Featured Seawater Desalination & High-Ratio Water Reuse Plants
Explore factory-integrated, field-tested systems combining advanced ultrafiltration, energy-recovery reverse osmosis, and disc-tube membranes manufactured for global deployment.
China Water Reuse Equipment (Pretreatment + UF + RO Process)
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CE Certified Containerized Seawater Desalination Plants for Solar Systems
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CE Certification High-Ratio Water Reuse Equipment (Advanced Pretreatment UF & RO)
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OEM High-Ratio Water Reuse Equipment for High-Salinity Industrial Wastewater
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ODM High-Ratio Ultrafiltration & Reverse Osmosis System Equipment
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Fracturing Flowback Water Reuse Treatment Equipment for Oil & Gas
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High-Salinity Wastewater Treatment System for Zero Liquid Discharge (ZLD)
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CE Certification Electronic Ultra-Pure Water System (18.2 MΩ·cm Resistivity)
Explore ModelTechnical Architecture: Turning High-TDS Seawater into WHO Potable Water
A rigorous review of membrane selection, isobaric energy recovery, anti-corrosion metallurgy, and localized compliance architectures for municipal, maritime, and EPC buyers.
Pretreatment & Anti-Biofouling
Seawater drinkable plants face intense microbial fouling and seasonal red tides. Chinese manufacturing protocols integrate multi-media media filtration (MMF) alongside self-cleaning disc filters and hollow-fiber Ultrafiltration (UF) to keep Silt Density Index (SDI15) consistently under 2.5, shielding thin-film composite membranes.
Isobaric Energy Recovery (ERD)
Energy makes up more than 50% of SWRO lifecycle OPEX. Industrial configurations integrate isobaric pressure exchangers (PX) or hydraulic turbochargers capable of recovering up to 96% of reject brine pressure energy, driving overall electricity consumption down to under 2.8 kWh per cubic meter of drinkable permeate.
Super Duplex (2507) & Non-Metallic Fluidics
High-salinity operations require robust corrosion resistance. High-pressure piping assemblies utilize Super Duplex Stainless Steel (UNS S32750/1.4410), while low-pressure fluid loops leverage CPVC, FRP, and Duplex 2205 to prevent crevice and pitting corrosion in harsh tropical marine marine conditions.
| Process Stage | Technical Objective | Standard Specification | Tongjie Engineered Standard |
|---|---|---|---|
| Seawater Feed Intake | TDS buffering & macro solids removal | TDS: 32,000 - 45,000 mg/L | Dual intake strainers + DAF for algal bloom defense |
| Ultrafiltration Barrier | Colloidal & bacterial removal | Turbidity < 1.0 NTU, SDI < 3.0 | PVDF Hollow Fiber 0.02 μm; Turbidity < 0.1 NTU, SDI < 2.0 |
| High-Pressure SWRO Core | Sodium chloride & Boron rejection | Single-pass RO (TDS < 500 mg/L) | Two-pass configuration with Boron-specific polish (< 0.5 mg/L) |
| Post-Treatment & Remineralization | WHO potable compliance & pipe stability | Basic chlorination | Calcite dissolving bed + CO2 dosage + UV & ClO2 residual safety |
Why Global EPCs Choose China Seawater Drinkable Manufacturers
From component aggregation to turnkey containerization, China's precision industrial ecosystem delivers cost advantages, rapid delivery schedules, and rigorous compliance governance.
Vertical Supply Chain Integration
Chinese manufacturers operate within integrated industrial clusters combining pressure vessel winding, high-pressure pump machining, electrical control panel assembly, and pipe fabrication in tight geographic hubs, reducing lead times by up to 40% compared to Western suppliers.
Modular Containerized Deployment
Modern procurement demands quick installation. Our units are fully integrated into 20ft or 40ft standard CSC-certified shipping containers featuring climate control, sound attenuation, internal lighting, and automated PLC control racks ready for field connection within 48 hours of delivery.
Full CE & ISO Compliance Assurance
All pressure systems undergo hydrostatic verification at 1.5x working pressure. Welds conform to ASME Section IX, and control enclosures carry CE, UL508A, or ATEX compliance options, ensuring immediate regulatory compatibility across the EU, Middle East, and Latin America.
Localized Scenarios: Reliable Drinking Water Wherever Deployed
Engineered for high resilience in remote island outposts, offshore drilling platforms, coastal eco-resorts, and military emergency water stations.
Island & Coastal Community Supply
Decentralized containerized SWRO units provide municipal-grade potable water for isolated islands, eliminating expensive freshwater tanker deliveries with fully automated, solar-hybrid powered water generation.
Offshore Oil & Marine Vessels
Compact, skid-mounted seawater drinkable systems built to DNV and marine classification standards guarantee potable, boiler feed, and process cooling water aboard exploration rigs, vessels, and FPSO units.
Coastal Eco-Resorts & Hospitality
Ultra-quiet, low-vibration desalination systems featuring clean food-grade remineralization that yields balanced, premium-tasting potable water matching strict international hotel and culinary standards.
Disaster Relief & Remote Mining Sites
Rapidly transportable plug-and-play desalination trailers designed for quick deployment in coastal arid regions, emergency zones, and construction camps requiring immediate potable water access.
Complete Industrial Desalination & High-Purity Equipment Series
Explore additional modular RO, degassing, high-ratio water reuse, and microelectronics water treatment plants manufactured in our Shanghai facility.
Modular Containerized Seawater Desalination Equipment (Rapid Deployment)
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Factory-Direct Containerized Seawater Desalination Plants for Mobile Solutions
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CE Certification Ultra-Pure Water System for Semiconductor Electronics
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OEM Eco-Friendly Water Treatment Solutions Tailored by Expert Factory
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ODM OEM Precision Membrane Water Treatment Systems Manufacturing
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Deoxygenation Membrane Equipment Factory for Physical Degassing of Water
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Membrane Contactors for Industrial Physical Degassing & Oxygen Stripping
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High-Ratio Industrial Water Reuse Systems (Pretreatment + UF + RO)
Explore ModelFrequently Asked Questions on Desalination Plant Procurement
Key information regarding international water quality standards, membrane lifespan, power integration, and overseas commissioning services.
Does product water meet World Health Organization (WHO) standards?
Yes. Permeate water produced by our systems meets WHO Drinking Water Guidelines. With multi-stage RO passes and food-grade remineralization (calcite/dolomite beds), TDS is stabilized between 150-300 mg/L with a balanced pH of 7.2-7.8 and Boron concentrations below 0.5 mg/L.
How are containerized SWRO units powered in off-grid locations?
Our containerized systems support flexible three-phase power supplies (380V/440V/480V at 50/60Hz) and integrate with local diesel generator setups or off-grid solar PV-plus-storage microgrids via intelligent VFD drive modules.
What is the typical lifespan of the RO membranes in seawater applications?
With integrated Ultrafiltration (UF) pretreatment, automated clean-in-place (CIP), and anti-scalant dosing, high-grade polyamide seawater membranes typically run between 3 to 5 years before replacement.
How is overseas commissioning, warranty, and spare parts managed?
Every unit is fully pre-commissioned and hydraulically tested (FAT) in our factory before dispatch. We provide digital twin remote monitoring support, PLC IoT access, and dispatch field commissioning engineers to international project sites when required.
Request an Engineered Desalination System Proposal
Send our process team your raw seawater laboratory analysis (TDS, temperature, turbidity) and required daily output. We will deliver a complete mass balance diagram, P&ID, membrane array projection, and commercial quotation within 24 hours.
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