Industrial Water Solutions • Southern Europe Hub

ODM/OEM Factories & Supplier in Portugal

Precision-engineered membrane solutions, thermal crystallizers, and modular seawater desalination plants built to EU standards for Portugal's expanding high-tech, agro-food, and clean hydrogen infrastructure.

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Macro Economic Analysis

Portugal's Water Resilience Dilemma & Industrial Demand

Balancing water stress in Southern regions with rapid industrial growth across Sines, Aveiro, and the Setúbal Peninsula.

Alentejo & Algarve Stress

Prolonged meteorological droughts in the south challenge agro-industrial processors, pulp mills, and coastal utility supplies, driving urgent Capex toward zero-liquid discharge (ZLD) and brackish/marine water treatment.

Sines Green Hydrogen Hub

The transformation of Sines into a pan-European clean energy corridor demands massive quantities of ultra-pure demineralized feedwater with conductivities <0.1 μS/cm for gigawatt-scale polymer electrolyte membrane (PEM) electrolyzers.

Lithium Refining Demands

Northern interior lithium exploration and refining sites necessitate specialized brine concentration arrays and recovery crystallization circuits to maintain local river basin health while recovering battery-grade metals.

>98.5%
Salt Rejection Index
18.2 MΩ
Resistivity Threshold
Up to 85%
High-Recovery RO Limits
EN 1090
Fabrication Standard
Global Benchmark Engineering

Turnkey OEM/ODM Engineering: From Skid to Superstructure

Combining cost-effective manufacturing precision with strict adherence to Western European process performance guarantees.

Modular ISO Containerization

Factory-assembled in corten steel marine enclosures (20ft/40ft High Cube), complete with anti-corrosion internal coatings, thermal HVAC dampening, and pre-commissioned plug-and-play field tie-ins.

Dynamic Energy Recovery (ERD)

Incorporating state-of-the-art isobaric pressure exchangers, reducing SWRO specific energy consumption (SEC) down to <2.8 kWh/m³—critical for Portuguese energy tariff optimization.

AI-Driven Diagnostic Automation

Integrated Siemens S7-1500 or Allen-Bradley PLCs featuring edge-computing sensors that forecast scaling indices (LSI/SDI), initiate clean-in-place (CIP) regimens, and enable remote engineering audits.

Regulatory Assurance

European Compliance & Local Portuguese Support

Eliminating deployment risk with full adherence to Directives and local environmental frameworks.

EU Machinery & Pressure Safety

Complete certification under Pressure Equipment Directive (PED 2014/68/EU), Machinery Directive (2006/42/EC), and Low Voltage Directive (2014/35/EU) stamped with official CE markings.

Portuguese APA Licensing Support

Detailed technical construction files (TCF), chemical dosing profiles, and effluent discharge impact dossiers formatted for seamless submittal to regional hydrographic administrations (ARH).

On-Site Commissioning & Spares

Factory-trained service teams supporting field hookup across Lisbon, Porto, Setúbal, and Faro, backed by dedicated European inventory of high-pressure seals, instrumentation, and membranes.

Engineering Horizon

Industrial Water Treatment Technology Roadmap

Strategic development targets designed to align OEM/ODM infrastructure with 2030 sustainability benchmarks.

Phase 1

Ceramic Ultrafiltration

Transitioning from polymeric hollow-fibers to silicon carbide (SiC) membranes for extreme thermal tolerance and oil-water separation in petrochemical streams.

Phase 2

Ultra-High Pressure RO

Expanding reverse osmosis operational pressures up to 120-150 bar, reducing evaporator energy draw in brine concentration schemes.

Phase 3

Low-Carbon Zero Discharge

Deploying mechanical vapor recompression (MVR) units powered by on-site renewable photovoltaic microgrids across Southern Portugal.

Phase 4

Autonomous Operation

Full integration of self-tuning AI scada networks to dynamically adapt cross-flow velocity based on real-time membrane fouling spectroscopy.

Knowledge Base

Frequently Asked Technical & Commercial Questions

Essential guidance for procurement directors, plant engineers, and EPC contractors sourcing for Portuguese projects.

What specific logistics and transport protocols govern deliveries to Lisbon, Leixões, and Sines?
We handle door-to-door, CIF, and DDP shipments via primary Portuguese maritime terminals including the Port of Sines and the Port of Leixões (Porto). Skid and container assemblies are packaged in heavy-duty ocean-worthy vapor-sealed barrier foils with desiccants, protected inside seaworthy steel frames that meet standard road transport gauges across Portuguese motorways (A1, A2, A26).
How does Tongjie guarantee compliance with Portuguese Decree-Law no. 152/2017 on wastewater reuse?
Our water recycling configurations incorporate multi-barrier designs (UF + Double Pass RO + Advanced Oxidation / UV disinfection) engineered to satisfy the classes (A to E) defined in the Portuguese legislative framework for agricultural, industrial, and urban non-potable re-use, ensuring microbiological and chemical parameter compliance.
Can systems be tailored to meet extreme coastal marine salinity in the Atlantic/Algarve?
Yes. Atlantic open-intake water routinely reaches 36,000 to 38,000 mg/L TDS with sharp seasonal variations in temperature and silt density index (SDI). We utilize high-grade duplex (2205) and super duplex (2507) stainless steel wetted components, high-rejection polyamide seawater membranes, and automated flocculation/DAF pretreatment setups to eliminate biofouling and chloride pitting.
What documentation is provided to support plant validation in pharmaceutical and food applications?
Every OEM/ODM pharmaceutical unit is furnished with comprehensive GMP-compliant Validation Dossiers, including Design Qualification (DQ), Installation Qualification (IQ), and Operational Qualification (OQ) protocols, 3.1 material certificates for 316L stainless steel, orbital welding video borescope logs, surface roughness (Ra < 0.4 μm) reports, and calibration records.

Ready to Engineer Your Water Treatment Plant?

Connect with our technical design team to review your feed water analysis, process flow diagrams (PFD), and custom equipment specifications.

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