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Dissolved Air Flotation Suppliers, Saudi Arabia

Covers DAF systems that use micro-bubbles to float suspended solids, oils, greases, and other low-density contaminants to the surface for removal. DAF is a workhorse technology in GCC food-processing, petrochemical, and oilfield wastewater applications. Procurement managers evaluate hydraulic loading rate, solids capture efficiency, and saturation system design when sourcing units.

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Dissolved air flotation (DAF) is a proven separation technology widely used in the UAE and Saudi Arabia to remove oils, fats, greases, suspended solids, and even algae from wastewater and process water. By dissolving air into water under pressure and then releasing it at atmospheric pressure, DAF units generate clouds of micro-bubbles (30-100 microns) that attach to contaminant particles and float them to the surface, where a skimmer removes the concentrated sludge blanket.

Applications across the GCC include pre-treatment of oilfield produced water, food and beverage plant effluent, poultry and dairy processing wastewater, petrochemical plant stormwater, and laundry wastewater. Suppliers on this platform offer rectangular and circular DAF units in steel or stainless-steel construction, with capacities from a few cubic metres per hour for small food outlets to several hundred cubic metres per hour for large industrial plants.

Key selection criteria include surface loading rate, float solids concentration, polymer and coagulant dosing requirements, and the design of the pressurisation and recycle system. In the Gulf climate, stainless-steel wetted parts and corrosion-resistant coatings are important for longevity. Procurement professionals should request pilot-test data with actual site wastewater samples before committing to full-scale equipment. Browse the directory below for DAF system manufacturers and process specialists active in the Gulf region.

Frequently Asked Questions β€” Dissolved Air Flotation

What contaminants can a DAF system remove?
DAF is effective at removing suspended solids, free and emulsified oils, fats and greases, colloidal matter, fibres, and algae. With appropriate coagulant or polymer dosing upstream, DAF can also remove phosphorus and some heavy metals. Typical oil and grease removal rates exceed 90 percent.
How does DAF compare to a conventional oil-water separator?
Gravity-based oil-water separators (API or CPI types) remove free oil but struggle with emulsified oil and fine suspended solids. DAF achieves much higher removal efficiency for emulsified oils and TSS because micro-bubbles provide a far greater surface area for particle attachment and flotation.
What chemicals are used with a DAF system?
Coagulants such as polyaluminium chloride (PAC) or ferric chloride are typically dosed upstream to destabilise colloidal particles, followed by a polymer flocculant to form larger flocs. Chemical selection and dosing rates are determined by jar testing with actual wastewater. Some food-industry applications require food-grade coagulants.
Dissolved Air Flotation β€” Top Suppliers Across Saudi Arabia | ListGCC