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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. — a leading manufacturer with over 8 years of expertise in industrial water treatment. Our High-Salt Chemical Wastewater Treatment by DTRO Membrane, 380V Industrial Desalination Unit, Low Energy is specifically engineered to tackle the toughest wastewater challenges. Combining advanced disc tube reverse osmosis (DTRO) technology with energy-efficient design, this unit delivers superior desalination performance while keeping operational costs low. Whether you are treating high-salinity chemical effluent, landfill leachate, or mining wastewater, our solution ensures reliable, continuous operation with minimal environmental footprint.
Key Features & Benefits
- DTRO Membrane Technology – Patented disc-tube design resists fouling and scaling, handling TDS up to 100,000 mg/L with ease.
- Low Energy Consumption – Advanced energy recovery pump reduces power usage to ≤5 kWh/m³, cutting electricity costs by up to 30% compared to traditional systems.
- 380V Industrial Grade – Standard three-phase power supply for seamless integration into existing industrial facilities.
- Modular & Expandable – Skid-mounted design allows quick installation and future capacity upgrades without major retrofitting.
- High Recovery Rate – Achieve 65%-85% water recovery, minimizing brine volume and disposal costs.
- Automatic PLC Control – Intelligent operation with real-time monitoring, remote alarm, and self-cleaning function.
- Robust Construction – Stainless steel (316L) or FRP frame ensures corrosion resistance in harsh chemical environments.
- Wide Application Range – Suitable for chemical plants, paper mills, pharmaceutical factories, oil & gas fields, and more.
Technical Specifications
| Parameter | Value |
| Model | CQ-DTRO-380 (customizable) |
| Rated Voltage | 380V / 50Hz, 3-phase |
| Power Consumption | ≤5 kWh/m³ (typical) |
| Operating Pressure | 60 – 90 bar (adjustable) |
| Recovery Rate | 65% – 85% (based on feed water) |
| Desalination Rate | ≥98% |
| Treatment Capacity | 0.5 – 100 m³/day (customizable) |
| Membrane Type | DTRO membrane (≥300 psi rating) |
| Material | 316L Stainless Steel / FRP |
| Control | PLC + HMI touch screen |
Why Choose Our DTRO Desalination Unit?
- Proven Performance – Over 500 units installed globally in the last 5 years, treating high-salt wastewater from chemical, mining, and food industries.
- Energy-Saving Design – Our patented energy recovery system reduces overall power demand, making it one of the most economical options available.
- Low Maintenance – DTRO membranes are less prone to fouling, requiring fewer chemical cleanings and longer service life (3-5 years).
- Compact Footprint – Skid-mounted design saves valuable floor space and allows easy relocation.
- Customizable Solutions – We can tailor the system to your specific feed water composition and desired effluent quality (e.g.,
- Global Support – With a dedicated after-sales team and offices in 20+ countries, we provide local installation, training, and spare parts.
Trust & Credentials
As a manufacturer founded in 2015 with a 10,000-30,000 m² factory and 201-300 employees, Qingdao Conqinphi Environmental Technology Group has built a solid reputation in the water treatment industry. Our annual export value exceeds $10 million USD, and we actively serve markets across North America, Europe, Southeast Asia, Africa, and the Middle East. We hold multiple quality and safety certifications including ISO9001, ISO14001, OHSAS18001, SA8000, and HACCP. Every unit undergoes rigorous testing before shipment to ensure long-term reliability.
Our DTRO desalination unit is backed by over 8 years of R&D experience in high-salinity wastewater treatment. From initial site assessment to commissioning and ongoing support, our engineering team works closely with you to deliver a solution that meets your exact requirements. Contact us today for a free feasibility study or quotation — let us help you turn your wastewater into a valuable resource while reducing environmental impact.
Frequently Asked Questions (FAQ)
Q1: What is DTRO membrane and how is it different from traditional RO?
A: DTRO (Disc Tube Reverse Osmosis) uses a unique flat-sheet membrane wrapped around a support tube, creating narrow feed channels that resist clogging. Unlike spiral-wound RO, DTRO can handle higher suspended solids and chemical fouling, making it ideal for high-salt wastewater without extensive pretreatment.
Q2: Can this unit treat wastewater with TDS above 50,000 mg/L?
A: Yes. Our DTRO system is designed to handle feed water with TDS up to 100,000 mg/L. The high operating pressure (up to 90 bar) and robust membrane structure ensure stable desalination even under extreme salinity.
Q3: What is the typical energy consumption per cubic meter of treated water?
A: Under normal operating conditions, our unit consumes ≤5 kWh/m³. Actual consumption may vary based on feed salinity, temperature, and recovery rate. The built-in energy recovery pump significantly reduces power usage compared to conventional RO systems.
Q4: How often does the membrane need cleaning or replacement?
A: Cleaning frequency depends on feed water quality, but typically every 2-4 months with a simple CIP (Clean-in-Place) process. Membrane lifespan is 3-5 years under proper maintenance. We provide detailed cleaning guidelines and remote support.
Q5: Is the system fully automatic? Can it be integrated with existing SCADA?
A: Yes. The unit comes with a PLC controller and HMI touch screen for full automation. It supports Modbus RTU/TCP communication for integration with your plant’s SCADA or BMS system. Alarms and remote monitoring are available.
Q6: What are the delivery lead times and warranty terms?
A: Standard lead time is 30-45 days after order confirmation. We offer a 12-month warranty on the entire system (excluding consumables). Extended warranties and service contracts are available upon request.
Q7: Do you provide installation and training?
A: Yes. Our experienced engineers can supervise on-site installation and provide training for your operators. Alternatively, we offer remote commissioning via video support. Spare parts are stocked in multiple regions for quick delivery.
Q8: Can this unit handle intermittent operation or variable flow rates?
A: Absolutely. The system is designed for flexible operation, including start/stop cycles and turndown to 30% of rated capacity. The control software automatically adjusts pressure and flow to maintain efficiency.
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