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Qingdao Conqinphi Environmental Technology Group Co., Ltd., established in 2015, is a specialized manufacturer with a 10,000–30,000 m² factory and over 200 skilled employees. Our Energy-Saving Zero-Discharge High-Salt Wastewater Treatment Plant is designed to tackle the toughest brine challenges while recovering valuable water resources. With a compact 5kW power input (220V/50Hz), this system offers low operating costs and complete environmental compliance — helping your facility achieve true zero liquid discharge (ZLD).
This plant integrates advanced mechanical vapor recompression (MVR) technology to concentrate high-salt wastewater efficiently. It reduces energy consumption by up to 60% compared to traditional thermal evaporators, while producing high-purity distilled water and dry solid salt that can be reused or safely disposed. Whether you are treating brine from desalination, chemical processing, or pharmaceutical manufacturing, this solution ensures reliable operation and minimal maintenance.
Key Features & Technical Specifications
- Energy-Saving MVR Technology: Uses a mechanical compressor to recycle latent heat — energy consumption is only 20–30 kWh per ton of water treated.
- Zero Liquid Discharge: All wastewater is converted into clean distillate (TDS
- Automatic PLC Control: Touchscreen interface with remote monitoring capabilities, reducing manual intervention.
- Corrosion-Resistant Materials: Main components made of SS316L or higher-grade alloys for long service life in saline environments.
- Compact Footprint: Skid-mounted design saves floor space and simplifies installation.
- Wide Salt Tolerance: Handles inlet TDS up to 200,000 mg/L and produces effluent meeting reuse standards.
| Parameter | Specification |
|---|---|
| Power Supply | 220V ±10%, 50Hz, 3-phase |
| Rated Power | 5 kW (main compressor + pumps) |
| Treatment Capacity | Customizable from 0.5 to 10 tons/day |
| Recovery Rate | ≥ 95% (as distilled water) |
| Salt Crystal Purity | ≥ 99% (dry, free-flowing) |
| Operating Temperature | 60–90°C (adjustable) |
| Noise Level | |
| Certifications | ISO9001, ISO14000, OHSAS18001 |
Customer Benefits
- Lower Operating Costs: 50–70% less electricity than conventional evaporation; no chemical additives needed.
- Regulatory Compliance: Meets strict zero-discharge regulations worldwide, avoiding fines and environmental penalties.
- Water Reuse: Produced distillate can be recycled back to processes or used for cooling, reducing freshwater demand.
- Simplified Waste Disposal: Dry salt is easy to handle, transport, and can even be sold as a byproduct (e.g., sodium sulfate).
- Minimal Downtime: Auto-cleaning and anti-fouling design extend operational life; 24/7 remote support available.
Our factory in Qingdao, China spans 10,000–30,000 m² and exports to over 20 countries with an annual export value of US$10–50 million. We have delivered hundreds of ZLD systems to clients in North America, South America, Europe, the Middle East, and Southeast Asia. Each unit is backed by rigorous quality control (ISO9001 certified) and a dedicated after-sales team. Choose Conqinphi for a proven, energy-efficient path to zero discharge — contact us today for a customized proposal and free consultation.
Frequently Asked Questions
Q1: What types of high-salt wastewater can this plant treat?
A: It is suitable for brine from reverse osmosis, chemical manufacturing, pharmaceutical processes, oil & gas produced water, and food processing with TDS up to 200,000 mg/L. Please provide a water analysis for a customized design.
Q2: Is the system fully automatic?
A: Yes, it features a PLC-based automatic control system with touchscreen HMI. It can operate unattended with alarm functions and remote monitoring optional.
Q3: What is the typical payback period?
A: Depending on local electricity costs, water tariffs, and disposal fees, payback is usually between 1–3 years due to energy savings and water reuse benefits.
Q4: Do you provide installation and commissioning?
A: Yes, we offer on-site supervision or training. Our technical team can guide your engineers through installation, startup, and maintenance.
Q5: What maintenance is required?
A: Periodic cleaning of heat exchangers (depending on water quality) and routine inspection of seals and valves. We supply a maintenance manual and spare parts kit.
Q6: Can the plant handle varying flow rates?
A: Yes, the system is designed to operate efficiently at 30–110% of nominal capacity. An equalization tank can be added for highly variable flows.
Q7: Which certifications does your factory hold?
A: Our production line is certified to ISO9001, ISO14000, and OHSAS18001. Specific product certifications can be arranged upon request for your target market.
Q8: What is the warranty period?
A: Standard warranty is one year against manufacturing defects. Extended warranties and performance guarantees are available as an option.
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