Figure 4
From: Remediation of chromium-slag leakage with electricity cogeneration via a urea-Cr(VI) cell
Amount of Cr(VI) in the leakage for different slag samples in the leaching procedure.
(5 g samples, flow rate of 9.5 mL/h, equal to the level of storm rain, H2SO4 with a pH value of 4.5.).
