研究了W11-4油田A平台排海污水中H2S、钢桩上附着生物 状 态以及白色沉积物对平台海域钢结构设施腐蚀与防护的影响，测定了H2S的浓度、分布以 及含H2S海水的腐蚀特征，研究了各种附着生物和白色沉积物的状态及组成.结果表明，H 2S主要集中在海面海流下方区域，并与海水流速密切相关，最大可能H2S浓度低于19 mg /L；白色沉积物为附着生物受硫化氢影响的生理分泌物，海水中的H2S及白色生理分泌物 对平台钢结构设施的腐蚀过程没有影响.
In order to understand the effects of hydrogen sulf ide and white deposit in discharged waste water from oil platform on the corrosi on and protection of the steel structure of W11-4 oil platform,a study was made by collecting the water samples,analyzing the concentration and distribution of hydrogen sulfide in the samples and the composition of the white deposit in the sea around the platform,and investigating its impact on the corrosion behavior o f carbon steel.The results indicate that hydrogen sulfide mainly concentrates in the region of the sea near the surface,with a maximum of 19 mg/L,and its concen t ration greatly depends on the sea flow.The white deposit is the secretion from t he attached marine organisms on the platform structure.It is also clarified that hydrogen sulfide and white deposit have no impact on the corrosion and protecti on of the steel structure of the oil platform.
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