Methanogenic archaea and sulfate reducing bacteria induce severe corrosion of steel pipelines after hydrostatic testing

Enze Zhou, Jianjun Wang, Masoumeh Moradi, Huabing Li, Dake Xu, Yuntian Lou, Jinheng Luo, Lifeng Li, Yulei Wang, Zhenguo Yang, Fuhui Wang, Jessica A. Smith

Table 1 Chemical composition of groundwater (GW) and untreated lake water (LW) used in this study.

Composition Groundwater (GW) Lake water (LW) Nitrate mg/L 0.030 0.036 Fluoride mg/L 0.347 0.437 Sulfate mg/L 44.4 236 Chloride mg/L 84.0 0.09 Phosphate mg/L 1.19 0.899 Cadmium (Cd) μg/L <0.05 5.2 Iron (Fe) μg/L 12.2 4.4 × 104 Manganese (Mn) μg/L 2.3 95.6 Lead (Pb) μg/L 1.1 <0.09 Copper (Cu) μg/L 2.2 1.65 Zinc (Zn) μg/L 1.6 0.93 Molybdenum (Mo) μg/L 0.436 65.3 Aluminum (Al) μg/L 36.1 3.42