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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. As a professional manufacturer established in 2015 with a factory spanning over 10,000 square meters and annual export value between USD 10 million and USD 50 million, we are proud to introduce our High-Salinity Textile Dyeing Wastewater Recycling Plant. This state-of-the-art solution is specifically engineered to tackle the challenge of high-salinity wastewater from textile dyeing processes, reducing salt concentrations to meet stringent environmental discharge standards. Our system not only ensures compliance but also enables the recovery of valuable water and salt resources, offering a sustainable and cost-effective approach for the textile industry.
With over 200 skilled employees and a strong commitment to innovation, we have developed a plant that integrates advanced membrane separation, evaporation, and crystallization technologies. Whether you are dealing with reactive dye baths or high-TDS effluents, our system is designed to achieve up to 98% water recovery and reduce salt loads to below 500 mg/L, effectively meeting local environmental regulations. The modular design allows for easy scalability and customization, ensuring a perfect fit for your specific production capacity.
Key Features & Technical Specifications
- High Salt Reduction Efficiency: Multi-stage reverse osmosis (RO) combined with electrodialysis reversal (EDR) ensures salt removal rates of 95% or higher, reaching discharge limits as low as 200 µS/cm conductivity.
- Water Recovery Rate: Up to 98% of the wastewater is reclaimed as clean water, suitable for reuse in dyeing processes or cooling systems.
- Zero Liquid Discharge (ZLD) Option: Optional integrated evaporators and crystallizers convert concentrated brine into dry salt solids, eliminating liquid waste completely.
- Energy-Efficient Design: Equipped with variable frequency drives (VFD) and energy recovery devices, our plant consumes 20-30% less energy compared to conventional systems.
- Automated Control: PLC-based control system with remote monitoring capability ensures stable operation and minimal manual intervention.
- Robust Construction: All wetted parts are made of duplex stainless steel or high-grade FRP, resistant to corrosive dyeing chemicals and high temperatures.
- Compact Footprint: Modular skid-mounted design saves floor space and simplifies installation.
| Parameter | Typical Value | Remarks |
|---|---|---|
| Inlet TDS (mg/L) | 5,000 – 50,000 | Adaptable to varying salinity |
| Outlet TDS (mg/L) | < 300 | Meets most environmental standards |
| Water Recovery Rate | ≥ 95% | Optimized for maximum reuse |
| Salt Crystal Purity | ≥ 99% | Reusable in dyeing processes |
| Operating Temperature | 10–50 °C | Automatic adjustment |
| Power Supply | 380V / 50Hz (3-phase) | Customizable for other voltages |
Why Choose Our Recycling Plant?
The textile dyeing industry faces increasing pressure to reduce water consumption and chemical discharge. Our plant directly addresses both challenges:
- Cost Savings: Recycle up to 98% of your wastewater, significantly reducing freshwater intake and effluent treatment costs.
- Salt Recovery: Recovered salt can be reused in the dyeing process, minimizing raw material expenses.
- Compliance Assurance: Effluent quality consistently meets or exceeds local discharge standards, avoiding penalties and shutdowns.
- Environmental Contribution: Reduce your ecological footprint by minimizing saline discharge into rivers and oceans.
- Low Maintenance: Self-cleaning membrane modules and corrosion-resistant materials reduce downtime and service costs.
Our team conducts thorough site assessments and pilot testing to tailor the system to your specific wastewater characteristics. We provide comprehensive training for your operators and offer remote technical support 24/7.
Trusted by Global Clients
Based in Qingdao, Shandong, with convenient access to the port, Qingdao Conqinphi has supplied environmental equipment to markets across North America, South America, Europe, Southeast Asia, Africa, and the Middle East since 2015. Our factory covers 10,000–30,000 square meters and employs over 200 professionals, ensuring robust production capacity and quality control. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, HACCP, TL900, SA8000, and others, reflecting our dedication to quality, safety, and environmental responsibility.
Each recycling plant undergoes rigorous testing before shipment, and our after-sales team provides installation guidance, commissioning, and ongoing maintenance. With an annual export value between USD 10 million and USD 50 million, we have proven reliability and client satisfaction across diverse regions.
Ready to transform your wastewater treatment? Contact us today for a customized proposal and let our expertise help you achieve sustainable, compliant operations.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum salt concentration your plant can handle?
A: Our system is designed for inlet TDS up to 50,000 mg/L. For higher salinity, we offer customized pre-treatment stages. -
Q: Can the plant achieve zero liquid discharge (ZLD)?
A: Yes, we provide an optional ZLD package that includes evaporators and crystallizers to produce dry salt solids and distilled water. -
Q: How much space is required for installation?
A: The footprint depends on capacity. For a 500 m³/day plant, approximately 400–600 m² is needed. Our modular design allows flexible layout. -
Q: What is the typical energy consumption?
A: For a system recovering 500 m³/day, energy consumption ranges from 5–8 kWh per cubic meter of treated water, varying with inlet salinity. -
Q: What maintenance is required?
A: Routine tasks include membrane cleaning every 3–6 months (automated CIP system included) and periodic replacement of filters. Our control system alerts operators when service is needed. -
Q: Do you provide installation and training?
A: Yes, we offer on-site supervision for installation, commissioning, and operator training. Remote support is also available. -
Q: What certifications does the plant meet?
A: The plant is manufactured under ISO9001 and ISO14000 certified processes. Components carry CE marking upon request. Specific environmental compliance is verified via third-party testing. -
Q: What is the warranty period?
A: Our standard warranty is 12 months from commissioning, covering defects in materials and workmanship. Extended warranties are available.
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