Methanogenic archaea and sulfate reducing bacteria induce severe corrosion of steel pipelines after hydrostatic testing
Enze Zhoua,b, Jianjun Wangb,a, Masoumeh Moradia,b, Huabing Lia,*(), Dake Xua,b,**(), Yuntian Louc, Jinheng Luod, Lifeng Lid, Yulei Wange, Zhenguo Yangf, Fuhui Wanga,b, Jessica A. Smithg

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Fig. 2.. FESEM images of X52 steel surfaces after (a) exposing to LW for 14 days, (b) exposing to LW for 30 days, (c) exposing to GW for 14 days, (d) exposing to GW for 30 days, (e) removal of the biofilm from coupons exposed to LW for 14 days, and (f) removal of the biofilm from coupons exposed to LW for 30 days.