再生水水质因素对铸铁管道的腐蚀研究

贾世超, 高佳祺, 郭浩, 王超, 陈杨杨, 李旗, 田一梅

Influence of Water Quality on Corrosion of Cast Iron Pipe in Reclaimed Water

JIA Shichao, GAO Jiaqi, GUO Hao, WANG Chao, CHEN Yangyang, LI Qi, TIAN Yimei

表6 Warburg阻抗影响因素的极差分析计算

Table 6 Range analysis results of effect of Warburg impedance

Group ID Total hardness (CaCO3·mg·L-1) SO42-mg·L-1 Cl-mg·L-1 pH W-R 1 100 50 150 6 177.5 2 100 150 200 7.5 170.3 3 100 250 250 9 194.2 4 200 50 200 9 247.1 5 200 150 250 6 158.5 6 200 250 150 7.5 173.9 7 300 50 250 7.5 215.1 8 300 150 150 9 265.4 9 300 250 200 6 183.5 K1 542.1 640 616.9 519.4 --- K2 579.5 593.8 600.9 559.1 --- K3 664 551.8 567.8 707.1 --- k1 180.7 213.33 205.63 173.13 --- k2 193.17 197.93 200.3 186.37 --- k3 221.33 183.93 189.27 235.7 --- Range 40.63 29.4 16.37 62.57 ---