dissolved air flotation

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dissolved air flotation

[də′zälvd ‚er flō′tā·shən]
(chemical engineering)
A liquid-solid separation process wherein the main mechanism of suspended-solids removal is the change of apparent specific gravity of those suspended solids in relation to that of the suspending liquid by the attachment of small gas bubbles formed by the release of dissolved gas to the solids. Also known as air flotation.
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References in periodicals archive ?
Tenders are invited for Mechanical Job For New Daf Unit At Etp Of Mathura Refinery.
The next stage of the DAF unit to be explained is called the separation zone.
The DAF unit will then be available for relocation, possibly on the new facility or elsewhere within the company as required.
2 to 2 mm as they interacted with ink in model solutions and dispersions in a stationary bubble facility and a bubble suspending facility designed to model the flow in a DAF unit.
BAMM(TM) provides lower operating costs, uses 40 percent fewer chemicals, creates dryer solids and occupies one-tenth the footprint of a comparable DAF unit.
The DAF unit has helped to significantly reduce loading on the effluent plant.
Micromac's DAF unit injects a coagulant and flocculant into the effluent stream in order to coagulate the particles.
Designed and manufactured in the UK, the DAF unit is designed to clarify liquids that are high in contaminants.
Micromac's DAF unit injects flocculants into the effluent stream in order to coagulate the particles.
The DAF unit is fantastic--it achieves over 95 percent reductions in suspended solids, fats, oils and greases, and it is totally reliable in its operation.
Addressing a broad range of industrial applications from bakeries and dairies through to breweries, Micromac's new batch DAF unit offers significant operational cost savings whilst adhering to the most stringent effluent discharge quality regulations.
The Micromac DAF unit is designed to meet the filtration and clarification needs of small and medium-sized UK industrial users," explains Steve Hawes, technical director at Micromac Filtration.