Direct-from-Factory Deployment
High-Efficiency Water Conservation & Purification Machinery
Explore our pre-configured industrial membrane units, precision skids, and continuous water reuse assemblies ready for OEM/ODM integration.
Enterprise Information Gain: Architectural Membrane Paradigms
In contemporary industrial manufacturing, conventional water treatment approaches that discharge effluent into municipal grids are no longer economically or environmentally viable. Shanghai Tongjie combines Osmosis-Assisted Reverse Osmosis (OARO), Disc Tube Reverse Osmosis (DTRO), and MVR thermal crystallizers to achieve over 98% internal recycling loops, drastically decreasing total cost of ownership (TCO) across petrochemical, pharmaceutical, and microelectronic complexes.
R&D Architecture
Water Conservation Technology Roadmap & Future Outlook
Strategic technological evolution driving next-generation high-salinity brine management, carbon reduction, and algorithmic water management.
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Next-Gen Osmosis-Assisted RO (OARO)
OARO breakthroughs enable hydraulic pressures that transcend the thermodynamic limitations of legacy RO membranes. By leveraging counter-current salinity balances, our systems safely reach brine saturation thresholds of up to 220,000 mg/L TDS, reducing thermal crystallizer duty cycles by 65% and saving massive electrical inputs per cubic meter.
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AI-Driven Membrane Flux Analytics
Integrating distributed IoT sensors with Edge-AI controllers enables predictive biofouling prevention and dynamic clean-in-place (CIP) scheduling. Neural predictive models dynamically adjust antiscalant dosing and trans-membrane pressure (TMP) curves according to raw water turbidity and SDI shifts, expanding membrane life by 35%.
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Selective Salt Valorization & Circularity
Moving beyond basic disposal, our advanced zero liquid discharge (ZLD) schemes separate mixed salines into industrial-grade sodium sulfate (Na₂SO₄) and sodium chloride (NaCl) with purity exceeding 98.5%. Waste streams transition from hazardous liability to monetizable chemical raw materials for chlor-alkali and textile processes.
Smart Manufacturing Engine
China Factory 4.0: Supply Chain Resilience & Efficiency Advantages
Shanghai Tongjie operates world-class automated production lines ensuring precision engineering, rapid delivery cycles, and uncompromised quality.
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End-to-End Skid Fabrication
Our ISO-certified Shanghai facility handles stainless steel orbital welding, high-pressure piping integration, pressure vessel testing, and control cabinet assembly under one unified roof, eliminating third-party subcontractor friction.
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Modular Containerization
Pre-engineered standard 20ft and 40ft high-cube insulated containers allow rapid overseas shipping. Skids arrive on-site as plug-and-produce modules requiring only electrical, feed, and discharge tie-ins.
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100% Factory Acceptance Testing (FAT)
Every membrane array, pump train, and PLC control system undergoes wet simulation tests with real-world salinity and hydro-pressure stress before leaving the dock, reducing commissioning time to under 15 days.
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Agile Component Sourcing
Strategic inventory reserves of high-pressure pumps (Danfoss, Grundfos), Dow FilmTec membranes, and Siemens/Schneider automation ensure consistent delivery schedules unaffected by global trade anomalies.
Engineered Solutions
Macro-Industry Integrated Water Solutions
Tailored treatment matrices addressing unique feed chemistry, recovery metrics, and stringent regulatory discharge limits.
Oil & Gas / Petrochemical
Fracturing flowback & produced water reclamation
- Residual oil removal down to ≤5 mg/L
- Open-channel DTRO high-fouling endurance
- Reinjection compliance for deep-well safety
- Remote SCADA telemetry for harsh terrain
Semiconductors & Photovoltaics
Electronic-grade ultra-pure water (UPW)
- Continuous 18.2 MΩ·cm resistivity production
- Double-pass RO + Continuous EDI polishing
- TOC reduction down to sub-ppb thresholds
- Class 10,000 cleanroom skid packaging
Pharmaceutical & Bioprocessing
Purified water & Water for Injection (WFI)
- cGMP, FDA, and EU-Annex 1 compliance
- Automated hot water sanitization cycles
- 316L stainless steel orbitally welded tracks
- Complete 21 CFR Part 11 electronic data logs
Procurement Governance
Addressing Global Procurement Demands & Compliance
Mitigating cross-border engineering risks through rigorous validation protocols, bilingual engineering support, and international codification.
