The Use of Clay-Polymer Nanocomposites in Wastewater Pretreatment

Figure 4

Relative light attenuation of winery effluents as a function of time, upon addition of 0.1% alum, 0.1% poly-DADMAC/sepiolite nanocomposite, and the equivalent amounts of sepiolite (clay) or poly-DADMAC (polymer) separately.