DTRO & STRO High-Pressure Membrane Concentration System
High-pressure disk tube & spacer tube RO membranes built for severe fouling and elevated TDS brine streams.
China DTRO&STRO High-pressure membrane Concentration System Factories, Manufacturers
Core Product Lineup
Featured Industrial Systems for Thailand’s Manufacturing Sector
Engineered to withstand harsh feed water parameters, extreme salinity, and rigorous discharge standards across Thailand’s industrial zones.
High-Salinity Wastewater Volume Reduction & ZLD System
Thermal and membrane hybrid integration designed to shrink industrial effluent volumes and achieve crystal recovery.
Wholesale High-Salinity Wastewater Volume Reduction & ZLD System Suppliers, Manufacturer
Osmosis-Assisted Reverse Osmosis (OARO) System
Breaking standard RO hydraulic pressure limits to concentrate brine beyond standard seawater desalination thresholds.
CE Certification Osmosis-Assisted Reverse Osmosis Factory, Suppliers
Drilling, Completion & Workover Waste Fluids System
Heavy-duty oilfield and industrial fluid treatment skids designed for mobile, high-COD, high-mineral wastewater.
OEM Drilling, Completion, and Workover Waste Fluids Supplier, Manufacturers
Regional Market Assessment
Thailand’s Industrial Ecosystem & The High-Salinity Wastewater Challenge
As Thailand accelerates its evolution toward "Thailand 4.0", industrial manufacturing centers in the Eastern Economic Corridor (EEC)—encompassing Rayong, Chonburi, and Chachoengsao—are experiencing unprecedented growth. However, this expansion brings severe water scarcity and regulatory pressures.
EEC Zone Water Scarcity
Industrial estates in Rayong and Chonburi face acute seasonal droughts. Raw surface water availability fluctuates wildly, forcing plants to maximize internal water recycling rates beyond 90% to maintain baseline production safety.
Strict IEAT Regulations
The Industrial Estate Authority of Thailand (IEAT) and the Department of Industrial Works (DIW) have enforced stringent Total Dissolved Solids (TDS), Heavy Metal, and Chemical Oxygen Demand (COD) limits, pushing factories toward Zero Liquid Discharge (ZLD).
Salt Intrusion in Rivers
Rising sea levels lead to saltwater intrusion into the Chao Phraya and Bang Pakong rivers during dry seasons. Surface water TDS often spikes dramatically, crippling conventional Reverse Osmosis (RO) pretreatment trains.
Industry Insights for Thai Plant Engineers:
Conventional wastewater treatment methods—such as basic biological aeration or standard brackish water RO—are inadequate when handling high-salinity streams exceeding 15,000 mg/L TDS. High hardness (Ca²⁺, Mg²⁺), silica, and organic fouling in Thai petrochem and agro-processing wastewater cause rapid membrane scaling, leading to frequent chemical cleaning, high replacement costs, and unbudgeted plant shutdowns.
Global Engineering Standards
Global Procurement Shift: Total Cost of Ownership (TCO) & Energy Efficiency
Multinational corporations operating in Thailand (Japanese, European, American, and Chinese joint ventures) are transitioning from low-CAPEX equipment selection to lifecycle TCO evaluation. Water treatment systems are no longer viewed merely as compliance hardware, but as strategic core assets.
1. Energy-Optimized Volume Reduction
Thermal evaporation (MVR/MED) requires immense electrical and steam energy (often 30–50 kWh/m³). Modern industrial procurement favors advanced membrane pre-concentration (DTRO, STRO, OARO) to boost TDS up to 100,000–120,000 mg/L before thermal stages. This slashes overall ZLD operational energy consumption by up to 60%.
2. Modular & Containerized Rapid Deployment
On-site civil construction in Thailand often suffers from weather delays during the monsoon season. Global procurement teams prioritize skid-mounted, containerized membrane systems that arrive 100% factory pre-assembled, wired, and tested in China, enabling plug-and-play commissioning within days of site delivery.