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International Certification
All machinery strictly complies with CE machinery and low-voltage directives, ASME section VIII pressure vessel standards, and ISO 9001, ISO 14001, and ISO 45001 management regimes.
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Global Field Engineering
Multilingual commissioning engineers provide rapid on-site setup or encrypted remote video telemetry support across Southeast Asia, the Middle East, Central Asia, and Latin America.
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Validation & Traceability
We provide full DQ, IQ, OQ qualification documentation sets, material mill test certificates (EN 10204 3.1), and complete electrical P&ID blueprints formatted to client EPC standards.
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Lifecycle Parts Guarantee
Long-term availability agreements guarantee replacement membrane modules, specialized filter cartridges, and high-pressure seal kits with priority air dispatch worldwide.
Technical FAQ
Frequently Asked Procurement & Technical Questions
Essential operational, engineering, and commercial clarity for industrial EPC contractors and engineering procurement managers.
What engineering variables are required to receive an accurate mass-balance and proposal?
To accurately model your water treatment scheme, our engineering team requires:
(1) Comprehensive raw water laboratory analysis including Total Dissolved Solids (TDS), electrical conductivity, silica, scaling cations (Ca²⁺, Mg²⁺, Ba²⁺, Sr²⁺), total organic carbon (TOC), and Silt Density Index (SDI);
(2) Hourly and daily permeate production targets (m³/day);
(3) Targeted product water quality (potable, boiler feed, or ultra-pure specs);
(4) Ambient and feed water seasonal temperature range;
(5) On-site power infrastructure (voltage, frequency 50/60 Hz, phase specifications);
(6) Footprint constraints and preference for skid-mounted or ISO containerized delivery.
How does Tongjie's containerized seawater RO reduce deployment lead times?
Unlike traditional field-erected civil water works that require 6 to 18 months of construction, Tongjie containerized seawater desalination systems are fully prefabricated, plumbed, wired, and dynamically tested at our Shanghai factory. The container functions as a climate-controlled plant room equipped with marine-grade coatings, sound attenuation, lighting, and HVAC. Upon delivery, the system only requires raw water intake, reject/permeate discharge piping, and main power tie-ins, reducing on-site commissioning to within 7 to 15 days.
How do your ZLD systems manage scaling during extreme brine concentration?
Membrane scaling is prevented using a tiered process architecture: First, our softening stage reduces calcium, magnesium, and silica concentrations via chemical precipitation or ion exchange. Next, high-flux open-channel Disc Tube RO (DTRO) or Osmosis-Assisted RO (OARO) modules are deployed with dynamic pH control and proprietary antiscalant dosing. Finally, mechanical vapor recompression (MVR) or falling film crystallizers concentrate the remaining liquor into solid salts, utilizing forced circulation to avoid tube-wall scale formation.
Can you manufacture private-label (OEM/ODM) systems for regional EPC contractors?
Yes, a significant portion of our capacity is dedicated to OEM/ODM engineering for international partners. We supply unbranded or private-labeled skids, custom container paint schemes, tailored HMI interface branding, custom PLC software logic (Siemens, Allen-Bradley, Omron), and customer-branded technical documentation manuals that seamlessly integrate into the contractor's regional market offering.
What warranties and quality assurances are standard with Tongjie systems?
Every Tongjie system carries a standard 12-to-24 month comprehensive warranty from commissioning date covering structural skids, high-pressure piping, and system automation. Core components like pressure vessels and membrane elements follow original manufacturer performance guarantees backed by our rapid spare-part replacement agreement. Lifetime technical support and remote SCADA diagnostic assistance are included with all industrial deliveries.
Continuous Product Showcase
Explore Additional Factory-Direct Water Treatment Equipment
High-salinity concentration modules, degassing assemblies, and mobile seawater systems ready for immediate order fulfillment.
