Simultaneously Recovering High-Purity Chromium and Removing Organic Pollutants from Tannery Effluent

Figure 4

The impact on flocculant treatment with the change of reaction conditions (the combination of PAC and PAM represented, resp., in (e): (1) 0.7 and 0.7 mL, (2) 1 and 0.5 mL, (3) 0.5 and 1 mL, (4) 1.2 and 0.4 mL, and (5) 0.4 and 1.2 mL).

(a)

(b)

(c)

(d)

(e)