3. Heavy-Fouling Resistance & Material Durability
High salt, high temperature, and corrosive chemical environments demand superior metallurgy and membrane materials. Procurement standards require Super Duplex 2507, Titanium cladding, Hastelloy pressure components, and specialized anti-scaling membrane chemistry capable of operating reliably at up to 120 bar pressure.
4. AI-Powered Smart SCADA & Remote Diagnostic
With skilled water treatment labor in high demand across Thailand, automated systems with cloud telemetry, automated chemical dosing, self-adjusting flux rates, and predictive membrane cleaning (CIP) alerts are critical for maintaining continuous operating uptime.
120 Bar
Max DTRO Operating Pressure
>95%
Water Recovery Efficiency
60%
Thermal Energy Savings
ISO/CE
Certified Global Standards
Manufacturing Excellence
China Industry 4.0: Supply Chain Resilience & Cost-Efficiency
As a premier Chinese environmental water treatment equipment manufacturer, Shanghai Tongjie leverages the world's most complete industrial supply chain to provide Thai customers with unmatched technical performance and cost competitiveness.
Vertical Manufacturing & Precision Engineering
From laser cutting and automated robotic welding of stainless steel pressure vessels to CNC machining of high-pressure DTRO disc components, our Shanghai smart factory controls every stage of production. This eliminates middleman markups and guarantees strict quality control under ISO 9001, 14001, and 45001 management systems.
- Direct Tier-1 Global Component Integration: Danfoss high-pressure pumps, DuPont Filmtec / Toray membranes, Siemens PLC automation, and Schneider electricals.
- Extensive Patent Portfolio: Over 38 invention and utility patents focused on high-salinity membrane anti-scaling, OARO flow dynamics, and MVR thermal efficiency.
Rapid Freight & ASEAN Logistics Synergy
Located near Shanghai Port, Tongjie provides fast shipping routes to Laem Chabang Port in Thailand. With Form E Certificate of Origin under the China-ASEAN Free Trade Agreement (ACFTA), Thai importers benefit from zero or reduced tariff duties, significantly lowering total procurement costs.
Factory Acceptance Testing (FAT) Assurance
Every modular skid undergoes 100% full-load hydraulic, electrical, and membrane pressure testing before shipping, ensuring hassle-free startup in Thailand.
Application Scenarios
Tailored Water Solutions Across Thai Key Sector Verticals
Different industrial sectors generate vastly different wastewater chemistry. Our custom-engineered process trains target specific key industries across Thailand’s main manufacturing hubs.
1. Map Ta Phut Petrochemical & Chemical Complexes (Rayong)
Challenge: Extremely high COD, volatile organic compounds (VOCs), and sodium chloride/sulfate TDS exceeding 40,000 mg/L.
Tongjie Solution: Advanced oxidation pre-treatment combined with 90-bar DTRO disk-tube membrane skids, concentrating brine to >100,000 mg/L TDS before feeding into high-efficiency MVR evaporators for total salt crystallization and pure water recovery.
2. Electronics, PCB & Semiconductor Parks (Prachinburi & Chachoengsao)
Challenge: Heavy metal contaminants (Cu²⁺, Ni²⁺, Zn²⁺), fluoride, and stringent requirement for high-resistivity process water reuse.
Tongjie Solution: Two-pass RO combined with Electrodeionization (EDI) systems and specialized heavy metal scavenging pretreatment, producing ultra-pure water while reducing hazardous liquid waste discharge to minimal levels.
3. Agro-Processing, Cassava Starch & Food Factories (Ayutthaya & Isan)
Challenge: Extreme biological oxygen demand (BOD), high COD organic loads, and severe bio-fouling potential.
Tongjie Solution: Anaerobic digestate treatment utilizing open-channel STRO (Spacer Tube RO) and UF pre-filtration, converting foul wastewater into reusable boiler feed water while recovering valuable organic concentrates.
