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2 不同反应时间下Cr（Ⅵ）的去除率

Table 2 The removal rate of Cr(Ⅵ) under different reaction time

反应时间/min 10 20 30 60 90 120 240 360 去除率/% 74.6 83.53 89.1 95.25 98.75 99.43 99.84 99.85