ShipBallast DAF System for Ballast Water Treatment

Dissolved air flotation description

DAF systems are widely recognized for their ability to mitigate issues related to sedimentation and gravity thickening methods. Unlike traditional methods, which often rely heavily on the weight of solids to facilitate separation, dissolved-air flotation relies on the buoyancy provided by air bubbles. This shift in mechanism results in enhanced removal efficiencies, especially in low-density or finely suspended particles. Consequently, DAF has emerged as a preferred choice across various industries, particularly where space is limited or where rapid treatment times are necessary.

Dissolved air flotation principle

A typical dissolved-air flotation system comprises several integral components, each playing a crucial role in the overall functioning of the process. Key components include:
Flotation Tank: This is the primary vessel where the separation process occurs. It is designed to promote the coalescence of bubbles and suspended solids.
Air Saturation System: This consists of pumps and pressurization equipment that infuse the wastewater with dissolved air.
Sludge Removal Mechanism: Often designed as a skimmer, this component collects the thickened sludge that rises to the surface.
Effluent Collection System: A series of troughs or piping that ensures the treated water is channeled away from the system for further processing or discharge.
Control System: This consists of monitoring and control devices for regulating flow rates, pressure levels, and chemical dosing to ensure optimal operation.

Dissolved air flotation technical sheet

Dissolved air flotation process flow

Dissolved air flotation advantage

Improved Water Quality
Greater turbidity reduction
Discharge compliance
Greater treatment flexibility
Reduced chemical consumption
Operational Advantages
Small footprint
Zero backwash
Improved product quality
Simple and easy operation
Reduced downtime and operational cost

Dissolved air flotation feature

The environmental impact of DAF systems is generally positive, particularly in minimizing water pollution. By enabling the removal of over 90% of harmful components from industrial effluents, DAF systems contribute to cleaner water bodies and reduced environmental pollution. Moreover, reduced chemical usage and advancements in energy-efficient designs further enhance the sustainability of DAF technology.

Dissolved air flotation application

Wastewater Treatment
Desalination
Process Water Production
Drinking Water Intake
Offshore Produced Water
Onshore Produced Water
Pulp and Paper Plan

Contact Us for a Consultation

• Company: Wuxi Dajiang Environmental Technology Co., Ltd.  DAGYEE
• Phone/WhatsApp:+8613961861780
• Email: info@dagyee.com
• Website: www.dagyee.com