Effect of DEHP on SCFA Production by Anaerobic Fermentation of Waste Activated Sludge

Figure 2

Soluble substances’ concentration in 5 days of fermentation time measured in the fermentation reactors with alkaline pretreatment in the presence of different DEHP contents. (a) Soluble COD; (b) soluble proteins; and (c) soluble polysaccharide. Error bars represent standard deviations of triplicate tests.

(a)

(b)

(c)