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

Figure 4

EEM spectra of extracellular polymers. (a) S-EPS: control; (b) S-EPS: DEHP: 20 ppm; (c) S-EPS: DEHP: 50 ppm; (d) S-EPS: DEHP: 100 ppm; (e) LB-EPS: control; (f) LB-EPS: DEHP: 20 ppm; (g) LB-EPS: DEHP: 50 ppm; (h) LB-EPS: DEHP: 100 ppm; (i) TB-EPS: control; (j) TB-EPS: DEHP: 20 ppm; (k) TB-EPS: DEHP: 50 ppm; and (l) TB-EPS: DEHP: 100 ppm.

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