4. Gulf of Thailand Marine & Energy Sectors
Challenge: Oilfield produced water, fracturing flowback, and offshore platform water purification needs.
Tongjie Solution: Containerized Seawater Reverse Osmosis (SWRO) & produced water de-oiling skid modules, delivering stable drinking and technical water under harsh marine corrosion conditions.
Technical Whitepaper Deep-Dive
Selecting the Right Concentrating Technology: DTRO vs STRO vs OARO vs MVR
Choosing the correct technological path is critical to avoiding scaling, membrane failure, and excessive operational expenditure. Below is an engineering comparison matrix designed for plant technical directors.
| Technology | Operating Pressure | Max Feed TDS (mg/L) | Fouling Tolerance | Relative OPEX (kWh/m³) | Optimal Application in Thailand |
|---|---|---|---|---|---|
| DTRO (Disk-Tube RO) | 70 - 120 Bar | 80,000 - 120,000 | Very High (Open channel) | 12 - 18 kWh/m³ | Petrochem brine, landfill leachate, chemical ZLD concentration. |
| STRO (Spacer-Tube RO) | 60 - 90 Bar | 50,000 - 80,000 | High (Open mesh) | 8 - 14 kWh/m³ | Agro-processing, starch, textile effluent, medium high-salt streams. |
| OARO (Osmosis-Assisted RO) | 70 - 100 Bar | 120,000 - 180,000 | Medium High | 10 - 16 kWh/m³ | Ultra-high salinity concentration before thermal evaporators. |
| MVR (Mechanical Vapor Recompression) | Thermal / Vacuum | > 200,000 to Saturation | N/A (Thermal) | 35 - 65 kWh/m³ | Final zero liquid discharge crystallization stage. |
Full Product Catalog
Explore Our Complete Factory-Direct Water Treatment Systems
Comprehensive OEM/ODM water treatment units engineered in Shanghai and customized for Thailand's industrial, municipal, and commercial sectors.
High-Ratio Water Reuse Equipment (UF & RO)
Ultra-filtration and Reverse Osmosis combinations maximizing effluent recycling for cooling towers and rinse tanks.
ODM High-Ratio Water Reuse Equipment Suppliers in China - Factory Direct Ultra-filtration & Reverse Osmosis Solutions Supplier, Manufacturer
Customized Environmental Water Treatment Engineering
Tailor-made skid fabrications designed to fit tight factory floor footprints and specific chemical profiles.
OEM Precision Manufacturing: China Suppliers and Factory for Customized Environmental Water Treatment Solutions Factory, Manufacturer
Advanced Pretreatment, UF & RO Factory Solutions
Heavy-duty clarifier, multimedia, and UF skid pretreatment to extend downstream RO membrane operating life.
China High-Ratio Water Reuse Equipment Supplier in China - Advanced Pretreatment, UF, and RO Factory Solutions Manufacturers, Manufacturer
Oilfield Fracturing Flowback Fluid ZLD Treatment System
Specialized de-oiling, softening, and membrane separation skids for reinjection and zero liquid discharge.
CE Certification China Oilfield Fracturing Flowback Fluid Treatment System - Suppliers & Factory for Zero-Discharge Solutions Factories, Factory
Industrial Demineralized Low-Conductivity Water System
Precision ion-exchange and double-pass RO skids delivering low conductivity water for boilers and power plants.
ODM Industrial Demineralized Water Equipment from China Suppliers - High-Quality Factory Solutions for Low Conductivity Water Factory, Suppliers
Deoxygenation Membrane Physical Degassing Unit
Membrane contactor technology efficiently removing dissolved oxygen (DO) and CO2 without chemical additions.
China China Suppliers Deoxygenation Membrane Equipment Factory for Efficient Physical Degassing of Water Factory, Supplier
Food & Beverage Process Water Purification System
Sanitary stainless steel water purification systems meeting international food safety and beverage production standards.
