Paper mills: historically paper mills represent one of the first applications of dissolved air floatation systems. mitadaf floatation units are employed in paper-works for two different applications. The principal usage it’s a unit of the production process itself: mitadaf allows the user to recover most of the paper fibres which constitute the raw material and which would otherwise be lost in the washing water of the sheets. http://www.ysle-et.com/shallow....-dissolved-air-flota