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5m³/H - 300m³/H Water Purification System DAF Dissolved Air Flotation Water Filtration System
Product Overview
The Dissolved Air Flotation (DAF) Water Filtration System is a high-efficiency water clarification unit designed to remove suspended solids, oils, greases, algae, and other impurities from raw water or wastewater. By utilizing microscopic air bubbles to float fine particles to the surface, the DAF system achieves superior solid-liquid separation efficiency compared to traditional sedimentation.
This system is widely applied in industrial wastewater treatment, drinking water clarification, and pretreatment for membrane filtration systems. It features compact structure, automatic operation, and stable performance.
Working Principle
The DAF system operates on the principle of air flotation. Water is first saturated with air under high pressure in a dissolved air tank. When released into the flotation tank at atmospheric pressure, the dissolved air forms tiny microbubbles (30-50 μm) that attach to suspended particles.
These air-particle aggregates float to the water surface, forming a scum layer that is continuously removed by a surface skimmer. The clarified water flows out through the bottom outlet, while the sludge is discharged for further treatment. The process can be enhanced by adding coagulants and flocculants upstream.
Main Components
Flotation Tank – Made of carbon steel, stainless steel, or FRP with corrosion-resistant coating
Air Dissolving System – Includes an air compressor, dissolved air tank, and release nozzles
Recycling Pump – Pressurizes the recycled water to dissolve air efficiently
Chemical Dosing System – Optional coagulant/flocculant dosing unit to enhance flotation
PLC + touchscreen control system with automatic data logging
Chemical dosing system (PAC, PAM, or polymer)
Dissolved air tank capacity customization
Air compressor and recycling pump from selected international brands
Skid-mounted or containerized unit for easy transportation
Combined DAF + sedimentation or DAF + filtration integrated unit
Online monitoring for SS, turbidity, and pH
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2006
Total Annual:
70200000-140400000
Employee Number:
1000~2000
Ecer Certification：
Verified Supplier
Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment... Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment...
