Figure 5

Effects of aeration on the (A) Fe, (B) Mg, (C) Zn, and (D) Cu in AD effluent with the addition of activated or anaerobic sludge.
Effects of aeration on the (A) Fe, (B) Mg, (C) Zn, and (D) Cu in AD effluent with the addition of activated or anaerobic sludge.