OEM Food&Beverage Process Water System Factory, Suppliers
Semiconductor & Electronics Ultra-Pure Water System
High-grade RO-EDI-UV polished process water trains generating up to 18.2 MΩ·cm resistivity water for microelectronics.
China China Ultra-Pure Water System for Semiconductor & Electronics - Reliable Suppliers & Factory Solutions Factory, Suppliers
Technical & Procurement FAQ
Frequently Asked Questions by Thai Factory Owners & EPC Contractors
Clear engineering answers regarding system design, delivery schedules, logistics, and local compliance in Thailand.
What water quality metrics are required to engineer a high-salinity ZLD or DTRO system for a Thai plant?
To provide an accurate mass-balance calculation and guaranteed system design, we require:
- Comprehensive Raw Water Analysis: TDS, Electrical Conductivity, pH, Hardness (Ca²⁺, Mg²⁺), Reactive Silica (SiO₂), Sulfate (SO₄²⁻), Chloride (Cl⁻), COD/BOD, and Total Suspended Solids (TSS).
- Daily Flow Rate Requirements: Average m³/hour and peak m³/day capacity.
- Target Reuse Standard: Desired permeate TDS (e.g., <100 mg/L for boiler feed, or <500 mg/L for cooling tower makeup).
- Site Conditions: Ambient temperature, electrical specs (380V/50Hz/3-Phase standard in Thailand), and available footprint.
How do Tongjie membrane systems handle scaling and organic fouling in Thailand’s high-temperature climate?
Our high-salinity systems incorporate three layers of defense:
- Pretreatment Softening & Advanced Oxidation: Chemical softening or UF reduces scaling ions (silica and calcium carbonate) prior to membrane contact.
- Disc-Tube (DTRO) Open-Channel Architecture: Unlike spiral-wound membranes, DTRO features open feed channels with turbulent flow, preventing foulants from trapping on membrane surfaces.
- Automated Smart CIP (Clean-In-Place): Integrated Siemens SCADA automatically triggers timed or pressure-differential chemical washes using localized pH-optimized cleaning agents.
What is the delivery timeline from Shanghai factory completion to Laem Chabang Port, Thailand?
Standard skid-mounted or containerized systems take approximately 30 to 45 days for complete fabrication and Factory Acceptance Testing (FAT) at our Shanghai facility. Shipping from Shanghai Port to Laem Chabang or Bangkok Port typically requires only 7 to 10 days at sea, making total turnaround exceptionally fast compared to European or US suppliers.
Does Shanghai Tongjie support on-site installation and commissioning in Thailand?
Yes. We offer flexible engineering support options:
- On-Site Field Engineers: Senior process engineers dispatched to your facility in Chonburi, Rayong, or anywhere in Thailand to oversee mechanical assembly, electrical wiring checks, and live fluid commissioning.
- Remote Augmented Guidance: 24/7 video and IoT remote control connection, enabling instant software adjustments and real-time monitoring.
- Local Operator Training: Detailed operational hands-on training and customized O&M manuals provided in English and Thai.
How does Form E Certificate of Origin impact duty fees for importing equipment to Thailand?
Under the China-ASEAN Free Trade Agreement (ACFTA), Shanghai Tongjie provides official Form E documentation. This allows registered Thai importers and local EPC contractors to import our industrial water treatment machinery under zero or substantially reduced import tariffs, yielding immediate savings on import taxes.
Can Tongjie manufacture OEM / ODM skids under our engineering brand?
Absolutely. We act as a trusted contract manufacturing hub for global water treatment engineering companies and local Thai EPC contractors. We offer white-label skid fabrication, custom electrical panel designs, proprietary PLC software integration, and customized stainless steel branding plates according to your precise client specifications.
Ready to Solve Your Wastewater & ZLD Challenges in Thailand?
Connect directly with our senior technical engineering team in Shanghai. Get a customized engineering proposal, mass balance diagram, and factory-direct price quotation within 24 hours.