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From Qingdao Conqinphi Environmental Technology Group Co., Ltd. (est. 2015), we present our Industrial Wastewater Treatment Equipment for High Salt, Ammonia Nitrogen & COD – a comprehensive solution engineered to tackle the most challenging industrial effluents. Our factory, spanning 10,000–30,000 square meters, and a dedicated team of 201–300 employees ensure rigorous quality control and continuous innovation. This equipment is designed to efficiently remove high salinity (up to 15% TDS), elevated ammonia nitrogen (up to 5000 mg/L), and high COD (up to 50,000 mg/L) from complex wastewater streams, enabling compliance with stringent discharge standards and promoting water reuse.
The system integrates advanced pretreatment, biological treatment, membrane separation, and optional zero liquid discharge (ZLD) modules, making it ideal for industries such as chemical manufacturing, pharmaceutical production, textile dyeing, food processing, and landfill leachate treatment. With an annual export value exceeding US$10 million, our equipment has been successfully deployed across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and the Middle East, earning trust from global clients.
Key Features & Technical Specifications
- Multi-stage Treatment Train: Includes pH adjustment, coagulation/flocculation, anaerobic/aerobic biological treatment (MBBR, MBR), and membrane filtration (RO, NF).
- High Salt Tolerance: Specially designed halophilic bacteria and membrane systems capable of handling TDS up to 150,000 ppm.
- Ammonia Nitrogen Removal Efficiency: Up to 99% via nitrification-denitrification or breakpoint chlorination.
- COD Reduction: Biological + advanced oxidation (Fenton, ozonation) achieve >95% removal.
- Zero Liquid Discharge (ZLD) Option: Evaporator + crystallizer for complete water recovery and solid salt recovery.
- Automation & Control: PLC-based system with remote monitoring, ensuring stable operation with minimal manual intervention.
- Energy Efficiency: Low energy consumption due to optimized pump selection and heat recovery.
- Customizable Footprint: Skid-mounted or modular construction for easy installation and scalability.
Performance Parameters (Typical)
| Parameter | Influent Range | Effluent (After Treatment) |
|---|---|---|
| Total Dissolved Solids (TDS) | 5,000 – 150,000 mg/L | |
| Ammonia Nitrogen (NH₃-N) | 500 – 5,000 mg/L | |
| Chemical Oxygen Demand (COD) | 2,000 – 50,000 mg/L | |
| pH | 2 – 12 | 6 – 9 |
| Flow Rate | 1 – 500 m³/h | Customizable |
Advantages for Your Business
- Regulatory Compliance: Our equipment helps you meet local environmental discharge norms (e.g., EPA, EU, Chinese standards).
- Water Reuse: Treated water can be reclaimed for process use, reducing freshwater consumption by up to 95%.
- Lower Operational Cost: Efficient biological treatment reduces chemical dosage, and heat recovery minimizes energy expenses.
- Long Service Life: High-quality materials (SS304/316L, corrosion-resistant coatings) ensure durability in harsh conditions.
- Minimal Sludge Production: Advanced biofilm technology reduces sludge volume by 30–50% compared to conventional activated sludge.
- Expert Support: We provide comprehensive commissioning, training, and after-sales service through our global network.
Trusted by Global Clients
As a certified manufacturer with ISO9001, ISO14000, OHSAS18001, and other management system certifications, Qingdao Conqinphi Environmental Technology Group Co., Ltd. delivers reliable solutions backed by years of R&D and field experience. Our annual export value of US$10 million – US$50 million demonstrates strong market acceptance. With a factory size of 10,000–30,000 m² and a skilled workforce of 201–300 people, we are capable of producing multiple units simultaneously while maintaining strict quality control. We ship from Qingdao Port, ensuring fast delivery to clients worldwide. Whether you need a standard unit or a fully customized system, we are ready to help you achieve sustainable wastewater management.
Frequently Asked Questions (FAQ)
- What is the maximum salinity level your equipment can handle? Our standard design can handle TDS up to 150,000 mg/L. For higher salinity, we offer evaporation + crystallization (ZLD) modules that can handle saturated brines.
- Can this equipment treat wastewater containing oil and grease? Yes, we include an oil-water separator and dissolved air flotation (DAF) as pretreatment options to remove free oils and emulsified grease before biological treatment.
- What is the typical delivery time? For standard models (skid-mounted), delivery is within 30–45 days after order confirmation. Custom-built systems may take 60–90 days depending on complexity.
- Do you provide installation and commissioning services? Yes, we offer on-site installation supervision and commissioning by our experienced engineers. Training for your operators is also included.
- Is the equipment suitable for small-scale factories? Absolutely. We have compact designs starting from 1 m³/h that are perfect for small to medium enterprises. Modular expansion is also possible as your capacity grows.
- What is the warranty period? Our standard warranty is 12 months from commissioning, covering defects in materials and workmanship. Extended warranty plans are available upon request.
- How do you handle sludge disposal? We design the system to minimize sludge generation. The sludge produced can be dewatered using a filter press, and we can recommend options for safe disposal or reuse (e.g., as fertilizer if non-toxic).
- Can I get a sample or pilot test before purchasing? Yes, we offer a laboratory-scale pilot unit for on-site testing. We also have a mobile pilot trailer that can be sent to your site to verify treatment performance.
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