Sulphute Reduction Bacteria (SRB) play a important rate in the corrosion of steels in sea bottom sediments, in which the content of SRB will affect the corrosion rate of steels. An investigation of SRB content and the...Sulphute Reduction Bacteria (SRB) play a important rate in the corrosion of steels in sea bottom sediments, in which the content of SRB will affect the corrosion rate of steels. An investigation of SRB content and the corrosion rates of steels in the sea bottom sediments of liaodong Bay and Yellow River Mouth area was conducted in this paper.展开更多
This in situ corrosion study of steel in sea bottom sediment by the "Plate TransplantingBurying Method" (MD method ) showed that the corrosion rate of steel in sea bottom sediment with sulfur reduction bacte...This in situ corrosion study of steel in sea bottom sediment by the "Plate TransplantingBurying Method" (MD method ) showed that the corrosion rate of steel in sea bottom sediment with sulfur reduction bacteria (SRB) can be as high as ten times that in sea bottom sediment without SRB . The ex-periments in simulating sea bottom sediments with different concentrations of cultured SRB showed that theelectrochemical polarization behaviour of steel in sea bottom sediment with and without SRB were differ-ent SRB altered the polarization behaviour of steel significantly by acididfying the environment so that ap-parent hydrogen depolarization occurred and accelerated the corrosion of steel.展开更多
文摘Sulphute Reduction Bacteria (SRB) play a important rate in the corrosion of steels in sea bottom sediments, in which the content of SRB will affect the corrosion rate of steels. An investigation of SRB content and the corrosion rates of steels in the sea bottom sediments of liaodong Bay and Yellow River Mouth area was conducted in this paper.
文摘This in situ corrosion study of steel in sea bottom sediment by the "Plate TransplantingBurying Method" (MD method ) showed that the corrosion rate of steel in sea bottom sediment with sulfur reduction bacteria (SRB) can be as high as ten times that in sea bottom sediment without SRB . The ex-periments in simulating sea bottom sediments with different concentrations of cultured SRB showed that theelectrochemical polarization behaviour of steel in sea bottom sediment with and without SRB were differ-ent SRB altered the polarization behaviour of steel significantly by acididfying the environment so that ap-parent hydrogen depolarization occurred and accelerated the corrosion of steel.