Bubble Foam Purification of Water

FIGURE 1.56 Bubble foam separation method for wastewater purification. 

Bubbles are blown into the inverted funnel. Inside the funnel the bubble film is transported away and collected. Since the bubble film consists of 

In the shale fracking process, the wastewater is treated to remove pollutants (Knaus et al., 2010 Yethiraj and Striolo, 2013). The bubble foam separation can be of importance in this process. 

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