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目前,有关硫酸盐还原菌(SRB)对浓缩海水介质中铜合金的腐蚀影响未见报道.利用电化学测试技术和表面分析手段研究了2倍浓缩海水中SRB对H70铜合金表面腐蚀的电化学特征和成膜情况,探讨了SRB对H70铜合金腐蚀行为的影响.结果表明:与无菌体系相比,2倍浓缩海水中SRB的存在加速了H70铜合金的腐蚀;H70铜合金表面形成了SRB、SRB代谢产物与腐蚀产物硫铜化合物为主的混合膜层,膜层中SRB菌落不均匀分布加深了生物膜下H70铜合金的非均匀腐蚀.

参考文献

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