多硫化钙还原高浓度含铬废水实验研究
李喜林,李克新,刘玲,马佳递,于晓婉

Experimental study on reduction of high concentration chromium-containing wastewater by calcium polysulfide
Xilin LI,Kexin LI,Ling LIU,Jiadi MA,Xiaowan YU
表3 pH对Cr(Ⅵ)去除效果的影响
Table 3 The effect of pH on the removal of Cr(Ⅵ)
pH 2.06 2.79 4.03 4.99 5.99 6.95 8.01 9.02
去除率/% 99.93 97.82 94.93 92.35 89.68 87.78 86.14 84.6