SeVAMI® DAF

Dissolved Air Floatation (DAF) involves a process of separating oils and solid particles from water by attaching the oils and solids to micro air bubbles to decrease the density of the particles causing them to float. Flotation is the ideal process for separation of lesser dense/ lighter impurities which includes Oil, Grease, Fats that have tendency to float to the water surface. Such solids would either sediment very slowly or would remain suspended. The process of rising solids is known as. The froth is skimmed off the surface and further processed in the sludge treatment.

SeVAMI® -DAF system is specially designed to maintain excellent laminar flow conditions, and especially designed for the removal/recovery of solids, fats, oil, grease from wastewater and process water & paper mill applications.

Key features

  • Compact rectangular construction
  • MS, EP or SS 304 construction
  • Excellent oil, grease and fat removal efficiency
  • Simple Operation without air pressure vessel
  • Custom Models for Primary & Secondary application
  • Wide Flow Range from 5m3/hr to 500m3/hr !
  • Ready-to-use assembly

Technical Specification

Parameter

Details

Operation

Simple and user-friendly operation

Material of Construction

MSEP/MSFRP/SS 304 construction

Design

Compact rectangular construction

Model Options

Different models available for Primary and Secondary applications

Flow Range

Suitable for a wide range of flow capacities

Cost Efficiency

Cost-effective solution

Assembly

Assembly

Installation

Simple installation on column structure

Loading Rate

High loading rate capability

Sludge Product

Produces very thick sludge product

Dewatering

Float can be dewatered without intermediate thickening

Polymer Requirement

Often no polymer required; coagulant dosage may be reduced

Footprint

Smaller footprint compared to conventional flocculation and gravity sedimentation

Excellent oil, grease, and fat removal efficiency

Excellent oil, grease, and fat removal efficiency

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