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Qingdao Conqinphi Environmental Technology Group Co., Ltd., a professional manufacturer established in 2015, proudly presents the 15kW High-Salt Wastewater Membrane Filtration System with Reverse Osmosis and 480V Three-Phase Auto Control. This system is engineered to tackle the most challenging high-salinity industrial wastewater streams, delivering reliable, energy-efficient desalination and concentration. With a factory spanning 10,000-30,000 square meters and an annual export value of US$10-50 million, we combine advanced manufacturing capabilities with rigorous quality control to offer a solution that significantly reduces operating costs while meeting stringent environmental discharge standards.
The integrated automatic control system (480V three-phase, PLC-based) ensures stable operation under varying feed conditions, minimizing manual intervention and maximizing uptime. Whether you are treating brine from desalination, textile dyeing, petrochemical refining, or landfill leachate, this system provides consistent performance with up to 75% water recovery rates (depending on feed composition). Backed by our team of over 200 skilled employees and certifications including ISO9001, ISO14001, OHSAS18001, HACCP, and SA8000, every unit is built to international standards for long-term durability.
Key Features & Technical Specifications
- High-Pressure RO Membranes: Designed specifically for high-salinity feed water (TDS up to 50,000 mg/L) with anti-scaling and anti-fouling properties.
- 15kW Rated Power: Efficient high-pressure pump driven by 480V three-phase motor, delivering up to 60 bar operating pressure.
- Fully Automatic Control: PLC + HMI touchscreen interface with auto-start/stop, alarm for high pressure/low flow, and remote monitoring capability (optional).
- Robust Construction: Stainless steel 316L framework and high-grade piping to resist corrosion from chloride and other aggressive ions.
- Flexible Configuration: Single-pass or double-pass RO arrangement based on required permeate quality; optional concentrate recirculation for higher recovery.
- Pre-Filtration Integration: Includes multimedia filter, cartridge filter, and antiscalant dosing system to protect membranes and extend service life.
- Compact Footprint: Skid-mounted design for easy installation and maintenance.
Technical Parameters (Standard Model)
| Parameter | Value |
| Rated Power | 15 kW |
| Voltage / Phase / Frequency | 480V / 3-Phase / 60Hz (customizable) |
| Feed Flow Rate | 8-15 m³/h (depending on TDS) |
| Permeate Flow Rate | 3-10 m³/h |
| Max Operating Pressure | 60 bar |
| Membrane Type | RO spiral wound (high-rejection, low-fouling) |
| Material of Construction | Stainless steel 316L / Super Duplex (optional) |
| Control Interface | 7" HMI Touchscreen + PLC (Siemens or equivalent) |
| Dimensions (L×W×H) | 3800×1800×2200 mm (approx.) |
Customer Benefits
- Lower Operating Costs: Advanced energy recovery (optional) and high-efficiency pumps reduce electricity consumption by up to 15% compared to conventional systems.
- Extended Membrane Life: Automatic flush cycles and intelligent antiscalant dosing prevent scaling and fouling, reducing replacement frequency.
- Compliance with Discharge Standards: Produces clean permeate suitable for reuse or discharge (
- Minimal Downtime: Spare parts readily available; remote diagnostics and support from our Qingdao-based engineering team.
- Customizable Design: We adapt the system to your specific feed water analysis, flow rate, and space constraints.
Why Choose Qingdao Conqinphi?
Since 2015, we have successfully delivered membrane systems to over 20 countries across North America, Europe, Asia, and Africa. Our factory, certified under ISO9001, ISO14001, OHSAS18001, and HACCP, ensures consistent product quality and environmental responsibility. With an annual export value surpassing US$10 million and a dedicated team of 200+ professionals, we provide end-to-end support—from design and manufacturing to installation and after-sales service.
Every 15kW High-Salt Wastewater Membrane Filtration System undergoes rigorous pressure testing and performance validation before dispatch. We are confident that this solution will reduce your wastewater treatment costs while meeting environmental compliance. Contact our team today for a customized proposal and engineering review based on your site conditions.
FAQ
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Q: What is the maximum feed TDS the system can handle?
A: The standard system is designed for feed water with TDS up to 50,000 mg/L. Higher TDS can be accommodated with additional high-pressure modules and energy recovery devices—please consult our engineers. -
Q: Can the system operate on 380V or 400V instead of 480V?
A: Yes. The motor and control components can be configured for 380V/50Hz or 400V/50Hz three-phase supply. Please specify your local voltage when ordering. -
Q: What is the typical membrane replacement interval?
A: With proper pretreatment and regular maintenance, RO membranes typically last 2-4 years. The actual lifespan depends on feed water quality and operating conditions. -
Q: Does the system include a cleaning-in-place (CIP) unit?
A: A CIP system can be added as an optional module. The basic system includes connections for external CIP flushing. -
Q: How long does installation and commissioning take?
A: On-site installation usually takes 3–5 days. Our technical team can provide remote guidance or on-site supervision (travel expenses extra). -
Q: What certifications does the system hold?
A: Our manufacturing facility is certified under ISO9001, ISO14001, OHSAS18001, and HACCP. The system components (pumps, membranes, valves) meet relevant CE or UL standards upon request. Please specify your target region. -
Q: Is the auto control system compatible with SCADA?
A: Yes. The PLC can be equipped with Modbus RTU/TCP, Profibus, or Ethernet/IP for integration with your existing SCADA system. This is a customizable option. -
Q: What is the warranty period?
A: We offer a standard 12-month warranty from the date of commissioning, covering defects in materials and workmanship. Extended warranty plans are available.
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