Wash deinking

Newsprint wash deinking mili Office paper deinking mili Newsprint/magazine deinking mill Tissue mill Old corrugated container mill... 

The optimum surfactant hydrophi1ic 1ipophi1ic balance (HLB) for wash deinking is dependent on ink composition. Surfactants with a HLB of about 14.5 provide the highest deinked newsprint brightness (24). The optimum deinking surfactant HLB for ledger inks is 13—14, whereas that for toner inks is 10-11 (25). 

Typical papers processed using wash deinking are 100% old newspaper and sorted office paper from which toner ink-printed paper has been removed. The effluent from washers is heavily laden with ink, mineral coating and filler particles, and small cellulose fibers. As a result, it can be difficult to clarify. 

Wash deinking often used for flexo-printed waste and in older tissue mills, large water consumption. Flotation deinking for oil-based printings such as offset and rotogravure, technology from the mining industry. 

The ink particles are then removed by either washing or flotation. The simplest form is wash deinking which consists of sequentially dewatering several times. The washing process will normally improve the brightness of the stock if the print particles which are present are in the size range 1-10 /an in diameter. 

Uses Pulp/paper surfactant wash deinking agent used in wash stage of combination systems low foam and low toxicity aids flotation stage Properties Liq. 

Uses Pulp/paper surfactant wash deinking agent... 

Uses Wash deinking agent for making tissue from recycled mixed office waste Regulatory OSHA hazardous DOT nonregulated SARA 302/304 extreme hazard (residual EO 0.001%, PO 0.001%), 311 acute hazard CERCLA 102(a) hazard (glycol ethers 3-9.99%, EO 0.001%, PO 0.001%)... 

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