Product Brief
Industrial Wastewater Thickening Equipment
The industrial Wastewater thickening equipmentis independently researched and developed by China ENFI, its highest evaporation temperature dose not exceed 85℃, it is a kind of hot desalination equipment that realizes separation of salt and water by using jet type decompression of low pressure steam or using dead steam and other low grade heat source. The equipment and the complete set of processes are widely used in chemical water preparation and thickening treatment of high salt, high calcium and high ammonia-nitrogen wastewater, it can lower the cost and significantly increase the concentration rate of the wastewater from industries of smelting, steel making, iron making, power generation, etc., help enterprises to realize zero-approaching discharge and energy conservation and emission reduction.
Specification & Series：The high salt, high calcium and high ammonia-nitrogen, etc. industrial wastewater of 200m³/d, 500m³/d, 1000m³/d, 2000m³/d can be treated in a modular way, it can also be customized according customer’s actual wastewater volume.
- Processing Capacity：The salt content of the concentrated water at the endpoint of high salt wastewater thickening can be as high as 350g/L, applicable to the treatment of wastewater of high ammonia-nitrogen concentration.
- Application Fields：The ENFI industrial wastewater thickening equipment can widely used in non-ferrous smelter, waste incineration power plant, fossil-fuel power plant, iron and steel works, chemical plant and other enterprises that have low grade heat source and high salt, high calcium and high ammonia-nitrogen wastewater, can provide enterprises with green, energy saving, eco-friendly and high efficiency wastewater treatment schemes to achieve “using waste to treat waste” and “resourcezation of wastewater”.
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enfi.cemsa@gmail.com
Advantages & Features
- It is of simple process flow, good reliability and large flexibility;
- When being used to treat high salt wastewater, it can produce water of high yield and high quality; for high ammonia-nitrogen wastewater, it has high removal rate;
- The operating temperature is lower than 85℃, the equipment has strong corrosion resistance without scaling;
- Its energy consumption is low, has less equipment maintenance, and has low investment cost and low total operating cost;
- It has high extent of informatization, can achieve the automation level of “there is human on duty but no human operating”;
- No sodium salt is introduced, which basically eliminates the new addition of sodium salt to the concentrated water;
Working Principle
The hot desalination principle is to utilizing the coupling of dead steam and other low grade heat resources with wastewater treatment to form the operation mode of “joint production of water and electricity”.
Technical Parameters
| HIGH SALT WASTERWATER | |
|---|---|
| Concentration rate | 5-20 times |
| Conductivity of yielded water | <100μs/cm |
| Steam consumption per ton of water | 0.15~0.4 ton |
| Treatment cost per ton of water | As low as 10 RMB/ton |
| Discarded slag | No heavy metals are introduced into the wastewater treatment, the discarded slag is not hazardous waste. |
| Equipment life | 20 years |
| HIGH AMMONIA-NITROGEN WASTEWATER | |
| Ammonia recovery | 99% and above |
| Ammonia-nitrogen content of discharged water | <15mg/L |
| Hardness of yielded water | <50mg/L |
| Treatment cost per ton of water | 10-30 RMB/ton |
The Application Achievements
Yunnan Chihong project
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