elements reject 99.7% of dissolved NaCl, boron, and mineral ions, yielding pure, low-turbidity permeate.
Remineralization & CIP
Permeate passes calcite beds and UV/chlorination stages for stabilization, while fully automated Clean-In-Place skids preserve long-term membrane flux.
| System Model Range | Permeate Output (m³/Day) | Feed Salinity (TDS max) | Operating Pressure (bar) | Energy Recovery Type | Enclosure Format |
|---|---|---|---|---|---|
| TJ-SWRO-Mini Skid | 10 – 50 m³/day | Up to 38,000 ppm | 55 – 65 bar | Optional Turbocharger | Compact Open Stainless Skid |
| TJ-SWRO-20C (Standard) | 100 – 250 m³/day | Up to 42,000 ppm | 58 – 68 bar | Isobaric Pressure Exchanger | 20ft ISO Insulated Container |
| TJ-SWRO-40HC (Heavy Ind) | 500 – 1,500 m³/day | Up to 45,000 ppm | 60 – 72 bar | High-Efficiency Ceramic ERD | 40ft High-Cube Insulated Container |
| TJ-DTRO-Flowback Mobile | 50 – 300 m³/day | Up to 85,000 ppm | 75 – 120 bar | High-Pressure Energy Recovery | Reinforced Off-Road Trailer / Skid |
Technological Frontiers Transforming Portable Water Production
How artificial intelligence telemetry, renewable microgrids, and high-recovery Disc Tube modules are shaping the next decade of water independence.
100% Off-Grid Solar Photovoltaic Coupling
Traditional SWRO demands steady baseload power, making diesel generators mandatory in off-grid sectors. Tongjie engineers have deployed variable-frequency drive (VFD) algorithms that adapt membrane feed pressure dynamically to fluctuating solar irradiance curves, allowing portable plants to operate directly from solar arrays and battery energy storage systems (BESS) with zero carbon emissions.
AI Digital Twins & Predictive Antiscalant Dosing
Bio-fouling and mineral scaling are the primary drivers of premature membrane destruction. Our latest container models incorporate edge IoT sensors measuring differential pressure (ΔP), normalized permeate flow, and osmotic conductivity in real time. Neural cloud models dynamically adjust antiscalant dosing rates, extending RO element operating life by up to 35%.
DTRO & STRO for High-Salinity Zero Liquid Discharge
Standard spiral-wound membranes are constrained by narrow feed spacers that clog under high suspended solids or extreme salinity. By deploying Disc Tube Reverse Osmosis (DTRO) and Spacer Tube RO (STRO), our portable brine concentration units operate reliably at up to 120 bar pressure, concentrating wastewater to over 100,000 mg/L TDS before thermal evaporation crystallization.
Global Procurement Checklist: Sourcing Portable SWRO from China
Technical specifications and compliance standards foreign EPCs and municipal utilities must verify during vendor technical evaluation.
1. Feed Water Chemistry
Never order based on capacity alone. Always supply laboratory data for TDS, silica (SiO2), barium, strontium, boron, SDI15, and seasonal temperature swings to guarantee proper membrane flux modeling.
2. Wetted Metallurgy
Ensure all high-pressure piping downstream of the booster pump utilizes Super Duplex Stainless Steel (UNS S32750 / 2507). Standard 316L will pit within months under continuous seawater chloride exposure.
3. Membrane Brand Validation
Verify whether the manufacturer integrates globally certified, premium reverse osmosis membrane elements (such as DuPont FilmTec, Hydranautics, or equivalent high-rejection SWRO modules) for guaranteed longevity.
4. Factory Acceptance Testing
Insist on complete FAT protocols. Shanghai Tongjie provides live video streaming of pressure-hold tests, electrical loop integrity, instrumentation zero-checks, and chemical injection verification before container dispatch.
Frequently Asked Technical Questions (FAQ)
In-depth engineering answers to common inquiries from overseas mechanical engineers, project procurement directors, and water authority executives.
Featured Industrial Purified Water & Zero-Discharge Systems (Tier 2)
Discover our specialized product line featuring DTRO high-pressure systems, food & beverage grade water solutions, solar desalination stations, and pharmaceutical WFI pure water equipment.
Industrial Demineralized Low-Conductivity Water Unit
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Sanitary Water Purification System for Food & Beverage
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High-Pressure DTRO & STRO Membrane Concentration System
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OEM High-Ratio Water Reuse Multi-Stage Equipment
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Containerized SWRO Plant for Off-Grid Solar Production
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Factory-Direct Containerized SWRO Solar Solutions
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Pharmaceutical Purified Water & WFI Membrane System
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Ultra-Pure Water System for Semiconductor Manufacturing
View Technical SpecsRequest an Engineered Process Simulation & Quotation
Provide your raw feed water analysis (TDS, temperature, turbidity) and target daily capacity. Shanghai Tongjie's process engineering team will return a certified mass-balance projection, P&ID layout, and detailed equipment quotation within 24 hours.