| Customization: | Available |
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| Type: | Flotation Machine |
| Method: | Chemical Treatment |
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DAF System and Dissolved Air Flotation for Waste Water Treatmment
DAF System Introduction
Dissolved Air Flotation is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids.
The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air atmospheric pressure in a flotation tank basin.
The released air forms tiny bubbles which adhere to the suspended matter causing the suspended matter to float to the surface of the water where it may then be removed by a skimming device.
Dissolved Air Flotation Working ProcessThe wastewater enter RT1 (coagulation reaction tank) and RT2 (flocculation reaction tank) from the equalization tank through the lift pump, and coagulates with PAC, floculates with (PAM) respectively form the flocs.
Then the wastewater and dissolved water enter the reaction zone of the DAF tank, and the microbubbles and flocs in the dissolved water are mixed and adhered to form solid particles ,which the density less than water, and float up to the surface of the DAF tank .
Under the action of buoyancy, scum is scraped to the slag tank. The clean water is collected down to the collect tank through the water collecting pipe, and most of the outer water is discharged (or into the next process), and a small part of the water is recirculated to form the dissolved water.
DAF System Details
Advantages
1. High efficiency dissloved air system efficiency reaches at least 95%
2. Liquid level controlling for automatic slagging scum mosture content less than 98%
3. Non-clogging, easy maintenance
4. Stable treatment efficiency, automatic control, unattended operation
5. Small footprint, high effluent quality, low investment.
Specification of DAF System
How to select right model?
Wastewater type ( dairy wastewater , car washing wastewater ,slaughter house wastewater, food wastewater , river water …..)
SS content (ppm or mg/L)
Oil & Grease &Fat & FOG content (ppm or mg/L )
PH (6~9 is preferred . Otherwise consider PH adjust tank before DAF tank , also have to consider the material of the DAF because of Corrosive substance )
BOD (ppm or mg/L)
COD (ppm or mg/L)
Application of DAF System
Municipal Sewage
Slaughter House
Metallurgical Industry Wastewater
Spraying Sewage
Printing & Dyeing Sewage
Metal-Processing Sewage
Mining Stone Wastewater
Electronic Sewage
Project for Reference
Company Profile
Shanghai Ecopro Environmental Engineering Co.,Ltd. the flagship company, focus on one-stop water & wastewater treatment equipments and separation service environment, as a professional environmental engineering, since its inception, we always adhere to the spirit of craftsmanship, to provide the industry with equipments and services and systematic solutions, product include static screen, rotary drum screen, lamella clarifier system, dissolved air flotation, electrochemistry system, screw press, wave separator, filter press, sludge dryer, Mutag BioChip 30TM, vibratory shear enhanced membrane system, sodium hypochlorite generator, ozone generator, integrated dissolved air system, integratedscrew press system, MBBR system, intergrated sewage treatment machine, static mixer, screw conveyor, roots blower, sand filter, enamel assembled tank, sand separator, sludge scraper and different kinds of pumps and so on.
Contact Information
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