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Treatment of wastewater from water-based paints industry

Šmídová D., Mikulášek P., Skoupil J.

Environment Protection Engineering

2005

Vol. 31, nr 3-4

135-144

The possibilities of treating wastewater from water-based paint industry were examined. Microfiltration was used as separation process for removing the solid particles from water. Three commercially produced paints (AQUAREX, AQUACOL MAT and FORTELUX AQUA) were tested. Experiments were performed on tubular ceramic membranes made from a-Al2O3 whose mean size of pores reached 0.1 mm. The results of the experiments show that the cross-flow microfiltration is a suitable process for the treatment of wastewater from paint industry. The COD of permeates approached 2000 mg×dm-3.